FNIRSI SG-003A Mini Signal Generator

The FNIRSI SG-003A is a professional handheld signal generator designed for high-precision diagnostics, calibration, and industrial system testing. It combines compact portability with advanced multifunctional capabilities, making it suitable for engineers and technicians working in PLC, DCS, and general instrumentation environments. With ≤0.2% measurement accuracy and rapid one-second result display, it ensures efficient and reliable performance. The 2.4-inch HD screen provides clear parameter visualization with adjustable brightness, while color-coded interface elements simplify operation. The unit supports multiple operational modes, including current and voltage I/O testing, actuator position adjustment, speed simulation, and inverter diagnostics. Real-time waveform monitoring enables detailed signal analysis, improving fault detection and system evaluation.

Performance highlights:
• Measurement accuracy ≤0.2% with fast 1-second response time
• 2.4-inch HD display with adjustable brightness and color-coded modes
• Multi-mode operation including voltage/current testing and actuator control
• Real-time curve monitoring for signal analysis and diagnostics
• Lightweight 165 g design with compact 112 × 82 × 27 mm dimensions
• USB-C charging, silicone grip elements, and up to 24-hour standby mode
• Includes crocodile clips, USB cable, Type-C cable, and user manual