1895 - First insulation test set invented by Sydney Evershed 1903 - Megger trademark registered 1923 - First multimeter with Amps, Volts and Ohms (AVO) 1965 - First low-weight tan delta/power factor insulation test set 1980 - First transformer ohmmeter with tap-changer discontinuity detection 199...
1. The instrument provides 7-gear output current selection and an automatic gear, with a maximum output of 10A current 2. It is applicable to inductive test objects such as transformer, mutual inductor, reactor, generator, motor, etc., and can also ...
Good Repeatability Transformer DC Resistance Testing Equipment Meter Winding Resistance Tester US$550.00-750.00 / Piece Jh2810 Inductive Load Transformer Test Equipment Multimeter DC Winding Resistance Tester US$550.00-750.00 / Piece Jh281...
for Power Frequency Magnwtic Field Simulators JJF1737 1μF～5μF(4kHz～ 10kHz) 1A/m~300A/m 0.3A~350A Urel=0.3% Urel=5% Urel=3% *Instrument Ratio 23 forTransformerTes Difference V.R. of JJG169 Transformer Test Set ±0.01%～±100% Urel=0.3% No. CNAS L1075 The scope of the ...
US$6,500.00-16,000.00 / Set GF6018A Clamp Type Multimeter Calibrator US$3,500.00-7,800.00 / Piece Product Groups Product Catalogs Meter Test Equipment Relay Test Set Transformer Test Circuit Breaker Testing Electrical Calibrator Power quality analyzer Power Sour...
Huazheng Manufacturer 200A circuit breaker switch loop contact resistance tester Supplier's reply: Thank you very much for your positive evaluation. Your recognition of our products is the driving force for us to move forward. We will always provide you with the best products and the best servic...
品牌 Lixian 型号 HZ-1007E 产品名称 台式胶带剥离强度拉伸试验机 最大负载 1KN 单位 公斤,N,磅,吨可以交换。 准确等级 0.5级 测量精度 值± 1%/值 ± 0.5% 有效测量范围 力从0.2% 到100%/从0.4% 到100% 测试仪分辨率 最大负载1/200000,恒定的分辨率 ...
This check occurs inside transformers, at disconnects on meter panels, on the pole to verify overhead service, on overhead transformer banks, and in vaults to verify at the last disconnect point prior to feeding that source to the customer. The utility maintenance chief has developed a ...
a thousand and even until today I still train students from various big corporation. So if you’re thinking about learning how to test electronic components with a multimeter and perform electronic repair, one that you can learn from the convenience of your own home, and you’re looking to ...
Gfuve Multimeter Calibration Device Dmm Test Set Clamp Meter Tester US$6,500.00-16,000.00 / Set GF6018A Clamp Type Multimeter Calibrator US$3,500.00-7,800.00 / Piece Product Groups Product Catalogs Meter Test Equipment Relay Test Set Transformer Test Circuit Brea...