For measuring water level in bores or wells. Excellent in noisy boring conditions, when the plummet hits the water level a light beams on the winding device
Measuring tape: Flat lying green tape with a core of spring steel with 2 copper wires coated with nylon. The spring steel is treated with a primer which gives a specially good adherence of the nylon coating on the tape steel.
Graduation: Black millimetre graduation over total length, black centimetre and decimetre figures, metre figures in red, repeated metre figure before each decimetre.
Probe: Made of refined steel with electrode and insulation, diameter 15 mm
Electric:
- 9 Volt power block - 3 function switch
Signal: LED and buzzer
Winder: strong winding device of ABS with stopper and winding knob, carrying handle and stand feet, 2 clamps for keeping the probe when not in use.
mm graduation, cm and dm figures in black red metre figures, repeated before each decimetre
Each electrical contact gauge is supplied in strong carrying case.
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