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Process Multimeter CA450 – Yokogawa


The Yokogawa CA450 integrates the functionality of a loop calibrator with a digital multimeter. The 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 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.

Loop Power and 4 to 20 mA Output function in a DMM. From daily inspection to troubleshooting of measurement instruments—all in a single unit!

Loop Check Functions:

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

Generation Functions:

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

Measurement Functions:

  • High accuracy DC mA measurement  0.05%
  • Handheld DMM functions – DCV, ACV, ohms, frequency
  • Peak/Hold function for DCS power peak-to-peak measurement
  • Dedicated sensor modes for direct reading of many sensor signal types
Multimeter CA450 Specs

Catalog-Page-142a                 CA450-Datasheet

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CA450-E/TEProcess Multimeter
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