S0005471

Indicator,water level,audible,150m


Water level indicator for boreholes with 150 metres cable and acoustic
and visual signal; packed in a wooden box
Indicative Price 366.55 USD

General description:
Water level indicator for boreholes, with 150 metres cable; acoustic and visual signal.

Technical specifications:
Water level depth indicator, battery powered, e.g. 4.5 Volt (3 x 1.5 V), for use in boreholes to a maximum depth of 150 metres.
The water level indicator consists of a flat, two cores, heavy duty cable calibrated in metres and centimetres on one side.
A probe is securely fastened to the free end of the cable and the cable with probe is attached to a cable winding reel. Measurements are taken by slowly lowering the cable with probe down the borehole until the probe comes in contact with the water. On contact with the water, the unit emits a high frequency audible signal, and the user can then take a depth reading from the calibrated cable. The unit is also equipped with an optical (light) signal that switches on upon contact of the probe with water.

Note: For lengths of 50, 100 and 200 metres, please see catalogue item numbers S0005473, S0005472 and S0005447 respectively.
UNICEF country offices should use non-standard catalogue product number U482820 and specify the required length if different from lengths of 50, 100, 150 and 200 metres.

Packaging and labelling:
The package is sturdy, with extra protection around the probe (e.g. double wrapping + extra cardboard), and the probe safely fitted within the cable winding reel frame during transport.

Weight and Volume:
Estimated weight: 6.5 kg
Estimated volume: 0.07 m3

Accessories/Spare parts/Consumables:
The following different accessories can be ordered independently but under the common standard catalogue number S0005474:
1. Carrying bag for Borehole Water Level Indicator
2. Ground Sensor for Depth Sounding

The following spares/consumables are not supplied with the Indicator, but are expected to be available locally:
2 x set of spare batteries (e.g. 3 x 1.5V)

Instructions for use:
The item is used for indication of water level in boreholes.
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