The Solinst Model 101 Water Level Meter is available in several versions and is considered the industry standard for portable, hand-operated measurement of water depth in wells, boreholes, standpipes and tanks. They are sturdy, easy to use and provide accurate results to the millimeter, or to 1/100 ft.
The Model 101 Water Level Meters feature pressure-proof stainless steel probes rated to 500 psi, laser marked PVDF tapes, indicator lights and audible alarms.