Onset HOBO U20L-04 Water Level Data Logger, 13'

The HOBO by Onset U20L-04 Water Level Data Logger measures water level and temperature in various environments. It features a polypropylene housing suitable for fresh or salt water use, with a non-vented design for hassle-free deployment. The logger has a ceramic pressure sensor that withstands freezing, and a protective end cap allows for deployment in existing wells or stilling wells. It supports fixed-rate or multiple logging intervals with up to eight user-defined intervals and durations.