FNIRSI SG-003A Portable Signal Generator

(4 customer reviews)


This signal generator is small and lightweight, but has a long standby time and high accuracy.

93 in stock

SKU: 1005002532985861 Category: Tags: , , , ,


This multifunctional FNIRS SG-003A signal generator is suitable for PLC system debugging, inverter testing and valve positioner adjustment, etc. It is an indispensable tool for industrial control engineers. A high-resolution screen with backlight, small size and powerful functions, let’s try it, it won’t let you down.

  • FNIRSI SG-003A signal generator is mainly used for debugging of industrial field PLC, process instrumentation, electric valve and so forth. Friendly operation interface is easy to use.
  • The FNIRSI SG-003A signal generator is small and light but has a long standby time and high precision.Easy to carry when you go out to work.
  • Adjustable button backlight and high-definition TFT colour LCD screen make it more convenient for users to operate at night and during the day

  • Type-C charging port, the indicator light is on while charging, and the indicator light goes off when it is fully charged.
  • Miniature portable size and easy to carry, you can put it in your bag or car and take it with you to any place where you want to use it.
  • Voltage and current have automatic output function, one boost, three modes one drop and cycle can be selected.
  • With input to output conversion, active current voltage conversion mode, passive current conversion voltage mode functions.
  • The output has a custom function, and the upper and lower limits of the output can be set according to your needs.
  • The PWM output can set the frequency and duty cycle respectively, as well as with a real-time curve to monitor voltage and current changes.


Specifications Portable Signal Generator
Signal  Range Precision Resolution Max. Load External Power Supply
Active Current Output 0 – 24 mA ± ( 0.1 % + 0.005) 0.01 mA 750 Ω
Passive Current Output 0 – 24 mA ± (0.1 % + 0.005) 0.01 mA 0 – 30 V
Voltage Output 0 – 24 V ±( 0.1 % + 0.005) 0.01 V
24 V Loop 0 – 24 mA ± (0.1 % + 0.005)  0.01 mA
 Frequency Output 0 – 9999 Hz ± 2 % 5 digits
Current Input 0 – 24 mA ± (0.1 % + 0.005) 0.01 mA
Voltage Input  0 – 30 V ± (0.1 % + 0.005) 0.01 V


Additional information

Weight 0.8 kg

4 reviews for FNIRSI SG-003A Portable Signal Generator

  1. Y***n

    As described. Nice product

  2. F***s

    Very good. Surprised by positive

  3. D***r

    Nicely presented packaging. The unit works well and seems good.

  4. A***a

    Like, excellent product quality, arrived smoothly and quickly even considering the distance of country of origin China

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