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product - YOKOGAWA-TEST-AND-MEASUREMENT - Digital Multimeter

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The Yokogawa CA450 Process Multimeter is a portable test instrument to combine a digital RMS multimeter and a loop calibrator to give process technicians the same functionality in one 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. Process technicians can now do the same job while carrying less equipment.


# Pressure transmitter Loop check function ・Supplies 24 VDC power to the transmitter, and measures mADC
output ・Precisely measures instrumentation signals: DC mA
0.05%/30.000 mA

#As transmitter Simulator
Transmitter simulator ・With the CA450, transmitter I/O can be checked (simulated) by drawing in designated currents (SINK) from the external voltage generators (distributors) of your instrumentation.

# Panel meter inspection
Connection, reproducibility test, error test ・420 mA
sweep (SLOW 15 s/FAST 40 s) ・Zero point adjustment of a suppressed meter ・Step function for checking error at each point

Feature :

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


Standard Accessories

4 AA Batteries
Test Leads
Test Cable
2 Fuses
Instruction Manual