Preparation of "Adhesion Tester" Before Installation
Dongguan Haida Instrument Co., Ltd. 400-071-1808/0769-89280808
　　 ( 1 ) The testing machine should be installed in a clean, dry, vibration-free room that can be controlled at ( 10 to 35 ) °C . And the room should have enough space to ensure that there is more than 70cm space around the testing machine for testing and routine maintenance.
　　 ( 2 ) Dig a pit downwards from the installation location of the testing machine. The dimensions are longer than the base of the testing machine, each width is greater than 50cm , and the depth is not less than 30cm .
　　 ( 3 ) In the pit , concrete with a strength class of not less than C20 shall be poured, and holes for anchoring anchor bolts and pipes for installing circuits and sensors shall be left when the concrete is poured. Leveling leveling for concrete foundations.
　　 ( 4 ) The tester shall be connected to a three-phase four-wire power supply, and the power supply shall be equipped with an air switch and leakage protection device. The distance between the wire and the ground should be greater than 150 cm . A manual switch should be installed on the wire to control the power of the tester.
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