It describes the measure principle of the clamp grounded resister tester, that is, a effective close loop for current flow is necessary when doing the test.
介绍了钳形接地电阻测试仪的测试原理，即在测量时必须要有一个供电流流过的有效的闭合回路。
2
The bottom surface of the clamp arm is connected and fixed with the support arm of the tester by a plurality of screw bolts.
夹具臂的底面通过若干个螺栓与试验机支持臂连接固定。
3
Using cooperated with Pulling Tester, need specification of clamp installing.