HZ-3140& Transformer& DC& Resistance& TesterIntroduction:& DC& resistance& of& the& transformer& will& test& the& project& of& a& transformer& manufacturing& semi-finished& products,finished& appearance& test,installation,Website:http://www.electric-test.com,& testing& and& transfer& of& power& sector& preventive& trials& ,& which& can& effectively& find& the& transformer& coil& selection,& welding,& loose& joints,& missing& stocks,& disconnection& and& other& manufacturing& after& the& existence& of& hidden& defects& and& running.Functions& and& Features●Large& output& current,& wide& measuring& range,& small& size,& light& weight,& simple& operation●High& test& speed,& high& precision,& retest& good,& strong& anti-jamming& capability●With& perfect& protection& circuit,& high& reliability●With& discharge& audible& alarm& function,& clear& discharge& instructions& ,& to& reduce& misuseTechnical& ParametersOutput& currents& & & & 20A& & 10A& & 5A& & 2A& & 1AMeasure& range& & & & & 20A:& & 100υΩ~1Ω& & 10A:& & 500υΩ~2Ω& & & & & & & & & & & & & & & & & 5A:& & & 1mΩ~4Ω& & & & 2A:& & 2mΩ~10Ω& & & & & & & & & & & & & & & & & 1A:& & & 5mΩ~20ΩResolution& & & & & & & & 0.1υΩ& & & & & & & & & & & Accuracy& & (0.2%+2字)Dimensions& & & & & & & 370mm×235mm×225mmInstrument& weight& & & 12kgConditions& of& UseAmbient& temperature& & & -10℃ ~50℃Humidity& & & & & ≦85%RHPower& Supply& & AC220V10%Power& frequency& & & 501Hz