FNIRSI® SG-002 Signal Generator & Calibrator 0-24mA 0-12V

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FNIRSI® SG-002 Signal Generator & Calibrator 4-20mA 0-10V The FNIRSI® SG-002 Signal Generator & Calibrator is a compact handheld source designed for working with standard industrial analog control signals. It provides an adjustable voltage or current output that can be connected to controllers, indicators, transmitters, and automation equipment during setup or maintenance. Its front digital display gives a clear numerical reading while the rotary encoder allows direct, controlled signal adjustment. The instrument is especially useful when a technician needs to simulate a sensor or process signal without operating the complete system. By generating common ranges such as 0–12V and 0–24mA, it helps users observe how connected equipment reacts across its operating span. Voltage and current modes are selected from the front panel, while configurable display and adjustment settings support convenient bench or field operation. The SG-002 accepts external DC power, micro-USB power, or an optional internal rechargeable battery, providing flexibility for workshops, laboratories, control panels, and on-site servicing. Its compact enclosure, removable terminal connection, stored output setting, and selectable coarse or fine adjustment make it suitable for repeatable testing tasks. It offers a practical way to check signal paths, verify scaling, calibrate analog inputs, and support troubleshooting in industrial electronic and automation systems during regular technical service work. Features: Generates adjustable voltage and current control signals. Supports commonly used industrial analog signal ranges. Switchable voltage and current operating modes. Suitable for active and passive current-loop connections. Rotary encoder for quick and controlled output adjustment. Selectable coarse and fine adjustment modes. Saves the selected output value for the next startup. Supports actual-value, percentage, and frequency-style display modes. User-adjustable display brightness. Output calibration settings for improved accuracy. Clear four-digit digital display. Dedicated voltage and current status indicators. Removable terminal block for convenient wiring. Multiple power-supply methods for workshop and field use. Compact and portable enclosure. Suitable for testing equipment without operating the complete system. Specifications: Specification Details Product Type: Voltage and Current Signal Generator / Calibrator Brand: FNIRSI® Model: SG-002 Voltage Output Range: 0–12V Adjustable Selectable Voltage Modes: 0–10V, 2–10V, 0–5V, 1–5V, 0–3.3V Voltage Resolution After Calibration: 0.01V Maximum Voltage Output Current: 24mA Current Output Range: 0–22mA Adjustable Selectable Current Modes: 0–20mA, 4–20mA, 0–24mA Current Resolution After Calibration: 0.01mA Maximum Current-Loop Load: ≤500Ω Display Type: Four-Digit Digital Display Display Decimal Places: Two Decimal Places Display Modes: Actual Value, Percentage 0–100.0, and 50Hz Display Adjustment Control: Rotary Encoder with Push Confirmation Encoder Resolution: 30 Pulses per Revolution Adjustment Modes: Coarse Adjustment and Fine Adjustment Display Brightness: 8 Adjustable Levels External DC Power Input: DC 15–30V External DC Power Consumption: 1W Without Charging / 5W While Charging USB Power Input: Micro-USB 5V USB Input Current: 0.2A Without Charging / 1A While Charging Optional Internal Battery: 3.7V, 1100mAh Lithium Battery Maximum Battery Charging Current: 0.8A Power-Supply Methods: External DC, Micro-USB, or Optional Internal Battery Output Connections: AVo, AIo, AI+, 24V, and GND Terminals Connection Type: Removable Screw Terminal Block Current-Loop Wiring: Active and Passive Connections Output Value Memory: Supported Product Dimensions: Approximately 70 × 90 × 27mm Power Switch: Built-In On/Off Switch Applications: PLC Analog Input Testing. Industrial Process Calibration. 0–24mA Current-Loop Simulation. 0–12V Control-Signal Simulation. Inverter Testing. Variable-Frequency Drive Testing. Servo System Testing. Valve Positioner Adjustment. Analog Panel Meter Testing. Industrial Controller Testing. Sensor Signal Simulation. Control Panel Commissioning. Automation System Troubleshooting. Laboratory Equipment Testing. Electrical Maintenance. Instrument Calibration. Package Contents: 1x FNIRSI® SG-002 Signal Generator & Calibrator 0-24mA 0-12V