China Manufacturer Contact Resistance Measurement Parameter Loop Resistance 100A Micro-ohmmeter Tester

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When a high current passes through a pair of mechanically independent metallic contacts, the resistance must be as low as possible. An increase in resistance can lead to additional degradation, as I2R losses will cause local heating of the contact surfaces. Weshine invented range of micro-ohmmeters measure both steady state and dynamic low resistance values. With test currents up to 600 A available, logging and trending are also available on some models. We ensure that our Contact Resistance tests sets are portable, making them suitable for field measurements. Our contact resistance testers’ portability makes them ideal for a vast range of resistance testing across the entire LV, MV HV and EHV spectrum.

The 5201 Series is designed to measure the resistance of circuit breaker contacts, bus-bar joints, contact elements in bus-bars and other high-current links. The testers have been designed with safety, ease of use and versatility in mind.

It can be used anywhere to measure a low resistance value with high accuracy. It conducts true DC ripple free current testing of
bus bars, circuit breakers, fuses, etc.




PRODUCT INFORMATION
Product Name
200 A CONTACT RESISTANCE TESTER

Model Number
VS-5201A
Current Output
50 A, 100 A, 200 A
Test Range
0 to 80 mΩ
Certificates
CE; EMC; LVD; ISO; IEC;

MEASUREMENT 
OBJECTS
* circuit breakers
* disconnecting switches
* busbar connections
* knife-contact fuses
* safety devices
……
Certificates
CE; EMC; LVD; ISO; IEC;
Dimensions
360 x 235 x 270 mm
Weight
8 kg


Recommend Products


VS-5201 SERIES
CONTACT RESISTANCE TESTER
* Test currents up to 600 A
* Auto range: 1 µΩ to 80 mΩ
* Small and weighs less than 16 lbs (8 kg)
* Memory for up to 500 test results
* 0.0001 µohms best resolution
Measurement objects:
* Circuit breakers
* Disconnecting switches
* Busbar connections
* Knife-contact fuses
* Safety devices
……


VS-5201S
HANDHELD 100A 
CONTACT RESISTANCE TESTER
* Up to 100 Amps
* Battery supplied
* Lightweight – 1 kg
* Auto range: 1 µΩ to 2 mΩ
Measurement objects:
* Circuit breakers
* Bus-bar joints
* Other high-current links


VS-5308 SERIES
CIRCUIT BREAKER ANALYSIS SYSTEMS
* Timing test (O, C, OC, CO & OCO)
* Breaker ripples graphs (timing, travel, vibration, current, voltage)
* Output spring charging motor voltage
Optional functions:
* Capable of measuring circuit breakers with graphite contacts (Siemens) — 5308B
* Capable of measuring SF6 circuit breakers (Dual ground testing)— 5308C


VS-PCI SERIES
PRIMARY INJECTION TEST SYSTEMS
* Up to 15000 A output current
* Real-time current display
* Polarity and Turns Ratio automatic measurement
* Compact format
Typical application:
* Primary injection testing of protective relay equipment and circuit breakers.
* Test the turns ratio of current transformers.
* Temperature rise test for various power equipment.



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