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Solinst® Model 101 Water Level Meters

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The Industry Standard for Groundwater Monitoring

For measuring the depth of water in wells, boreholes and standpipes, Solinst Model 101 Water Level Meters are the most accurate and reliable. They are sturdy, easy to repair and read to 1/100' or 1mm.

Meters are powered by a 9V battery housed in an easy-access battery drawer.

Use a choice of probe designs—attached to 3/8"W (10mm) polyethylene tape—fitted on a well-balanced reel. Conductors are embedded within the tape, each with seven strands of stainless steel for strength and flexibility. Nonstretch, corrosion-resistant tapes are very easy to repair and splice. High-quality tape reels in smoothly, remains flexible and hangs straight in the well regardless of temperature. Dog-bone design reduces adherence to wet surfaces. Markings are permanently impregnated onto one side of the tape in your choice of scale.


Probes incorporate an insulating gap between electrodes. When contact is made with water, the circuit is completed, which activates a loud buzzer and light.


Technical Specifications:

P2 Stainless Steel Probe is 1/2" dia. x 7-1/2"L and is easy to repair and replace.

P7 Pressureproof Probe is fully submersible and can withstand 500psi allowing you to sound wells as well as get water level measurements.

Probe is 5/8" dia. x 5-5/3"L.

Tape is non-stretch PVDF.

Include a tape guide and 9V battery.
Replacement Tape Guide and Nylon Carrying Bags also available.


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