Instrument operation method:
1. The probe from the instrument clamp removed, open the instrument power supply, shorted probe drilling center ruler end is exposed at both ends of the cable, hearing the sound of instrument a nonstop alarm sound, indicating instruments work normally, if not a sound alarm, said instruments work abnormally and specific fault refer to fault analysis and troubleshooting; after the completion of the broken bare wires at the end of the ruler.
2. Crank driven reel will probe and measuring line gradually into the logging, when the probe touches the water logging, hearing the sound of instrument and sends out the alarm sound, move up and down the measuring line, according to the measured line scale value of proven level (in meters).
3 Determination of water level, the line will recover, probe into the pipe, turn off the instrument power supply.