Product Information:1, Put the 9V battery into the X jar at the back of the tester. 2, Insert the banana clip to connect ground clamp.3, The tester must stick to the wrist when the operator put on the wrist strap.4, Connect the ground wire to the wrist.5, By a click of the test button in the full-face of the tester, you can see the display lamp of LED the is on and hear the voice. (1) If the green “GOOD” light is on, then the grounding system is safe.(2) If the red light ”LOW” is on, then you need check the resistance between the wrist and ground wire, when resistance is less than 800 kΩ, it is unsafe for the human body. (3) If the red light ”HIGH” is on, then check whether the wrist strap sticks to the wrist, then check whether the conductor between the wrist strap and the grounding wire brakes.

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