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FNIRSI SG-002 Handheld Voltage & Current Signal Generator (0–10V / 4–20mA)

FNIRSI SG-002 Handheld Voltage & Current Signal Generator (0–10V / 4–20mA)
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FNIRSI SG-002 Handheld Voltage & Current Signal Generator (0–10V / 4–20mA)

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Description

The FNIRSI SG-002 is a compact, rechargeable handheld voltage and current signal generator designed for electrical engineers, automation technicians, and instrumentation professionals who need a reliable portable signal source for on-site PLC testing, calibration, and equipment commissioning. It simultaneously outputs adjustable voltage (0–10V) and current (0–24mA) signals, covering the most common industrial analog signal standards — including the widely used 4–20mA current loop and 0–10V / 1–5V / 2–10V voltage ranges. For electrical technicians and instrumentation engineers working across Karachi’s industrial zones, factories, and power facilities, the SG-002 is an affordable must-have field calibration tool that fits easily in a shirt pocket.

Why Choose the FNIRSI SG-002?

Compared to its more advanced sibling the SG-003A, the SG-002 is a no-frills, entry-level signal generator for technicians who need fast, reliable analog signal simulation without complex menus. Its ability to run from three different power sources — built-in lithium battery, micro USB, or DC 15–30V from a PLC panel directly — means it works in virtually any field situation across Pakistan’s industrial sites, even when no charging point is available. The save-on-power-off function means commonly used signal values are retained between jobs, saving setup time.

FEATURES

  • Outputs adjustable voltage (0–10V) and current (0–24mA) signals simultaneously
  • Selectable voltage output modes: 0–10V, 2–10V, 0–5V, 1–5V, 0–3.3V
  • Current output covers 0–24mA including industry-standard 4–20mA loop signals
  • Three power supply methods: DC 15–30V external (compatible with PLC 24V supply), Micro USB (5V), or built-in rechargeable lithium battery
  • Save function: retains last-used voltage and current values after power-off — no re-adjustment needed on restart
  • 4-digit HD digital tube display with adjustable brightness (8 levels)
  • Rotary encoder with coarse and fine adjustment modes for precise output control
  • Pluggable terminal blocks for safe, convenient field wiring
  • Premium aluminum knob, electroplated buttons, and high-quality build
  • Charging indicator and battery on/off switch
  • Compact and lightweight — ideal for on-site fieldwork

SPECIFICATIONS

  • Voltage output range: 0–12V (selectable modes: 0–10V, 2–10V, 0–5V, 1–5V, 0–3.3V)
  • Voltage resolution: 0.01V
  • Current output range: 0–24mA (includes 4–20mA)
  • Current resolution: 0.01mA
  • Display: 4-digit HD digital tube, brightness adjustable (1–8 levels)
  • Power supply options: DC 15–30V external / Micro USB 5V / built-in Li-ion battery
  • Battery: 3.7V, 1100mAh lithium (rechargeable via Micro USB)
  • Material: Premium ABS
  • Dimensions: approx. 100 × 60 × 25mm (89 × 69 × 28mm per manufacturer)
  • Color: Black
  • Includes: SG-002 unit, detachable terminal strip, Micro USB cable, user manual

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