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Gas Insulated Circuit Breaker TesterWith the development of society, people have higher and higher requirements for the safety and reliability of electricity use. High-voltage circuit breakers are responsible for the dual tasks of...
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High Current DC Loop Resistance TesterThe operation panel of this instrument adopts an ergonomic design that conforms to operating habits. It adopts high-frequency switching power supply and digital circuit technology, and is suitable...
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200A Bluetooth Contact Resistance TesterContact Resistance Tester is a professional high-current micro-ohm measuring instrument developed in compliance with DL/T845.4—2004 and JJG1052-2009 industry standards. Equipped with 5 gears of...
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Upgraded Circuit Breaker AnalyzerThis instrument is a special circuit breaker analyzer developed by our company which aims to meet the needs of various high-voltage switch operating characteristics tests. It can accurately...
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300A Contact Resistance Tester1. The three-phase CNC sine inverter power supply output has soft start and soft stop functions, so the testing speed is fast and the accuracy is high.
2. Three phase transformer,... -
Standard Contact Resistance Tester1. The four-terminal wiring method effectively eliminates the influence of the resistance of the test line on the test results
2. High test current
3. The test current is from a... -
100A Contact Resistance TesterContact resistance meter is a professional loop resistance testing instrument tailored for switch control equipment. Adopting high-frequency switching power supply and digital circuit technology,...
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Bluetooth 100A Contact Resistance Tester1.Measurement range: 0-250mΩ
2.Minimum resolution: 0.001 μ Ω
3.Measurement accuracy: ± (reading × 0.5%+1 μ Ω)
4.Test power supply: constant current limited voltage,... -
600A Contact Resistance Tester1. Large current: This contact loop resistance tester can realize sustainable output test current from a constant current source, which overcome the malpractice of instantaneous current of the...
WebPerforming this test adds little time to already planned circuit breaker tests and provides a picture of the arcing contacts inside your breaker without having to pull the gas out and...
WebPerforming Timing Tests is the best way to: • Verify the control circuit • Check motion of the moving parts • Validate time of operation – verify manufacturer specs • Determine...
WebCircuit Breaker Testing is utilised to test the operation of each switching systems and the programming of the entire tripping structure. Circuit Breaker Testing is essential to...
WebPerform dielectric, timing & motion, and partial discharge testing with Doble’s diagnostic test equipment. From the M4100 and M7100 analyzers, the TDR-series and its range of...
Webrole, circuit breakers are periodically tested. One of the most successful test methods was the timing test, which consists of measuring the mechanical operation time of the...
WebIt is also obvious that the test results from the timer for circuit breaker require additional information, such as identification of the breaker tested, substation, brand, serial number,...