FNIRSI SG-003A Auto Signal Generator delivers precision with 0-10V adjustable voltage and 4-20mA current simulation for automotive diagnostics and industrial calibration. Crafted with high-grade ABS housing and corrosion-resistant connectors for durability in harsh environments. Features a compact, lightweight design with a bright LCD display for clear readings in low-light conditions. Ideal for testing sensors, PLC systems, and instrumentation in automotive repair, factory automation, and lab research. Enjoy ultra-precise signal output with ±0.1% accuracy and low ripple noise for professional-grade performance. Includes overload protection and anti-interference shielding for reliable operation near high-voltage equipment. The rotary encoder knob allows swift adjustments while the sturdy metal alloy chassis resists drops and vibrations. Compatible with multimeters, oscilloscopes, and most industrial control systems for versatile troubleshooting. Ships with dual output ports (voltage/current) and a portable carrying case for fieldwork convenience. Backed by full technical support and a 1-year warranty for worry-free purchases.