DDHL-300RM 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 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: 1-4000.001 resolution: 0.000001 ohms.

2, measuring current: DC 30-300A

3, measurement accuracy: 0.5

4, display: six digits LCD

5, work mode: continuous

6, power: AC220V/50HZ

7, volume (length * width * height, 470 x 280 x 210 mm)

8, to solve the current situation can only be tested in a fixed resistance under the problem