KNOWLEDGEBASE
(42) Results were found. Showing 1-10.
Does the WT3000 have Built-In Over Temperature Protection Devices?
There are no built-in over temperature protection devices in the WT3000. The official operating range covered by warranty is listed at 5°C - 40°C. Our own internal test have revealed that it is possible to successfully ...
item: 913 | http://tmi.yokogawa.com/tw/service-support/faqs/913/
Why do I Need to use a Hub When Communicating With the Instrument via Ethernet?
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 PC d...
item: 906 | http://tmi.yokogawa.com/tw/service-support/faqs/906/
Power Analyzer Accuracy and Basic Uncertainty Calculator
The Power Analyzer Accuracy and Basic Uncertainty Calculator can be used to determine the uncertainty in voltage, current, and active power (watts) measurement values for various frequency ranges and wiring systems. To u...
item: 417 | http://tmi.yokogawa.com/tw/service-support/faqs/417/
Why Doesn't WTViewer Communicate with my WT Series Power Meter via GPIB?
There are several items you will need to check and verify to solve this issue. Verify the GP-IB connectionSome instruments have a D/A output connector located next to the GP-IB connector. There have been some instance...
item: 158 | http://tmi.yokogawa.com/tw/service-support/faqs/158/
Why is the Theoretical Calculated Power Factor and Phase Angle Different Than the Measured Values?
When measuring input signals of distorted waves, signals that are DC-offset or signals that include superimposed harmonic components, will result in different values for power factor and phase angle than those expected w...
item: 1263 | http://tmi.yokogawa.com/tw/service-support/faqs/1263/
Why Can't I Save the WT Settings for the WT500, WT1800, or WT3000 When Using WTViewer?
The WTViewer Save Setting feature will only save the setting information of the WTViewer. The Save Setting feature will NOT save the setting information of the instrument. The saved file for the WT500, WT1800 or WT3000 ...
item: 905 | http://tmi.yokogawa.com/tw/service-support/faqs/905/
What is the Difference Between Type1 and Type2 With Regards to Reactive Power, Apparent Power, and Other Formulas?
Selecting formulas for calculating apparent power and reactive powerThere are several types of power—active power, reactive power, and apparent power. Generally, the following equations are satisfied:Active power P = UIc...
item: 1231 | http://tmi.yokogawa.com/tw/service-support/faqs/1231/
What is the maximum size of ATA Flash Card we can use with the WT3000?
What is the maximum size of ATA Flash Card we can use with the WT3000? The maximum size of the card to save data is 16GByte. The maximum size of the card used for firmware updating procss is limited to 256MByte.(A la...
item: 1407 | http://tmi.yokogawa.com/tw/service-support/faqs/1407/
Is the DA Output Terminal Connected to the Case of the WT Series Power Analyzer?
The WT3000 D/A output terminal is electrically isolated from the case. For all other models, the D/A output terminal is connected to the case. ...
item: 650 | http://tmi.yokogawa.com/tw/service-support/faqs/650/
Why is the Peak Value and Crest Factor Unstable?
The peak value and crest factor may be unstable if they have not been captured accurately. If the peak value is not stable, neither will the crest factor be stable. The cause is the difficulty in capturing the narrow spi...
item: 1264 | http://tmi.yokogawa.com/tw/service-support/faqs/1264/
