Let us understand the following matters that need to be noted when the button pull tester is conducting the test.

1, should choose to install in clean, dry, vibration-free and room temperature can be controlled in the (10 ~ 35) ℃ room. And the room should have enough space to ensure that there is more than 70cm of space around the tester for testing and daily maintenance.

2, the installation location will be down to dig a pit, the size than the base of the test machine is longer and wider than 50cm each, the depth is not less than 30cm.
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