Onset HOBO Data Loggers U20-001-03
Order #: U20-001-03
Mfg #: U20-001-03
The HOBO water level data logger features 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 recording water levels and temperatures in shallow wells, streams, lakes and freshwater wetlands.