Yokogawa CA71 Multi Function Portable Calibrator


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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.

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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

Weight 1 kg

Yokogawa Test & Measurement Corporation



SOURCE unit response time

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

SOURCE unit voltage limiter

Approximately 32 V

SOURCE unit current limiter

Approximately 25 mA

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 function

Approximately 10 minutes (auto-power-off can be disabled through a DIP switch setting)

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

Operating temperature and humidity ranges

0 to 50 °C, 20 to 80% RH (no condensation)

Storage temperature and humidity ranges

-20 to 50 °C, 90% RH or less (no condensation)


Please refer the attachement below for additional information

Power Supply

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

Battery life

Measurement off, output 5 V DC/10 kΩ or greater( Approximately 40 hours), Simultaneous signal generation/measurement, output 5 V DC/10 kΩ or greater ( Approximately 20 hours ), Simultaneous signal generation/measurement, output 20 mA/5 V( Approximately 12 hours) (using alkaline batteries, with backlight off)


190 × 120 × 55 mm


Approximately 730 g (including batteries)

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Yokogawa CA71 Multi Function Portable Calibrator


(GST 18% Exclusive)

Add to cart