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Comparison with two transformer turns ratio tester
Read moreThe following are tuo transformer turns ratio tester: Both have battery inside, so don’t worry about fieled testing. Ⅱ: Specification of the Transformer ratio test : Desk Type: 1 Test Range ratio 0.9～10000 angle 0-360° 2 Accuracy ±0.1%+2 digit 0.9-500 ±0.2%+2 digit 501-2000 ±0.5%+2 digit 2001-10000 3 Angle Accuracy ±0.2° 4 Output Voltage Automatically adjust according […]
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What is DC hipot tester?
Read moreWHAT IS DC HIPOT TESTER ? For medium to high voltage rotating equipment, DC Hipot tests called Step Voltage or Ramp tests are used to see if the start of an insulation breakdown can be detected as the voltage is raised. If a breakdown is starting the test can be terminated before there is an […]
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What is a VLF electrical test?
Read moreVery low frequency (VLF) diagnostic testing is the application of an AC sinusoidal waveform, generally applied at 0.1 Hz or lower, to assess the quality of electrical insulation in high capacitive loads, such as cables.Very Low Frequency testing for Medium Voltage and High Voltage cables is a method for verifying the integrity of the cable insulation. […]
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How to use the oil interfacial tension tester?
Read moreStandard Test Method for Interfacial Tension of Insulating Liquids Against Water by the Ring Method is a widely used standard method to examine the quality of insulating oil. Let’s watch this video and learn how to use the oil interfacial tension tester in lab：