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High Quality Power Transformer Winding DC Resistance Tester Current Transformer1
Instrument BoxResistance MeterDC Resistance Tester
Xian XZH Electric Power Technology Co., Ltd.
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Product Description Product DescriptionTransformer DC resistance is a must-test item in transformer manufacturing for semi-finished products, finished products, factory test, installation, overhaul, after changing the tap changer, handover test and preventive test in the power sector. You can check the welding quality of the winding joints and whether the windings have short-circuits between turns. You can check whether the contact of each position of the voltage tap switch is good, whether the actual position of the tap changer matches the indicated position, and whether the lead wire is broken. Whether there is stock breakage, etc. In order to meet the needs of rapid measurement of transformer DC resistance, the transformer DC resistance tester developed by our company.The instrument adopts a brand-new power supply technology, which has the characteristics of small size, light weight, large output current, good repeatability, strong anti-interference ability, and perfect protection functions. The whole machine is controlled by a high-speed single-chip microcomputer, with a high degree of automation, with automatic discharge and discharge alarm functions. The instrument has high test accuracy and easy operation, which can realize rapid measurement of transformer direct resistance. Product ParametersItemTechnical indicators and parametersRemarksTest currentAUTO,<20mA,40mA,200mA,1A,5A,10A Measuring range and accuracy0.5mΩ~0.8Ω (10A)1mΩ-4Ω (5 A) 5mΩ-20Ω ( 1 A)100mΩ-100Ω (200mA)1Ω-500Ω (40mA)±(0.2%+2 readings) 100Ω-100KΩ (<20mA)±(0.5%+2 readings) Minimum resolution0.1μΩ DisplaySeven-inch touch color LCDResistance display effective digits are 4 digitsData storage1000groups Working environmentAmbient temperature:0oC~40oC Relative humidity: <90%RH,No condensation Power supplyAC 220V±10V,50Hz±1 HzFuse 2AMaximum power consumption200W Dimensions360*290*170(mm) WeightHost:6 KG Wire box:5 KG Company Profile
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