Onset HOBO U20 Water Level Logger 100´ Range

Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal areas. The Optic USB Base Station is required for communications between the Logger and a PC. Plug the Optic Base Station into the USB port on a PC, and then plug the Logger into the Optic Base Station using the appropriate coupler (Couplers for all compatible loggers are included).

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