ScopeCorders

An integrated measurement system for every electromechanical application

Faced with complex integrated systems, engineers need a sophisticated, flexible measurement solution for R&D, validation, and troubleshooting. ScopeCorders meet this challenge with built-in analysis and recording functions in an all-in-one data acquisition solution.

Designed for engineering insights, Yokogawa ScopeCorders are:

  • Integrated: Automate your measurements and analysis by making menu selections - no programming required.
  • Configurable: Simultaneously capture data from any of 20 different modules.
  • High Fidelity: Trustworthy measurements even in the noisiest environments.
  • An all-in-one electromechanical measurement system offering the deepest measurement and analysis features to turn data into insights.

  • A compact, battery-powered, touch screen instrument you can take into the field featuring the deep measurement and recording capabilities you need in the lab.

  • A headless ScopeCorder system capable of connecting multiple chassis into one PC-based system.

     

  DL350 Scopecorder DL850E/DL850EV Scopecorder SL1000 High Speed DAQ
 
Instrument Control Standalone Standalone or PC-Based PC-Based
Analog Channels Max 8 isolated CH Max 32 isolated CH Max 128 isolated CH
Sampling Rate Max 100 MSamples/sec Max 100 MSamples/sec Max 100 MSamples/sec
Vertical Resolution Max 16 Bits Max 16 Bits Max 16 Bits
Input Modules Voltage, Temp, Strain, Accelerometer, Frequency - Supports 18 modules Voltage, Temp, Strain, Accelerometer, Frequency - Supports 20 modules Voltage, Temp, Strain, Accelerometer, Frequency - Supports 13 modules
CAN/LIN Bus Input /VE option is required DL850EV model only Not available
Trigger Functions Rise/Fall and Enhanced Scope settings on all channels Rise/Fall and Enhanced Scope settings on all channels Rise/Fall on all channels
Internal Record Length Max 100 Mpts/Module Max 2 Gpts/ch Max 50 Mpts/ch
Real-time Data Streaming Available to SD memory card Available to PC, Internal HDD and External HDD Available to PC and Internal HDD
Real-time Analysis Functions Not available Real-time math and Power math
(/G3, /G5 Option)
Not available
Touch screen Available Not available Not available
Battery powerd operation Available(Option) Not available Not available
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Testing actuation of a side impact airbag to measure the optimal timing.

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Using the OR trigger and Dual Capture, it is easy to trap and record failure conditions on electrical harnessses (wiring interconnects) over a long duration test.

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How to use built-in calculations to analyze motor rotor position and find the relative angle between the rotor and sensors such as encoders or resolvers.

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Construction and verification of SENT communication system

Indústrias:
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How can I capture data from motion sensors synchronized with other analog data? The Yokogawa ScopeCorder series of instruments feature input modules and functions to make this possible. 

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Battery Voltage Fluctuation During ABS Action

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The Yokogawa DL850E is a waveform measuring and recording instrument with eight slots for signal conditioning and data acquisition modules. In addition to high-speed signal inputs up to 100 MHz sampling rate, the DL850E has features for real-time signal processing that provide advantages to scientists and engineers trying to observe complex systems.

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The maximum external HDD size is 1.5 TB.
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The 702911 and 702912 Logic Probes cannot be used with the DL750/DL750P. The logic probes were orginally designed to be used with the OR Series.   The SL1400 can use the 700986, 700987, 702911, 702912. The DL750 can ...
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Please use the attached "Sampling Rate Table.xls" to help you determine the appropriate Record Length and Time/Div setting to achieve XYZ Sample/Sec Sample Rate. Keep in mind that there are limitations to the amount of ...
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The /HD0 External HDD Interface and /HD1 Internal HDD options cannot be installed on the same instrument. When the internal HDD reaches capacity, it must transfer files to the PC to clear space before saving the next ...
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We have tested the following IRIG generator for compatibility with the DL850. GPS200 (Masterclock)http://www.masterclock.com/products/gps200.phphttp://www.masterclock.com/popup/standard_antenna.htm ES101 ...
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Unfortunately, it does not work for the files created on a DL750. It is a dedicated feature available only for the DL850/DL850V.
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Whether you are new to the DL850/DL850V ScopeCorder or it's been awhile since you last operated the instrument, the DL850 Self-Paced Student Workbook is a great getting started guide. It contains 18 step-by-step ...
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Yes, the following attached file contains sample C/C++ and Visual Basic programs for controlling the DL850/DL850V. You can also obtain the latest sample programs from the Software Downloads sections on y-Link.
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In most cases, all the DL750 modules will be compatible with the DL850 and SL1000. However, there are some module which can be used with DL750 but cannot be used with DL850. These are typically the early DL750 modules ...
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Unfortunately, the DL850 is neither IVI nor LXI compliant and there are no drivers for either standards.
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If during the DL850/DL850 firmware upgrade process, the display screen turns black, blue, or something in between and the installation failed, please complete the following steps. You will need a USB printer cable to ...
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The DL850/DL850V cannot be set to 100ns/div when the following modules are installed: 720240 CAN Bus Monitoring Module 720220 16 Channel Voltage Input Module Removing these modules permits the DL850/DL850V to be ...
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The lowest, guaranteed operating temperature covered under warranty is 5°C. The lowest, guaranteed storage temperature covered under warranty is -20°C.Unfortunately, we have no practical way of determining which ...
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The largest flash drive size that can be detected by the DL850 is 16 GB. The largest external hard drive size that can be detected by the DL850 is 1.5 TB.
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To determine the start and end point of the zoom box, issue the following commands: :WAVEFORM:START :WAVEFORM:END :ZOOM:POSITION? :ZOOM:MAG? :ZOOM:POSITION1? :ZOOM:MAG1? :WAVEFORM:LENGTH? You can then calculate the ...
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Please download and view the attached QIS document for detailed calibration procedures for the 720240 CAN bus monitor module. In addition, the "720240 Settings.doc" has step-by-step screenshots on the settings you will ...
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In terms of display resolution, the 720210 and 701250 modules (12-bit) are equivalent to a 4 digit DMM. The 701262 module (16-bit) is equivalent to a 5 digit DMM. However, in terms of DC accuracy, the 720210 and 701250 ...
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If you discover that your waveform data/trace or some channels have disappeared from the DL850/DL850V or Xviewer when you re-load the WDF data file, this is normal behaviour due to an incomplete acquisition.   For ...
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No, it is not possible to use the WDF File Access API in LabView to read *.WDF files. Although LabVIEW can use and access DLLs, there is a special function in the WDF File Access API called WdfGetSacleWave64, which ...
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The formula for calculating the file size for a  Binary type (with *.WDF extension) is:        File Size = 805kB + (DataLength*ChannelCount*HistoryCount*2) where 805kB is the ...
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No, MATLAB cannot use the WDF File Access API to read *.WDF files.There is a special function in the WDF File Access API called WdfGetSacleWave64, which is used to read the data from the *.WDF file. This command uses ...
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This method will not work as the signal waveform would be very distorted. The coax acts as a heavy shunt-capacitance at the 'output' jack of the passive probe circuit. As a result, this excessive shunt-capacitance ...
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Unfortunately it is not possible to convert a .WVF file to a .WDF file. A .WVF file saved by a DL750 can only be loaded in Xviewer or a DL750.   Xviewer is capable of loading both .WVF and .WDF file formats.
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No, if you send commands simultaneously from another communications interface, that has not been selected on the DL850/DL850V, the instrument will not execute the commands properly.
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If the files saved on the DL850 do not appear on the PC, please disconnect and reconnect the USB connection from the DL850 to the PC.This behavior is normal for Windows based operating systems including Windows XP, ...
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The measured output response time of the 701260 Analog Voltage Input Module, when observing RMS is: Rising (0 to 90% of 10 div): 100ms Falling (100 to 10% of 10 div): 250ms An attached JPEG displays the results of ...
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There are some modules which can be used with the DL750 but cannot be used with the DL850. This is due to the nature of the FPGA for that module, which cannot be interchanged between the DL750 and the DL850. During ...
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The AC Power Input in all Yokogawa instruments is designed as a 3-pin connection (one of which is a GND pin). In some parts of the world, PCs are sold with AC power cables that are 2-pin. Often times this means the ...
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The SL1000 doesn’t support offset summing like DLM2000.  The SL1000 doesn't have offset hardware; instead, the vOffset variable is used to affect the displayed value only.  So, using this parameter would have no ...
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If your DL series oscilloscope is not measuring rise or fall time, it may be because you are attempting to measure asymmetric waveforms. It is not possible to perform automatic rise or fall time measurements on DL ...
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Unfortunately, we do not have an instruction manual describing the*.WDF file format structure like we did for the *.WVF files. However, we do provide a list of support options which will contain more details ...

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Unbalanced, non-isolated inputs are single-ended amplifiers. These inputs are suitable for measurements where common mode voltages are extremely small or zero and measurements are referenced to GND.   Unbalanced, ...
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Decimation is a technique used to reduce the total number of samples. You can use Xviewer to perform decimation on your waveform data files that have the WDF/WVF/ASCII CSV extension format. Decimation reduces the ...
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High Resolution mode can be used to remove high frequency noise and increase vertical resolution. It achieves this by increasing the number of effective bits per data to 12-bits through digital and bandwidth filters.
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The lowest possible device setting for sample rate on the DL850 is 5 Sa/sec. There are however, different methods that will allow you to achieve much lower sample rates which includes the use of an external clock, ...
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The SL1000 has the following types of memory: Internal Hard Drive: 40 GB Non-Volatile SRAM Waveform Acquisition Memory: 128 MW or 256 MB Volatile RAM Setup File Data Storage: 1 MB Volatile SRAM(Battery-Backup)
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The SL1000 doesn’t support offset summing like DLM2000.  The SL1000 doesn't have offset hardware; instead, the vOffset variable is used to affect the displayed value only.  So, using this parameter would have no ...
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When making a WT230 RS232C connection using GateWT, please verify the following RS232C communication settings on the instrument: Mode = 488.2 Hand = 0 For = 0 Baud Rate = 9600 Terminator Cr+Lf Even though you can run ...

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Unfortunately we do not have any experience using the SL1000 Acquisition Software on a PC that has Symantec Endpoint Encryption Software (SEES) installed.   SEES is a storage encryption software that provides data ...
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The DL series instruments are capable of measuring the delay between traces or the delay between channels. The measured output value can be displayed in either time or degree. To setup the DL850 to measure delay, follow ...
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Microsoft(R) Excel 97 and 2000 only.
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Frequency to Voltage Conversion   Problem: A transducer produces a sine-wave output dependant on the voltage-input; here is how to decode that output with a scope or a ScopeCorder.  For 3kV input, the transducer ...
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The DL850 can be installed with one of the following language options:JapaneseEnglishChineseKoreanGermanFrenchItalianSpanishRussianFor the English (-HE) model, the menu and message language can be changed in the UTLITY ...
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The free software DL-GATE can be used for the following products only:DL1700E seriesDL7400 series (firmware version after 1.32)DL1600 series (firmware version after 1.13)DL750 series (firmware version after ...
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​How to use SNTP on DL850 The sequence below is very important for SNTP to work properly.1. Set DATE/TIME and GMT Time Difference to your location FIRST. EDT is -4 hours, EDT is -5 hours - as examples. 2. Set a SNTP ...
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Question:If the DL9000 is in normal trigger mode and no waveform acquisitions have been made i.e. the scope has not triggered, a query to the instrument using the :Waveform:Record or :History:Record? Minimum it returns ...
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The Time Axis Accuracy is the accuracy of the A/D clock. It is not possible to directly measure the A/D clock and the A/D clock is not output from the DL850/SL1400. To verify the accuracy of the A/D clock, you will ...
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To use the waveform parameter Measure function or the computation Math function, you need the 707702 Computation Function Setup Software. In the case of the WE7111, you can perform waveform parameter automatic ...
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If you are using serial communication or ethernet to connect the WE7000 Control Software to the PC, it is necessary to create a shortcut with a start option added to the end of the shortcut target. For WE control ...
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In free run mode, the execution timing is different depending on the type of computation. In the case of computations such as FFT, Filter, pulse width, etc. various data are arranged in a chronological direction.
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The correct AC coupling test for the 720210 Analog Voltage module must be performed at 20 Hz.   The service manual, SMDL850-01EN_010 1st Ed, suggests that you perform the AC COUPLING test at 15 Hz. This is a typo and ...
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The SL1000 has the following types of memory: Internal Hard Drive: 40 GB Non-Volatile SRAM Waveform Acquisition Memory: 128 MW or 256 MB Volatile RAM Setup File Data Storage: 1 MB Volatile SRAM(Battery-Backup)
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Yes, VXI-11 is required and needs to be enabled for the DLM2000 to connect properly to Xviewer when using an ethernet connection. If the VXI-11 option is unchecked, a connection failed message will appear.   Related ...
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One possible solution is to use a third party 10:1 attenuator such as the one shown in the attached document. You may use the attenuator to allow the direct input of higher voltage levels with the 701262 module, since ...
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The SL1000 is capable of linking up to 8 units, up to 128ch max, in synchronized mode using our SL1000 Acquisition Software. Using a common LINK file, data from all units can be processed and analyzed, as one, at the ...
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The AC Power Input in all Yokogawa instruments is designed as a 3-pin connection (one of which is a GND pin). In some parts of the world, PCs are sold with AC power cables that are 2-pin. Often times this means the ...
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Depending on the mode, the dead time may range from 0 to 10ms approximately. The dead time for the different modes are listed below. Free Run Mode: 0ms Normal Mode without HDD recording: 10ms Normal Mode with HDD ...
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The SL1000 is capable of transferring previous data sets/files while streaming is still in progress through the File Divide feature. When the SL1000 starts recording, it opens a new file and starts logging data. If the ...
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The sanitation procedure for various Yokogawa oscilloscopes have been documented below. Please download the document or pdf that refers to your Yokogawa oscilloscope.
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No, the SL1000 and 720210 service manual does not include any adjustment procedures however, it does contain the inspection procedure (QIS). 
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To perform a shunt calibration using the 701271 strain gage module and the ScopeCorder, please complete the following procedures: Connect the strain module 701271, bridge head 701957/701958 and the strain ...
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The maximum total file size you can record continuously depends on your sample rate, channel count and storage capacity. Please see the attached PDF file for an example of recording settings.Note: The dead-time between ...
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Please see the attached document.
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Xviewer may only be used to view and analyze data saved by the SL1000, it cannot be used to remotely control the SL1000. You can also transfer files between the SL1000 and a PC. For the SL1000, Xviewer can support ...
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Yes you can load the setup files *.WES that was saved using the older version of the WE Control Software onto the newer version of the WE Control Software. Please follow the procedures listed in the attached PDF file.
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Even though the correct USB drivers have been installed, and the device displays correctly in the Windows Device Manager Window, the SL1000 Acquisition Software fails to detect the SL1000 main unit. Solutions: Verify ...
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Yes, you can use the 700929 isolated probe with non-isolated input modules.
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There are some modules which can be used with the DL750 but cannot be used with the DL850. This is due to the nature of the FPGA for that module, which cannot be interchanged between the DL750 and the DL850. During ...
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You can express any arbitrary exponentiation, in Xviewer or DL series instruments, by using the LOG (common logarithm) and EXP (exponential) functions. For example, for C1 raised to the exponent of 0.2, the math ...
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The Offset function is used to set the vertical position of a waveform and is defined by a voltage value (V). The Position function is used to set the horizontal location of a waveform and is defined by a division ...
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The Gage Factor setting for the 701271 Strain Input Module can be directly inputted within the range of 1.90 to 2.20. However, it is possible to indirectly set the Gage Factor to a larger value by setting the constant ...
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In the oscilloscope's QIS (Quality Inspection Standards), the "beat method" can be used to inspect and verify the time base accuracy. The "beat method" utilizes the aliasing effect to create a "beat waveform." The "beat ...

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Please follow the procedures listed in the attached document for instructions on how to update the firmware on the SL1000.
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Yes, Xviewer has the capability of opening multiple files from different DL, SL, and WE series instruments into a single window display. The only requirement for viewing files from different products is that the sample ...
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Question: I would like to confirm DC Precision when changing the position setting on DL1600. According to the specification of vertical (voltage) axis accuracy, in the case that voltage axis is set to 0.5 V/div:  DC ...
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When making a WT230 RS232C connection using GateWT, please verify the following RS232C communication settings on the instrument: Mode = 488.2 Hand = 0 For = 0 Baud Rate = 9600 Terminator Cr+Lf Even though you can run ...

Visão Geral:
The lowest possible device setting for sample rate on the DL850 is 5 Sa/sec. There are however, different methods that will allow you to achieve much lower sample rates which includes the use of an external clock, ...
Visão Geral:
The DL series instruments are capable of measuring the delay between traces or the delay between channels. The measured output value can be displayed in either time or degree. To setup the DL850 to measure delay, follow ...
Visão Geral:
Decimation is a technique used to reduce the total number of samples. You can use Xviewer to perform decimation on your waveform data files that have the WDF/WVF/ASCII CSV extension format. Decimation reduces the ...
Visão Geral:

Unfortunately, we do not have an instruction manual describing the*.WDF file format structure like we did for the *.WVF files. However, we do provide a list of support options which will contain more details ...

Visão Geral:
If your DL series oscilloscope is not measuring rise or fall time, it may be because you are attempting to measure asymmetric waveforms. It is not possible to perform automatic rise or fall time measurements on DL ...
Visão Geral:
High Resolution mode can be used to remove high frequency noise and increase vertical resolution. It achieves this by increasing the number of effective bits per data to 12-bits through digital and bandwidth filters.
Visão Geral:
Unbalanced, non-isolated inputs are single-ended amplifiers. These inputs are suitable for measurements where common mode voltages are extremely small or zero and measurements are referenced to GND.   Unbalanced, ...
Visão Geral:
Unfortunately we do not have any experience using the SL1000 Acquisition Software on a PC that has Symantec Endpoint Encryption Software (SEES) installed.   SEES is a storage encryption software that provides data ...
Visão Geral:
The correct AC coupling test for the 720210 Analog Voltage module must be performed at 20 Hz.   The service manual, SMDL850-01EN_010 1st Ed, suggests that you perform the AC COUPLING test at 15 Hz. This is a typo and ...
Visão Geral:
Microsoft(R) Excel 97 and 2000 only.
Visão Geral:
To use the waveform parameter Measure function or the computation Math function, you need the 707702 Computation Function Setup Software. In the case of the WE7111, you can perform waveform parameter automatic ...
Visão Geral:
If you are using serial communication or ethernet to connect the WE7000 Control Software to the PC, it is necessary to create a shortcut with a start option added to the end of the shortcut target. For WE control ...
Visão Geral:
In free run mode, the execution timing is different depending on the type of computation. In the case of computations such as FFT, Filter, pulse width, etc. various data are arranged in a chronological direction.
Visão Geral:
The Time Axis Accuracy is the accuracy of the A/D clock. It is not possible to directly measure the A/D clock and the A/D clock is not output from the DL850/SL1400. To verify the accuracy of the A/D clock, you will ...
Visão Geral:
Question:If the DL9000 is in normal trigger mode and no waveform acquisitions have been made i.e. the scope has not triggered, a query to the instrument using the :Waveform:Record or :History:Record? Minimum it returns ...
Visão Geral:
Frequency to Voltage Conversion   Problem: A transducer produces a sine-wave output dependant on the voltage-input; here is how to decode that output with a scope or a ScopeCorder.  For 3kV input, the transducer ...
Visão Geral:
The DL850 can be installed with one of the following language options:JapaneseEnglishChineseKoreanGermanFrenchItalianSpanishRussianFor the English (-HE) model, the menu and message language can be changed in the UTLITY ...
Visão Geral:
The free software DL-GATE can be used for the following products only:DL1700E seriesDL7400 series (firmware version after 1.32)DL1600 series (firmware version after 1.13)DL750 series (firmware version after ...
Visão Geral:
​How to use SNTP on DL850 The sequence below is very important for SNTP to work properly.1. Set DATE/TIME and GMT Time Difference to your location FIRST. EDT is -4 hours, EDT is -5 hours - as examples. 2. Set a SNTP ...
Visão Geral:
The sanitation procedure for various Yokogawa oscilloscopes have been documented below. Please download the document or pdf that refers to your Yokogawa oscilloscope.
Visão Geral:
No, the SL1000 and 720210 service manual does not include any adjustment procedures however, it does contain the inspection procedure (QIS). 
Visão Geral:
To perform a shunt calibration using the 701271 strain gage module and the ScopeCorder, please complete the following procedures: Connect the strain module 701271, bridge head 701957/701958 and the strain ...
Visão Geral:
The maximum total file size you can record continuously depends on your sample rate, channel count and storage capacity. Please see the attached PDF file for an example of recording settings.Note: The dead-time between ...
Visão Geral:
The SL1000 is capable of transferring previous data sets/files while streaming is still in progress through the File Divide feature. When the SL1000 starts recording, it opens a new file and starts logging data. If the ...
Visão Geral:
Depending on the mode, the dead time may range from 0 to 10ms approximately. The dead time for the different modes are listed below. Free Run Mode: 0ms Normal Mode without HDD recording: 10ms Normal Mode with HDD ...
Visão Geral:
Yes, VXI-11 is required and needs to be enabled for the DLM2000 to connect properly to Xviewer when using an ethernet connection. If the VXI-11 option is unchecked, a connection failed message will appear.   Related ...
Visão Geral:
One possible solution is to use a third party 10:1 attenuator such as the one shown in the attached document. You may use the attenuator to allow the direct input of higher voltage levels with the 701262 module, since ...
Visão Geral:
The SL1000 is capable of linking up to 8 units, up to 128ch max, in synchronized mode using our SL1000 Acquisition Software. Using a common LINK file, data from all units can be processed and analyzed, as one, at the ...
Visão Geral:
Xviewer may only be used to view and analyze data saved by the SL1000, it cannot be used to remotely control the SL1000. You can also transfer files between the SL1000 and a PC. For the SL1000, Xviewer can support ...
Visão Geral:
Please see the attached document.
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Yes you can load the setup files *.WES that was saved using the older version of the WE Control Software onto the newer version of the WE Control Software. Please follow the procedures listed in the attached PDF file.
Visão Geral:
Please follow the procedures listed in the attached document for instructions on how to update the firmware on the SL1000.
Visão Geral:

In the oscilloscope's QIS (Quality Inspection Standards), the "beat method" can be used to inspect and verify the time base accuracy. The "beat method" utilizes the aliasing effect to create a "beat waveform." The "beat ...

Visão Geral:
Yes, Xviewer has the capability of opening multiple files from different DL, SL, and WE series instruments into a single window display. The only requirement for viewing files from different products is that the sample ...
Visão Geral:
Question: I would like to confirm DC Precision when changing the position setting on DL1600. According to the specification of vertical (voltage) axis accuracy, in the case that voltage axis is set to 0.5 V/div:  DC ...
Visão Geral:
The Gage Factor setting for the 701271 Strain Input Module can be directly inputted within the range of 1.90 to 2.20. However, it is possible to indirectly set the Gage Factor to a larger value by setting the constant ...
Visão Geral:
You can express any arbitrary exponentiation, in Xviewer or DL series instruments, by using the LOG (common logarithm) and EXP (exponential) functions. For example, for C1 raised to the exponent of 0.2, the math ...
Visão Geral:
The Offset function is used to set the vertical position of a waveform and is defined by a voltage value (V). The Position function is used to set the horizontal location of a waveform and is defined by a division ...
Visão Geral:
Even though the correct USB drivers have been installed, and the device displays correctly in the Windows Device Manager Window, the SL1000 Acquisition Software fails to detect the SL1000 main unit. Solutions: Verify ...
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Yes, you can use the 700929 isolated probe with non-isolated input modules.
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For the 701280 Frequency Input Module with a 4th order IIR 6Hz lowpass filter, a 60Hz sine wave (FM modulated with a square wave) was measured with deviations of ± 3Hz. Please download and view the attached image for ...
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The attached file contains an Excel spreadsheet with an API that will query data from the DL850 via USB, to obtain and display the Time/Div setting. To use the Excel API, follow these procedures: Download and extract ...
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Xviewer can be used to calculate various power analysis measurements such as power factor, real power, reactive power, and apparent power. Two sample waveforms are available in the attached zip file, and should be used ...
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The Delay Measurement value is a Fixed-Point Number.The Delay Measurement feature on the DL850 comes in two modes, Time and Degree. The output of the Delay Measurement feature is a time-based value and not an amplitude ...
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The DL850 is capable of linearizing an input signal using the Polynomial Feature in the /G3 Realtime Math option. The polynomial feature performs a fourth order polynomial calculation on the selected source waveform. To ...
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To set the DL850 in Roll Mode, turn the Time/Div knob until it is set to 100msec/Div or longer. If the Time/Div is set to 1Hr/Div or longer, waveform scrolling can be difficult to observe in real-time. This is due ...
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Please make sure you have the latest version of Xviewer installed.
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The DL850 G3 Power Measurement option can be used to calculate the power of a Sinusoid-Current Burst. Please download and view image for a screenshot demonstration of the DL850 G3 Power Function.The firmware version of ...
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It is not necessary to perform deskew on a DL850 when using a current probe. The DL850 does have enough resolution to perform deskew and will not be able to find the time offset. Typically the deskew value ranges from ...
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For the DL850 G3 Frequency Function, you will need to set the hysterisis of the edges that are used to detect the periods. This will increase the tolerance for noise and improve measurement reliability.To configure ...
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Unfortunately Xviewer is not a client-server type software and it is not recommended to run Xviewer on a Windows Server based OS. Xviewer needs to be installed on a client PC to operate without issue. We cannot ...
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The DL850 can save measured waveform data to a file in Binary, ASCII, or Floating Point format. You can use the FILE Waveform Save Menu or the SAVE MENU menu to set how files are saved.To save using the SAVE MENU ...
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Unfortunately there is no way to read these warning messages on the DL750. In addition, there is no other command available to determine if there was "No Matching Record" found in History for a particular ZONE ...

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To determine the exact trigger time of the waveform acquisition, use the ":HISTORY:TIME? 0" command, where 0 refers to the latest acquisition record.To determine the exact trigger sample number, use the ...
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The new 700929 isolation probe has two new parts: Safety Plug-on clip B9940WX and Safety Clip Lead B8023ZC. The old 700929 isolation probe only has one part, the Pincher Tip B9940WH. Please refer to the attached PDF ...
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If the only active module in the DL850 Chassis is the 720220 16 Channel Voltage Module, the waveform data file (ASCII or WDF) will NOT contain repeated samples. If multiple modules, including the 720220, are installed ...
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Please download and view the attached PowerPoint presentation for a comprehensive guide on how to operate the DL850 Dual Capture mode.
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Error(Code:539)Press ESC Key to Close.Module configuration is not matched, so it couldn’t loaded.Configuration of saved data can see by File property.The following error is ...

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On the DL850, the list starts with #0000 and corresponds to the last triggered waveform captured. The next entry, #0001, corresponds to the first triggered waveform captured and proceeds to list the captured waveforms ...
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Using the DL850, the waveform data was directly saved as an ASCII file in the *.CSV and *.WDF file format (NOT an Xviewer conversion). The sample files that have been provided contain the same waveform data, which is a ...
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If you wish to view the timestamp data in high resolution, you will need to open the *.CSV file with Notepad or Wordpad. If you use Microsoft Excel to open the file, Excel will round the timestamp data, preventing you ...
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The correct syntax for implementing the Atan function on the DL850 is ATAN(C1).There is a typo in the DL850 IMDL85001EN 4thEd Features Guide, ATAN(C1,C2) is in-correct. However, the syntax for the DL750 IS ...
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Noise or glitches occurring on the unterminated input sub-channel for the 720221 module is normal.   You must install a short-circuit jumper on the input terminal which is not used. The wave becomes GND level and ...
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When viewing the ASCII Header File *.HDR, each timestamp row corresponds to the time a trigger occurs. Multiple timestamp rows will be created if the trigger mode is set to Single(N) and History is set to "All." ...
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You can superimpose a previous acquisition onto the current acquisition through the Snapshot feature on the DL850. You may also consider using Go/No-Go testing, as long as the requirement for a reference waveform is ...
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There are a number of reasons as to why the ScopeCorder does not detect or format your eSATA drive. Please verify the following conditions: Cable connections are secure Connect either SATA or USB cable Connect and ...
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There are limitations to the CSV format which can be read by the arbitrary waveform editor. It can only read CSV format if the values are arranged in a single column. In the case of CSV files converted from wvf format ...
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The DL850 FLD file extension contains the acquired waveform data in IEEE 32-bit floating point format. You can analyze the floating point format using the low-level file I/O commands in MATLAB. FLD file format contains ...
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Please see the attached "DL850 Wave Window FAQ.zip" for detailed instructions and setup feature explanations. There is also a wave window FAQ discussion included in the zip file.
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Please download and see the attached DL850 IRIG Tutorial presentation.
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If the DL850 WDF file was saved through the hard disk recording feature (HD Recording), then the file may be recovered by using the Finalize feature in Xviewer File Utility. Files that were saved through the normal ...
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Yes the operating temperature range of the individual modules is the same as the operating temperature range of the DL850/DL750 main chassis unit.
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No, this "calibration" does not refer to the ScopeCorders Auto-Cal feature. When the Auto-Cal function is set to OFF, the ScopeCorder will not automatically calibrate after a 30 minute warm-up period. You must do a ...

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No, the Standard Operating Conditions are not equivalent to the compensated temperature range. The unit's accuracy specifications are valid when operated within the Standard Operating Conditions and when the temperature ...
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If there is a temperature coefficient listed in the specifications of the instrument's user manual, that coefficient is to be applied in the following conditions: The unit is calibrated within the Standard Operating ...
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The 701280 frequency input module measures only time domain values, it does not measure any voltage or any amplitude domain value. Since the temperature coefficients are only applied to the amplitude domain value, the ...
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Yes, you can use GPIB to remotely control the DL850/DL850 using Xviewer or LabVIEW and have the scope save data onto a shared network drive using the Ethernet interface.
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There is no limitation. A single DL850 unit can support 128 channels.
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The power source is switched automatically when AC and DC are used simultaneously. AC is given priority. The DC input can be used as a backup power supply. If the AC power goes down, the DL850V /DC instantly switches to ...
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INTEG1 vs INTEG2 - as demonstrated on DL850 G3   Examples of two different ways to INTEGRATE on the DL850/G3 DSP.   One attachment.
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Can Xviewer.exe be run as multiple instance?   No - not at this time. Xviewer can not control two or more DL850 chassis. Xviewer can not connect to two or more instruments at the same time. Two or more Xviewer ...
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What is Blocknumber and Blocksize in a DL750 ASCII Header?   (example attached)   The “BlockNumber” relates to the number of records (acquisitions) you saved to the binary file.   EXAMPLE: if you saved 2 ...
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How does the DL750 save Logic data for MATLAB?   Unfortunately, the format of .wvf files (from a DL750) is not open to the end-user. Also, the MATLAB tool kit for DL series (701991) and WVF file access API (707712) ...
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Unable to connect to DL850 via GPIB after a WDF file is loaded into acquisition memory.   This is a confirmed issue and exists only when using GPIB. (Ethernet and USB do not exhibit this behaviour.)   Solution: ...
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DL850 .WDF File will not open with Xviewer 1.64   Solution: Please update to latest version (now at version 1.72).
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Load File Failed when using DL850 with eSATA external HDD   This can occur when power is lost during recording, HDD was disconnected, etc.   Solution: It is possible to recover that file using the Xviewer File ...
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What is Algorithim for Xviewer's PP Compression?   PP Compression is peak-peak compression ... and it is an option when you save a waveform data file (WVF or WDF). When you select the PP Comp option, Xviewer saves ...
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DL850 - How to maximize repeatability of Phase Measurements   Use a direct-input if possible; this will remove the delay due to passive-probes 700929 being different between a pair of input channels (in phase ...
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What is the temperature range of the 700929?     The operation temperature for the 700929 is from 5 degree C to 40 degree C. (It is same range for DL850/DL750 mainframe.)
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Can I buy a ground clip for my new-style 700929?     Two part numbers required for new-style probe:     NEW STYLE features/requires two pieces: ground ref clip and safety plug-on clip.   B9940WX Clip, plug-on, ...
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701260 Calibration Procedure Typo   This should be "+1V +/- 2.5mV" and "0V +/-2.5mV". The service manuals for DL750 and for SL1400 have same mistakes in writing. one attachment
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Can Xviewer decode RPM from a pulse-train?   I recommend using a Freq module for this - becuase it has many advantages;   However, in a pinch, Xviewer could be used to do this:   RPM = Frequency divided by ...
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What does VARIABLE feature do on DL750?    In terms of using VARIABLE on your input channel; it is a display-value feature - not a resolution feature. the A/D on the front-end still uses the V/Div which you had ...
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DL750 web server with IE8 and Windows XP 32bit OS    If IE8 cannot load the DL750 WebServer, and the runtime has been installed: In Internet Explorer, add the IP of the DL750 URL to the list of "Trusted Sites" ..
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My DL750 HDD RECORDING "REALTIME" Files are missing. Please help.   (Or: You need to locate them and move them to my PC via USB THUMB DRIVE.)   DL750 REALTIME FILES ".WDF Files" are not visible on the DL750 HDD ...

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Do you have a specification for the DL750 realtime clock in terms of accuracy and drift ?   There is no specification for the realtime clock on DL750.In the worst case, this clock drifts about 10 minute in one month ...
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My DL750 Ethernet Port is not visible.   First, Press UTILITY and then OVERVIEW .. and Ethernet will be listed as an option on that unit. If it is listed there, you can pry the plastic cover out with a very small ...
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Marker cursor and Measure function do not work simultaneously   Unfortunately, this is true; We can not use the Measure function and the Cursor function at the same time in legacy DL such as DL750; (DLM2000 and DL850 ...
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How to trigger DL850 with a hand-switch   The DL850 is pulled-to 5V internally; a TTL signal going-low will trigger it naturally (pulling it to LOW); likewise, it can trigger on either the rising or the falling edge of ...
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DL750 Version 6.xx File (WVF/HDR) Auto-Naming Not Working with NetDrive (The first file will write correctly .. but auto-naming will not work properly after that) This issue has been confirmed when using MICROSOFT ...
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How to trigger on a CAN ID using DL850   A starndard DL850 cannot provide a CAN trigger … but the feature added is “CAN ID” a new operator added in Realtime.   The CAN ID G3 operator uses an ANALOG input as the ...
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Putting a SPACE after a .WDF file extension - and the WDF will not load into the DL850     Example1: "FILENAME.WDF" is a normal filename and will re-load properly into DL850 Version 2.05   Example2: "FILENAME.WDF_" ...
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Please see the attachment file for more details.
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For a strain gage factor greater than 2.20, please set the strain gage factor to 2.0 and use linear scaling. Refer to the example below. For X > 2.20:    - set gage factor of strain module to 2.00    - set ...
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The common mode isolation voltage 300V is available for both, between channels in the same module and channels in different modules.​
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The DL750 does not support encrypted USB thumb drives. Please use non-encrypted USB thumb drives to save waveform data or other data files.
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Unfortunately the DL750 cannot survive an automobile crash. The vibration testing on the DL750 verifies the x-y-z axis at about 0.1G at random. ​
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Yes, it is possible to synchronize more than 3 DL750's by using the trigger signal, in a one-to-one connection method, as long as the limits of the delay time is not exceeded.  Example Configuration:DL750 [TRIG ...
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No, as described in the service manual, either the 701250/701255 10 MS/sec or the 720210 100 MS/sec modules is required for time base calibration.
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 The isolation module specifications for maximum allowable common mode voltage using direct input is 42V(DC+ACpeak).  The maximum allowable common mode voltage using the 701901(1:1) safety cable is 400V or ...
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To turn any unused channels OFF on the 720220 module, please select OFF in the Coupling menu. ​
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The V Scale SPAN mode on the DL850 can be used to adjust the upper and lower display limits of the zoom window. To optimize the V Scale SPAN mode to make the best resolution measurements, follow the procedures listed ...
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Yes, to provide safety and isolation to sensitive test points please use the following banana jack adaptors: M1223WP-A Push-on Safety Male Banana Plug M1223WQ-A Banana Plug Reference Lead We also provide various ...
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The following eSATA and USB external hard drives are compatible with the ScopeCorder: Buffalo HD-HS500SU2 500GB IOMEGA LPHD080-U 80GB ELECOM LaCie d2 quadra LCH-2D1TQ 1TB IO DATA RHD-UX1.0T 1TB Logitec ...
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To open the CSV ASCII file saved by your ScopeCorder: Start Xviewer Open a New Viewer Window Drag and drop your CSV file into the empty viewer window Additional Note:ScopeCorder refers to the DL750/DL750P, ...
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Please see the attachment "Self-Paced Exercises for SL1400.PDF" for a set of easy exercises suitable for the SL1400 beginner.
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Making a reverse polarity connection of DC power to the DL750 with the DC power supply option will not damage the unit. The DL750 has a built-in protection circuit that will prevent damage to the unit in this ...
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Unfortunately, waveform data saved by Xviewer in the *.WVF, *.CSV, or *.FLD format cannot be loaded onto DL series instruments.
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Unfortunately, the header file .HDR saved by the ScopeCorder does not contain the instrument settings. If the .WVF and .HDR file pair was saved by the DL750/DL750P/SL1400, you may reload the WVF file back into the ...
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Port #10,001 needs to be opened via your firewall in order to connect WirePuller with the DL750. A through-firewall connection may also be required for port-forwarding.
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The following softwares have been tested for Windows 7 compatibility. WTViewer Xviewer SL1000 Acquisition Software USB Instrument Drivers for all USB supported instruments TMCTL Library Files for programming with VB, ...
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The maximum number of 720230 Logic Input Modules that can be installed on the DL850 is 8 or 128 logic bits.
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The bandwidth for the 720210 100 MS/s is 20Mhz.
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The maximum recording time (observation time) of the DL850/DL850V in normal mode or real time recording mode is 30 days.
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The only difference is that the CAN bus monitor module works with the DL850V only and the front panel sheet color is different.
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Yes, there is a modification kit to modify the DL850 to DL850V. Please contact your nearest Yokogawa representative for more details.
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No, the 16 Channel Voltage Input Module cannot be used to measure temperature.
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There are no dedicated probe for the 720240 CAN bus monitoring module. The module requires a direct input D-sub 9 pin connector cable.
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The number of each module that can be placed in a DL850 is limited to a maximum of: Voltage Scanner Module: 8 CAN Bus Monitoring Module: 2 (must be installed in slot 7 & 8) Logic Input Module: 8 100 MS/sec Module: 4 ...
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No, the DL850/DL850V does not have a chart recorder mode.
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Yes, the DL850/DL850V will work with a solid-state eSATA external HDD.
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No, the DL850 / DL850V does not have an acquisition memory backup battery.
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The On Start Trigger Mode (Log Mode for the DL750) will perform a single waveform acqusition immediately when you press the START key.
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Yes, please use an IRIG timecode generator with a GPS clock source.
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Yes, Xviewer can be used to display the waveform data from multiple DL850's into a single window display with the data synchronized over time.
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The DL850 realtime file divide feature enables you to record long waveform acquisitions (realtime) divided into blocks of smaller files. Each file block can be 2GB in file size. You can specify the number of files that ...
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GigaZoom II is a display processor implemented via architectural technology on an FPGA.
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Yes, the IRIG B feature can synchronize the clocks of several DL850s in one location.
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Yes, the IRIG B feature does allow the synchronous clock operation of multiple DL850's in several locations. It will require an IRIG generator with a GPS source.
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Yes, please use the trigger in/out function or the time trigger to synchronize the trigger input to each DL850.
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You can input up to 16 characters in a waveform label, but the DL850 will only display 8 characters max.
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The maximum compatible eSATA external HDD size is 1.5 TB. The external HDD recording function performs the same as the internal HDD. The actual data transfer for internal and external HDD is 3.2 MB/s.
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No, the DL850/DL850V can only stream realtime data to an external hard drive or the internal hard drive.
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This comprehensive training module covers the following topics:

  • Introduction & Product Familiarization
  • Basic Features
  • Advanced Features
  • Step-by-Step Video Demonstrations of Features
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This comprehensive training module covers the following topics:

  • Introduction & Product Familiarization
  • Basics Features
  • Advanced Features
  • Step-by-Step Video Demonstrations of Features

Product Overviews

How-tos

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    Using the DL350 Memory Recorder Mode Easy Setup, combined with a 16-channel thermocouple input, it's easy to record hours, days, or weeks of data with a few simple settings. 

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    In this video we demonstrate the GPS data logging capability of the DL350 Portable ScopeCorder. Recording Position, Velocity, and Altitude simultaneously with accelerometers or other analog inputs is simple with the DL350's built-in features.

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    In this video we demonstrate the automotive bus decoding features of the DL850EV ScopeCorder.

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    In this video, Dami Ashebu, an Application Engineer with Yokogawa Test and Measurement discusses how a DL850EV data acquisition system can be used to gather various analog and serial bus data for systems validation and reverse engineering in the automotive industry.

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    A demonstration reading a 4 - 20 mA transducer into an analog channel on the DL350 Portable ScopeCorder.

Webinars

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