This is a hybird - data logger with integrated encoder for measurement and storage of water level fluctuations. Just install directly with float and counterweight or for upgrading of existing water level gauges with flexible adaptation possibilities. Completely water tight and flood protected with accuracy < 1cm. Read-out and operation with the robust hand terminal HT 100 or pc notebook. 

SEBA data logger MDS "Surfloat"
 

The SEBA - Electric Contact Meter Type KLL is a portable and reliable instrument for measuring the water level and total depth in boreholes, wells, reservoirs etc. The depth is shown on the cable in metres and centimetres. Especially for accurate measurements of water level and temperature in groundwater observation tubes and wells.

Electric contact meter
 

The strip chart water level recorder "DELTA" serves to register continuous fluctuation of water levels in flowing and stagnant waters. This instrument will be used for discharge measurement, irrigation and ground water studies. 

Strip chart water level recorder type 'Delta' with HT100 reader unit used for montane forest hydrology study.