ST181 Clamp Meter Allinone measurement tool for electrical work: can measure AC and DC voltage, AC and DC current, resistance, and test continuity. Expanded testing capabilities: also tests capacitance, NCV, and resistance (Ohm) for comprehensive circuit diagnosis. precision and reliability: provides accurate voltage and current readings, with a low battery indicator and auto power off to conserve power. Suitable for electrical equipment testing and maintenance. Clear digital display: easytoread results that facilitate quick interpretation and accurate measurements. Use scenarios Installing or servicing electrical panels: verify supply voltage and current to ensure correct operation and safety. Troubleshooting devices: check resistance, continuity, and capacitor capacitance to pinpoint faults. Wiring and safety checks: use NCV to help identify live conductors before handling wiring. Why it stands out: versatile, singletool solution with clampbased current measurement and a digital display that supports efficient fieldwork.