FNIRSI® SG-002 Signal Generator & Calibrator 4-20mA 0-10V (Current & Voltage Generator)

FNIRSI® SG-002 Signal Generator & Calibrator (4-20mA / 0-10V)

The FNIRSI SG-002 is a compact and portable signal generator designed for producing and simulating both current (mA) and voltage (V) signals. It is ideal for testing, commissioning, troubleshooting, and calibration of PLCs, controllers, sensors, transmitters, and industrial automation systems. With support for 4–20 mA current loops and 0–10 V voltage output, it is a versatile tool for field engineers and technicians.

Key Features

• Dual output mode: current (0–22 mA) and voltage (0–10 V).
• High precision output with 0.01 mA and 0.01 V resolution.
• Suitable for testing PLC analog inputs, sensors, transmitters, and control systems.
• Portable handheld design, lightweight and easy to carry.
• Adjustable digital display with 4-digit accuracy.
• Memory function to store and restore the last output value.
• Safe and simple wiring via terminal connectors.
• Multiple power supply options: DC 15–30 V, USB 5 V, or built-in lithium battery (model dependent).

Technical Specifications

• Output Voltage: 0–10 V (some modes up to ±12 V)
• Voltage Accuracy: 0.01 V
• Max Output Current (Voltage Mode): 20 mA
• Output Current: 0–22 mA (some variants up to 24 mA)
• Current Accuracy: 0.01 mA
• Maximum Load (Current Mode): ≤ 500 Ω
• Display: 4-digit digital display with adjustable brightness
• Power Supply: DC 15–30 V / USB 5 V / optional 1100 mAh lithium battery
• Dimensions: approx. 89 × 69 × 28 mm
• Material: ABS plastic
• Color: Black

Typical Applications

• Calibration and testing of PLC analog I/O
• Simulating 4–20 mA transmitters and 0–10 V sensors
• Industrial automation maintenance and troubleshooting
• Laboratory and R&D electronic testing
• Field service and commissioning tasks