Process Multimeter CA450

The Yokogawa CA450 Process Multimeter is a portable test instrument that combines a digital RMS multimeter and a loop calibrator, allowing process technicians to efficiently perform their tasks using a single tool. The Yokogawa CA450 provides 24-Volt loop power, reducing the need for carrying a separate power supply when performing transmitter testing. And with its built-in, selectable 250-Ohm Hart resistor, it also eliminates the need for a separate resistor. 

Technicians involved in industrial process maintenance must troubleshoot a variety of instrumentation in the field. This necessitates carrying a wide variety of tools and electrical equipment such as digital multimeters and calibrators/sorucing devices. Individual, single purpose devices may not have the varied functionality needed for equipment validation, in addition to being cumbersome and inefficient to carry. In these situations, a device that can  source, measure, and have PC compatibility would be the perfect instrument for the task. The CA450 Process Calibrator is defined by:

Varied Functionality

  • Source commonly used field instrumentation standards such as loop power, and miliamps DC
  • Measure like a DMM; capture and log current, voltage, resistance, and even DCS power 
  • Step/Sweep outputs for enhanced testing of field equipment
  • PC communication for traferring and saving data

Enhanced Safety

  • Prevent polarity error issues with terminal safeguards to prevent incorrect wiring
  • Conforms to 600V CAT. IV and 1000V CAT III

Features

 

Loop Check Functions

  • Simultaneous 24 V loop power and mA measurement
  • HART mode setting with loop power (250 OHM resistance)

 

Generation Functions

  • SIMULATE (SINK) function simulates transmitters
  • 4-20 mA span/step/auto-step/sweep output

 

Measurement Functions

  • High accuracy signal measurement: DC mA 0.05%/30.000 mA
  • Handheld DMM function
  • Peak/Hold function for DCS power peak-to-peak measurement
  • Dedicated sensor modes for direct reading of many sensor signal types

 

Enhanced Safety - Helps Eliminate Electric Shocks

  • Current terminal shutter prevents incorrect connections
  • Sensor function handles AC load current measurement
  • Meets 600 V CAT. IV, 1000 V CAT. III safety standards

 

Linking with a PC

  • Transfer data to a PC via IR-U

 

Accessories

Standard Accessories

  • 4 AA Batteries
  • Test Leads
  • Test Cable
  • 2 Fuses
  • Instruction Manual

Optional Accessories

  • 1-5V Adapter Set
  • DMM Communication Package
  • Alligator Test Leads
  • Hard Carrying Case
  • Various Current Clamp Probes

 

92015 DMM Communication Package

The application software can use only the measurement function.
(Logging function only)

USB adapter, USB cable and software

93029 Carrying Case

For carrying the CA450, the test leads, and the lead cables

93043-P1 Carrying Case

Carrying case with hanger strap and large size case

96001/751552 Current Clamp-On Probe

Special AC-Input Clamp-on Probes for Large-current Hot Line Measurement

99014 Alligator Test leads

1000 V CAT III, 600 V CAT IV Red Black 1 set

99031 1 to 5 V Adapter Set

250 Ω resister, terminal adapter and leads

99032 Magnet hook

Magnet hook (Maximum weight 1.5 kg)

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