FNIRSI SG-003A Signal Generator Calibrator 0–24mA 0–30V PLC Tester

🧪 FNIRSI SG-003A Signal Generator Calibrator 0–24mA 0–30V | AuscomTech

The FNIRSI SG-003A Signal Generator Calibrator is a high-precision, portable instrument designed for industrial signal generation, measurement, and calibration in automation and process control systems.

It supports voltage, current, and PWM signal generation and measurement, making it ideal for PLC debugging, electric valve testing, transmitter calibration, and general industrial instrumentation work. With a high-resolution colour display, flexible output modes, and long battery life, the SG-003A is well suited to both workshop and field service use.

---

⭐ Key Features

🔁 Voltage & Current Signal Generation
Generates standard industrial signals including 0–24mA current loops and 0–24V voltage outputs.

⚙️ Multiple Output Modes
Supports single rise, single drop, and cyclic output modes for automated testing and calibration.

🔌 Active & Passive Current Modes
Handles both sourcing and sinking current loop configurations for maximum flexibility.

📊 High-Resolution Colour Display
240 × 320 TFT LCD provides clear real-time voltage, current, and status readouts.

🎛️ Flexible Limits & Conversion
Customisable upper and lower output limits with input-to-output signal conversion capability.

🔋 Portable & Battery Powered
Integrated 3000mAh lithium battery delivers long operating time for field use.

---

📊 Technical Specifications

Model: FNIRSI SG-003A
Voltage Output: 0–24V
Voltage Input: 0–30V
Current Output (Active): 0–24mA
Current Output (Passive): 0–24mA
Current Input: 0–24mA
Voltage Resolution: 0.01V
Current Resolution: 0.01mA

Voltage Output Accuracy: ±(0.1% + 0.005)
Current Output Accuracy: ±(0.1% + 0.005)
Voltage Input Accuracy: ±(0.1% + 0.05)
Current Input Accuracy: ±(0.1% + 0.05)

PWM Output Frequency: 0–9999 Hz

Battery: 3.7V 3000mAh lithium
Operating Time:
• 8–10 hours continuous use at 20mA
• Up to 26 hours standby

Charging: USB Type-C
Protection: Reverse polarity & overcurrent (max voltage 30V)
Operating Temperature: 0°C to 50°C

Dimensions: 92 × 72 × 30 mm
Weight: Approx. 165 g

---

⚠️ Important Notes

• Designed for signal generation and calibration — not for powering external loads
• Observe correct wiring for active vs passive current loops
• Maximum input voltage must not exceed 30V

---

🧩 Compatible With

• PLC input and output modules
• DCS systems
• Electric valves and actuators
• Industrial transmitters and sensors
• Control panels and automation systems
• Process instrumentation loops

---

⚙️ Typical Applications

• PLC and I/O debugging
• Process control calibration
• Electric valve and actuator testing
• Current loop troubleshooting
• Industrial signal simulation
• Field service and maintenance

---

📦 Package Includes

• 1 × FNIRSI SG-003A Signal Generator Calibrator
• 4 × Test clips
• 1 × USB Type-C charging cable