FNIRSI SG-003A Multifunction Signal Generator & Calibrator

Engineered for field technicians and industrial engineers, the FNIRSI SG-003A delivers precision signal generation and process calibration in a compact, portable form. It’s the ultimate tool for PLC, DCS, sensor, and valve debugging — built for reliability, versatility, and long-term use.

⚡ Key Features

• Portable & Lightweight Design: Weighs only 165g, ideal for on-site operation and maintenance tasks.
• Long Battery Life: Built-in 3000mAh lithium battery with Type-C charging, up to 26 hours of standby time.
• High-Accuracy Output: Voltage and current output precision up to ±(0.1% + 0.005) for accurate calibration.
• Versatile I/O Functions: Supports active/passive current output, voltage input/output, and 24V loop power.
• Real-Time Monitoring: 2.4" TFT color LCD displays live voltage/current waveforms at 10 frames/sec.

⚙️ Detailed Specifications

🔧 Special Functions

• Auto Output Modes: Single-rise, single-fall, or looped operation for efficient signal testing.
• Signal Conversion: Supports voltage-to-current and current-to-voltage conversion.
• Custom Output Ranges: Define upper/lower limits for precise simulation control.
• Real-Time Graphing: Displays live waveform data for easy signal monitoring.

🧩 Hardware Specifications

• Model: SG-003A
• Display: 2.4" TFT Color LCD (240×320 resolution, adjustable brightness)
• Power Supply: 3.7V 3000mAh rechargeable lithium battery (Type-C 5V input)
• Dimensions: 92 × 72 × 30 mm
• Weight: 165 g
• Protection: Reverse polarity and overcurrent protection (up to 30V)

📦 Package Includes

• 1 × FNIRSI SG-003A Signal Generator
• 4 × Alligator Test Clips
• 1 × Type-C Charging Cable