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Yokogawa CA71 Multi Function Portable Calibrator

KSh 270945

In stock

Yokogawa CA71 Multi-Function Portable Calibrator is a small, lightweight, multi-functional calibrator capable of transmitting and measuring voltage, current, resistance, TC, RTD, frequency, and pulse signals simultaneously.
Applications: Calibration Labs, Electrical, and Electronics industries.

Yokogawa CA71 Multi-Function Portable Calibrator is a comprehensive measuring instrument for all your calibration and equipment checking needs at maintenance sites. The CA71 can instantaneously generate and calculate voltage, current, TC, RTD, and pulse signals; thus, you don’t need to prepare many instruments. For easy handling, the Convenient Calibrator integrates rotary switches. Only open the cover of the carrying case and connect the cables, and you’re ready to take measurements.

Features of Yokogawa Portable Calibrator:

  • The CA71 helps you run routine testing on TCs, RTDs, and various other types of sensors and equipment, and where problem has arisen, operation checks. It will produce input signals for equipment by itself and verify the output signal from the equipment.
  • The CA71 can be used to monitor the input and output signals of each unit while concurrently testing the power supply in situations where various signal converters and other instruments are mounted on rack or column. For calculating the supply voltage, there is no need for separate multimeter.
  • There is divided output function (n m), auto step function, sweep function, memory function, and contact function.
  • For easy handling, the CA71 integrates rotary switches. Just open the carrying case cover and attach the wires and the calculation are ready for you to take.


Additional information


Yokogawa Test & Measurement Corporation

Model No


Voltage Limiter

Approximately 32 V

Current Limiter

Approximately 25 mA

Response Time

Approximately 1 second (time between start of voltage change and when voltage enters accuracy range)

Humidity Range

0 to 50 °C, 20 to 80% RH

Divided output (n/m) function

Output = setting × (n/m) n= 0 to m; m = 1 to 19; n ≤ m

Auto-step output function

n value sent automatically when n/m function is selected (two options: approximately 2.5 seconds/step or approximately 5 seconds/step)

Sweep Function

Sweep time (two options: approximately 16 seconds or approximately 32 seconds)

Memory Function

50 sets of data (generated and measured values are stored as value sets with the same address (up to 50 sets of data can be stored)

MEASURE unit maximum input

Voltage terminal: 300V DC/AC ,Current terminal: 120 mA DC

Current terminal input protection

Fuses: 125 mA/250 V

MEASURE unit ground voltage

Maximum 300 V AC

Measurement display updating rate

Approximately once per second


76 x 88 mm


LED backlight; auto-off after one minute (from when LIGHT key is turned on)

Consumed Power

Approximately 7 VA (using 100 V AC adapter)

Auto Power Off


Insulation Resistance

Across input terminal and output terminal, 500V DC, 50 MΩ or greater

Withstand Voltage

Across input terminal and output terminal, 3.7 kV AC, for one minute


Please refer the attachement below for additional information

Power Supply

Four AA-size (LR6) alkaline batteries, or special AC adapter (sold separately)

Battery Life

Approximately 20 hours


190 × 120 × 55 mm


Approximately 730 g (including batteries)

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Yokogawa CA71 Multi Function Portable Calibrator

KSh 270945

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