FNIRSI SG-003A 4-20mA Process Loop Calibrator & Signal Source

The FNIRSI SG-003A is a compact, high-precision process loop calibrator and signal generator designed for industrial technicians, automation engineers, PLC debugging, valve calibration, instrumentation testing and field service work.

Generate and measure current (0-24mA) and voltage (0-24V output / 0-30V input) with excellent accuracy, plus advanced PWM output and multiple automatic ramp/cycle modes - all on a clear TFT color LCD screen with adjustable backlight.

Key Features & Benefits:

• Active/Passive current output 0-24mA (resolution 0.01mA, max load 750 )
• Voltage output 0-24V (resolution 0.01V, max 30mA) + 24V loop power output
• Current measurement 0-24mA & voltage measurement 0-30V (0.01 resolution)
• PWM output - independently set frequency (0-9999 Hz) & duty cycle
• Automatic output modes - single rise, single drop, linear cycle
• High-definition 240×320 TFT color screen + adjustable button backlight
• Powerful 3000mAh rechargeable lithium battery - up to 26 h standby, 8-10 h continuous use
• Type-C charging, reverse & overcurrent protection (up to 30 V)
• Lightweight & portable (165 g, 92 × 72 × 30 mm) - perfect for fieldwork
• Ideal for PLC debugging, process instrumentation, electric valve testing, loop checking & sensor simulation

What's in the box

• FNIRSI SG-003A Calibrator
• Type-C charging cable
• Test leads / alligator clips (as per standard kit)
• User manual

Upgrade your calibration toolkit with the FNIRSI SG-003A - the professional choice for precision, portability and versatility in industrial signal generation and measurement.

Order now and experience reliable, high-accuracy loop testing and signal simulation every time!

What's in the box
1 x FNIRSI SG-003A Process Calibrator and Signal Source
4 x Alligator Test Cables
1 x Type-C Charging Cable
1 x User Manual