The FNIRSI SG-004A Signal Generator is a high-performance testing and calibration device designed specifically for the industrial control industry. Built to handle a wide range of working conditions, it combines powerful functionality, stable design, and simple operation in one compact unit.
This versatile instrument supports voltage, current, frequency, thermocouple, and other signal modes for both signal output and input, making it ideal for field calibration, troubleshooting, and system commissioning. With high accuracy (0.2% error), real-time curve visualization, and historical data recording, the SG-004A delivers reliable performance for professional industrial applications.
Equipped with a 2.4-inch full-colour TFT display, programming mode, MODBUS communication, and independent 24V power supply support, this device offers advanced control and monitoring capabilities. Firmware upgrades ensure long-term usability and continuous feature enhancement.
Key Features:
- High accuracy with 0.2% error
- Engineering quantity and signal value display
- Real-time curve viewing and historical record storage
- 2.4" TFT full-colour HD display with backlight
- Supports voltage, current, frequency, thermocouple & more (input/output)
- Independent 24V power supply support
- Programmable operation modes
- MODBUS communication protocol
- Firmware upgrade support
- Stable, industrial-grade design
Specifications:
- Frequency Range: 0Hz - 10kHz
- Resolution: 5 digits (0.001mA)
- Current Range (Active/Passive): 0 - 24mA
- Voltage Range: 0 - 24V
- Millivolt Range: -10 - 100mV
- Frequency Input Range: 0 - 9999Hz
- Input / Thermal Resistance: 0 - 400
- Power Supply: 3000mAh Lithium Battery (up to 24h standby)
- Charging Interface: USB Type-C
- Display: 2.4" TFT Full-Colour LCD
- Certification: CE
The FNIRSI SG-004A is an all-in-one industrial signal generator and calibrator, ideal for process control, maintenance, automation systems, and industrial testing professionals who require accuracy, reliability, and flexibility in a portable device.
What's in the box
1 x FNIRSI SG-004A Multi-functional Signal Generator
1 x USB Charger
4 x Alligator Test Clips
1 x Type C Cable
1 x User Manual
1 x Packaging Box
