The FNIRSI SG-003A is a compact, handheld multifunctional signal generator designed for electronic testing, circuit debugging, and industrial calibration. It features a built-in 3000mAh rechargeable battery, 24V external power support, and a full set of signal generation/analysis functions. With CE certification and a rugged, portable design, this device is ideal for field maintenance, laboratory research, and automation system testing, providing reliable signal output and measurement capabilities.
