Export Quality water level indicator is a trustworthy instrument for measuring the level of water and total deepness in boreholes, well, reservoirs etc. for the measurement the bob is lowered to the water level. When touching the level, a sensor effects the illumination of signal lamp. On request, an addition acoustic signal will be released by a buzzer.
When the probe is touching the water level there is a conductive connection between the tip of the probe and the sensor- body thereby a circuit of the lamp and the buzzer will be closed
Response is seen on LED plus an audible tone is heard. Features include: standard cable lengths: 90 meter, with marking on every 1 meter, cm. 1 meter length flexible measurement scale will be provided with this system for fine resolution (1 cm). Reel type spool for lowering cable and electrode assembly. Reel is mounted on a stand. Self- contained 9V battery power supply - no danger of suck from an outside power supply. Standard brass electrode. Reel handles are shaped to fit your hands. Accurate of reading. Each water level indicator is supplied with a battery. Also available in 180 mtr cable length."