Description
The HOBO Water Leveldata loggerfeatures high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is ideal for recordingwater levelsand temperatures in shallow wells, streams, lakes and freshwater wetlands. For saltwater deployments, such as brackish wetlands and tidal areas, see HOBO U20 Water Level Titanium (-Ti Models).
Highlighted Features
- Lightning protection – no long signal wires, and electronics are shielded in stainless steel housing for use in freshwater.
- HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure,temperature, and water density.
- Multiple-rate samplingallows faster sampling at critical times such as when pumping starts or stops.
- Available in 4 depth ranges
- Ideal for use in wells, streams, lakes, wetlands and tidal areas
- No-vent-tube design for easy reliable deployment
- Durable ceramic pressure sensor
- 3-point NIST-traceable calibration certificate included
This data logger operates in outdoor and underwater environments.
The U20 data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level
Note:HOBO data loggers require either theHOBO Waterproof ShuttleorUniversal Optic USB Base Stationand a USB Cable.(Note: A USB cable is included w/HOBOware ProCD or USB software purchase).HOBOware Prois required when using the U-DTW-1HOBOWaterproof shuttle.


