Purpose: it is an instrument used to detect whether the anti-overflow probe rod and the wiring socket and grounding bolt are normal.

Operation: 1. Turn on the power switch of the detector, the indicator light of the anti-overflow probe rod and the indicator light of the grounding bolt show red.

2. Plug the plug into the socket of the tank car to be detected:

a, anti-overflow indicator light: green-anti-overflow probe rod passes the test; Red-liquid level alarm, anti-overflow probe rod fault or line fault.

b, Grounding bolt indicator light: green-grounding bolt passes the test; Red-grounding bolt fault or line fault.

3. If the indicator light is not lit or abnormal, please replace the battery. Please turn off the power switch in time after use. Please remove the battery for a long time without using it.

4. Do not use this equipment in dangerous places.