DDHL-300 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: 1-4000.0 resolution: 0.1 ohms.

2, measuring current: DC 100A, 200A, 300A

3, measurement accuracy: 0.5

4, display mode: six and a half LCD LCD display

5, working way: continuous

6, power: AC220V/50HZ

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

8, weight: 12Kg