a quality electrical measuring instrument manufacturer from China

Category of DUOYI products

Multi Function Tester

tester with earth resistance measurement, insulation resistance measurement, phase rotation check, voltage measurement

Earth Resistance Tester / Earth meter / Ground meter

earth resistance testers, earth meter, Clamp-on Ground Resistance tester, ground resistance clamp meter

Gas Tester / Gas Detector / Gas Monitor

Gas detectors, Gas meters, Gas Monitors, Gas testers manufacturered by DUOYI.

Insulation Resistance Tester / Megohmmeter

Insulation resistance tester, Megohmmeter.

Socket Tester RCD

socket tester RCD

Clamp leaker

clamp leaker, clamp leakage current tester

Phase Detector

non contact phase detector

Transistor Tester

Transistor tester for crystal diodes, audions, capacitors, silicon controlled rectifiers(SCR), field effect transistors(FET) and much more.

Automotive Tester

automotive tester, automotive multimeter, tools for automobile repair and diagnosis

RCD(ELCB) Tester

Residual Current Device (RCD / ELCB) Tester

LCR Meter

LCR meters, resistance capacitance inductance

Multimeter

Auto range multimeter, digital multimeter, analog multimeter

DC Bridge

DC bridges, DC wheatstone bridges, DC resistor bridge, DC double bridge, DC resistance bridge, DC resistor box

Accessories

test probe, test lead, testing and measuring accessories.