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Specifications

GDHL Series Low Resistance Test Set: 
Measuring range:100~600A 
save 100 groups of data at most 
upload to PC through RS232 
 

Product Description

GDHL Series Low Resistance Test Set

1.1 General introduction

GDHL Series Low Resistance Test Set adopt digital circuit technique and the switches circuit technique creation and is a special instrument used for the contact resistance measurement and

the line loop resistance measurement of switch control equipments.

The test current adopts 100 A direct current recommended by the national standard GB763 and can directly measure the line loop resistance or contact resistance under the circumstance of the 100 A,200A,300A,400A,500A or 600A current, and direct manifestation. It also can save 100 groups of data at most in the instrument and upload to PC through RS232 interface.

GDHL Series Low Resistance Test Set has accuracy measurement, stable function and is suitable for electric power and power supply sector to maintain high voltage switch on the spot and test the line loop resistance in the high voltage switch factory.

1.2 Funtion

1 1 minute standard test

2 Rapid test

3 Result print

4 Upload data to PC

1.3 Main technique index:

1. Measuring range: 0-1999.9 μΩ   Resolution: 0.1 μΩ

2.Measuring current: DC 200A or 100A can be choosed.

3.Measuring precision:0.5 class

4.Display mode: LCD

5.Save 100 groups of data

6. Work method: succession

7. Rated power supply: AC220V

8. Temperature:-10 °C~+40 °C Relative humidity<80%

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