Standard resistance, standard battery, DC bridge, potentiometer, DC resistance box, voltage divider box, high resistance box, wire tester, ultra-high resistance meter, loop resistance tester, electrostatic belt tester, surface resistance tester, wood tester, shunt, current sensor, grounding grid tester, battery performance tester, etc.
High-voltage voltmeter, electrostatic voltmeter, voltage tester calibrator, voltage tester current calibrator, voltage tester, high-voltage console, test transformer, pulse high-voltage tester, high-voltage discharge tester, DC high-voltage generator, oil withstand voltage tester, shoe withstand voltage tester, flashover breakdown tester, voltage tester, spark tester, electrostatic tester, test rod, insulating rod, insulating gloves and insulating boots. There is a transformer verification device, which can detect: current transformer, voltage transformer, transformer calibrator, transformer load box, high-voltage power metering box, low-voltage power metering box, variable ratio bridge, variable turns calibrator, coil measuring instrument, etc.
Single/three-phase standard watt-hour meter, single/three-phase watt-hour meter verification device, portable watt-hour meter verification device, single/three-phase induction AC watt-hour meter, single/three-phase electronic watt-hour meter (including ordinary, multifunctional, prepaid, multi-rate and so on. ), on-site verification of on-line watt-hour meter.