FNIRSI SG-003A Multifunction Signal Generator Calibrator

• FNIRSI SG-003A is a compact digital signal and function generator. • Generates sine, square, triangle, and other waveforms with adjustable frequency and amplitude. • Features a digital display for easy parameter monitoring and control. • Suitable for electronics testing, troubleshooting, repair, and laboratory applications. • Ideal for testing amplifiers, circuits, sensors, and electronic components. • Widely used in electronics laboratories, schools, by technicians, and engineers. • Applications include signal testing, circuit development, audio/electronics repair, R&D, and educational experiments.