Specification :

For measuring the depth of water in wells, boreholes, and standpipes, the Model 101 Water Level Meter is the most accurate and reliable of the Silinst meters. It easy to operate and read to 1/ 100 ft. or to each millimeter.
Also, available, from Solinst, is the less expensive Model 102 Coaxial Water Level Meter for use in small diameter tubes.
Call : 081934133212, 021 - 99082858