
- Test equipment
Current generator with constant current
Full automatic temperature rising and large curren
Small current generator
Large current generator
AC / DC current generator
Intelligent high current
Three-phase current generator
Intelligent three-phase current
The three-phase voltage and current source
Three frequency generator
Fault indicator tester
Fuse tester
Transformer integrative tester
Thermal relay tester
Tester for motor protector
Relay protection tester
High voltage switchgear
Low voltage switchgear
AC and DC voltage tester
DC high voltage generator
DC breaker ampere second characteristic test instr
Power inspection class

DDHL-500 type loop resistance tester is manufactured by the technology of digital circuit and a switch circuit technology, it is for switch control equipment of the contact resistance and the loop resistance measurement of special equipment; the test current of the recommended national standards GB763 100A DC, under the condition of current of 100A directly measured loop resistance and contact resistance, and with digital display, the instrument measuring accuracy, stable performance, suitable for power, power supply departments on-site maintenance of high voltage switch and high voltage switch factory loop resistance test requirements.


1, measurement range: 1-8000.000 resolution: 0.001 ohms.
2, measuring the current: DC 100A, 200A, 300A, 500A
3, accuracy: class 0.5
4, display mode: six and a half LCD LCD display
5, working way: continuous
6, power: AC220V/50HZ
7, volume (length * width * height, 470 x 280 x 210 mm)
8, weight: 14Kg