Product Introduction:
When using DC bridge testing contact resistance, current of only mA difficult to find a reduction defect of loop conductor cross-sectional area. When testing high voltage switch conductive circuit contact resistance, due to the effect of oil film and the oxide layer between the contacts, the measured value is several times larger and can not reflect the real value of the contact resistance. GB1984 and IEC62271 have clear requirements for high voltage circuit breaker contact resistance testing. It specifies when testing the circuit breaker loop resistance the test current is not less than 200A, and the closer the test is to the circuit breaker rated operating current, the more reliable the test results will be.
Loop resistance tester uses the new digital switch power supply technology, and can produce 100A DC current output to the circuit breaker tested circuit. It is based on 4 wire method to quickly measure the contact resistance of circuit. Test results are displayed directly on the instrument LCD screen, and all test results can be printed by the built-in micro printer. Test results can also be stored on the instrument memorizer with the maximum storage space up to 100 groups. The test results can also be uploaded via RS232 interface to PC to be stored.

Technical Parameters:
1. Measuring range: 0-1999.9μΩ;Resolution: 0.1μΩ
2.Measuring current: DC 200A≥100A optional.
3. Measurement accuracy: 0.5 grade
4. Display: LCD display
5. Can store 100 groups of data
6. Working mode: Continuous
7. Power supply: AC220V
8. Size: ( L × W × H mm) 420 × 330 × 310
9. Ambient temperature: -10 ℃ ~ + 40 ℃; Relative humidity <80%
10. Weight: 8 kg

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 [Key words: circuit breaker test equipment,contact resistance tester,circuit breaker analyzer,circuit breaker tester,high voltage circuit breaker analyzer, coil test equipment,winding resistance meter,loop resistance tester ... ] 

Packing: standard export wooden case.
Delivery method: Usually delivered by express (TNT, DHL, UPS etc) or air freight, other way are available if you need.

Located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality, Chongqing TOP is a professional leading manufacturer and supplier of oil purifiers and various related testers. We consists of departments respectively for technological development, machinery manufacture, instrument manufacture, quality control etc. On basis of mature development and manufacture technology and highly qualified production management team, the products own high quality, easy operation, excellent performance and lone service life.

TOP Oil Purifiers are widespread in the fields of electric power, petrifaction, mineral, shipbuilding, steel construction, bridge, automobile and railway, playing a great role in reducing energy consumption for clients as well as environmental pollution. We provides you with reliable oil purifiers such as transformer oil purifier, turbine oil purification machine, hydraulic oil purifier, lubricating oil filtration machine, fuel oil restoration, oil and water separator, oil regeneration equipment, waste oil recycling equipment etc.

TOP Testers works on the development, production, market, technical and after-sale service for petrochemical analyzers, transformer substation electrical testing equipment and circuit detecting equipment. Main products are water content testers, surface/interfacial tension testers, flash point testers, kinematic viscosity testers, oil acidity testers, insulation oil dielectric strength testers, transformer characteristics testers, relay protection testers, high voltage testing equipment etc.

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