Yokogawa CA71 Handy Calibrator

Overview Yokogawa CA71 Handy Calibrator

The Yokogawa CA71 Handy Calibrator is a compact and high-accuracy field calibrator designed for maintenance, troubleshooting, and calibration of process instruments. Manufactured by Yokogawa, the CA71 is built to simplify daily calibration work by combining signal generation and measurement in a single handheld device.

With its intuitive rotary switch operation, lightweight design, and built-in loop power supply, the CA71 helps technicians perform fast and reliable checks on transmitters, sensors, and control equipment directly in the field.

Features and Performance

- Simultaneous Signal Source & Measurement
Generate and measure signals at the same time, eliminating the need for multiple instruments.
- Loop Power Supply Function
Provides 24 V DC loop power for transmitter testing and calibration.
- AC Voltage Measurement
Measures AC voltage, including power supply voltage, without requiring a separate multimeter.
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Multiple Output Functions

- 4–20 mA step output
- Divided output (n/m) for easy percentage-based testing
- Autostep function (10% or 25% increments)
- Sweep function with selectable timing (16 or 32 seconds)

- Memory Function
Store and recall up to 50 sets of source and measurement values, improving workflow efficiency.
- Temperature Monitoring (CA71)
Supports thermocouple and RTD signal handling for temperature-related applications.
- Smooth & Safe Operation
Rotary switches reduce operator error and make operation fast and intuitive.

Why You Should Buy it

- Combines signal generation and measurement in one compact tool
- Ideal for field maintenance and troubleshooting
- Built-in loop power supply reduces extra equipment
- Easy-to-use rotary controls minimize mistakes
- Lightweight and portable for daily use
- Trusted Yokogawa reliability for industrial environments