FNIRSI SG-004A Signal Generator & Calibrator 4-20mA 0-24V
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Prices updated: 13 Oct 2026
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About this product
A signal generator and calibrator that simulates 4-20mA current, 0-24V voltage, PWM and thermocouple signals. It is used to test and calibrate process-control inputs, PLCs, data loggers and sensor interfaces without connecting a real sensor.
Specifications
- Current output
- 4-20 mA
- Voltage output
- 0-24 V
- Simulated signals
- Current, Voltage, PWM, Thermocouple
Frequently asked questions
What is the 4-20mA output used for?
The 4-20mA output simulates a standard industrial current loop signal, so you can test 4-20mA inputs on PLCs, indicators and data loggers.
Can it simulate a thermocouple?
Yes, the product includes a thermocouple simulation function. Check the manual for the supported thermocouple types before connecting it to your instrument.
