Yokogawa CA450 Process Multimeter

 

CA450 Process Multimeter / Calibrator
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! ideal for checking the operation of field devices and maintenance of electrical equipment. Similar to the Fluke 787 & Fluke 789.

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

Product Tags: #Process Multimeter #Yokogawa CA450 #Alternative to Fluke 789

Applications

  • Operating check, adjustment for valve and positioner
  • 4–20 mA step/Auto-step/sweep output applications
  • AC/DC current measurement (sensor mode)
  • 2-wire transmitter loop check (mA LOOP POWER) and simulator (20 mA SINK)
  • Power supply peak-to-peak measurement
  • Panel meter inspection

pdf_sml    Yokogawa CA450 Datasheet

pdf_sml    Yokogawa CA450 User Manual

    Yokogawa CA450 Application Note

 

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Yokogawa CA450 Process Multimeter Features:

Loop Power and 4 to 20 mA Output function in a DMM

  • Loop check functions
  • Simultaneous 24 V loop power and mA measurement
  • HART/BRAIN mode setting with loop power (Adds 250 ohm resistance internally
  • 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 the peak voltage measurement of DCS power supply– Dedicated sensor modes for direct reading of many sensor signal types
  • Enhanced Safety—helps eliminate electric shocks
    – Current terminal shutter prevents incorrect connections
    – 1 A or more of AC/DC current can be read directly using the optional clamp probe and scaling in SENSOR mode.*1
    – Measurement categories 600 V CAT. IV, 1000 V CAT. III
  • Linking with a PC
  • DMM Communication Package can be used to save and
  • Loop check function
  • Span generation function
  • Step generation function
  • Sweep generation function
  • AC/DC Current measurement (SENSOR mode
  • Transmitter simulation function
  • Similar to the Fluke 787 & Fluke 789

Yokogawa CA450 Process Multimeter Specifications:

Specifications Accuracy and Range
DC voltage 0.09% rdg+1 dgt6

00.0 mV to 1000 V
Current voltage (true rms value) 0.5% rdg+5 dgt

600.0 mV to 1000 V

(45 to 500 Hz)
DC current (mA) 0.05% rdg+2 dgt/30.000 mA
0.05% rdg+2 dgt/100.00 mA
Impedance 0.2% rdg + 1 dgt

600.0Ω to 60.00 MΩ
Frequency 0.005% rdg + 1 dgt199.99 Hz to 19.999 kHz
Diode test 1% rdg + 2 dgt

2.000 V
Continuity Beeps under 50 ±30Ω
Display update rate (times/sec.) 2.5 to 5
Data hold
Peak hold (DCV)
Standard deviation
Max/min
DC current (mA) 0.05% to span of 20.000m

A0.001mA to 25.000mA, Max. load 28 V
Simulate (Sink) 0.05% to span of 20.000mA

0.001mA to 25.000mA, Ext. power 15 to 48 Vdc
Loop power function 24V with 250Ω resistance ON/OFF function
Auto-step
Auto-sweep
Step (manual)
Safety standard EN61010/1000VCAT III, 600VCAT IV
Communication (optional) IR-USB
Backlight

CA450

Current terminal shutter

prevents incorrect

lead connections

Specifications Accuracy and Range
DC voltage 0.09% rdg+1 dgt6 00.0 mV to 1000 V
Current voltage (true rms value) 0.5% rdg+5 dgt 600.0 mV to 1000 V (45 to 500 Hz)
DC current (mA) 0.05% rdg+2 dgt/30.000 mA
0.05% rdg+2 dgt/100.00 mA
Impedance 0.2% rdg + 1 dgt 600.0Ω to 60.00 MΩ
Frequency 0.005% rdg + 1 dgt199.99 Hz to 19.999 kHz
Diode test 1% rdg + 2 dgt 2.000 V
Continuity Beeps under 50 ±30Ω
Display update rate (times/sec.) 2.5 to 5
Data hold
Peak hold (DCV)
Standard deviation
Max/min
DC current (mA) 0.05% to span of 20.000m A0.001mA to 25.000mA, Max. load 28 V
Simulate (Sink) 0.05% to span of 20.000mA 0.001mA to 25.000mA, Ext. power 15 to 48 Vdc
Loop power function 24V with 250Ω resistance ON/OFF function
Auto-step
Auto-sweep
Step (manual)
Safety standard EN61010/1000VCAT III, 600VCAT IV
Communication (optional) IR-USB
Backlight

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