The HOBO MX2001 logger top-end unit (MX2001-TOP) is IP67-rated weatherproof, but should not be considered waterproof.
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Tips on How to Use HOBO Water Level Loggers
Information on how to use HOBO water level loggers for stream flow, compensating for altitude effects, mounting in wells, techniques for deploying data loggers in salt water and freshwater environments.
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Sensor Location Drawing
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How to Build a Stilling Well
Learn how to build a stilling well to get more accurate water level measurements for wells, stormwater systems, canals, flood irrigation, rivers, coastal areas, and more.
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HOBO Water Level Logger vs the Competition
This paper highlights results from Onset's tests of the HOBO Water Level logger and comparable loggers from two competitors.