top of page
CR.400A
Introduction to the CR.400A:

  • Contact resistance tester output DC 400/300/200/100A/50A current to test the contact resistance of circuit breaker or high current cable contacts.

​

  • It is designed according to IEC62271.

​

  • The main application being the measurement of circuit breaker contact resistance.

​

  • All the test results can be printed by the micro-printer which is integrated in the tester.

​

  • Also all the saved test results can be uploaded to PC and converted to MS WORD document.

Included accessories

  • CR.400A Tester 1 unit

  • 8m test cable 1 set

  • Power supply cable 1 unit

  • Disk 1 unit

  • Instruction manual 1 unit

The CR.400A
Technical Specifications

Measurement range

  • 0–1999.9 μΩ

​

Resolution

  • 0.1 μΩ

​

Test current

  • DC 400 / 300 / 200 / 100 / 50A

​

Maximum error

  • < 0.5 %RDG + 0.05%FS

​

Display mode

  • LCD touch screen

​

Save

  • No more than 100 groups of data

​​​

RS232

  • Computer interface

​

Rated power supply

  • AC220V

​

Size

  • 450 × 250 × 350mm

​

Environment temperature

  • -10℃ to +40℃

​

Relative humidity

  • < 80%

​

Weight

  • < 12kg

​

Features

  • High Current Contact resistance measurement

  • Built in printer for onsite test results

  • Upload data to PC via USB

  • Light weight and portable

  • Easy to operate for the touch screen

bottom of page