HOBO* Bluetooth Low Energy Water Level Data Logger, for convenient wireless setup and download from mobile devices via Bluetooth Low Energy, consists of a top-end unit and a water level sensor which are sold as a set, plus a direct read cable, Size: 9 m
HOBO* Bluetooth Low Energy Water Level Data Logger, with titanium sensor, Integrated barometric pressure sensor enables direct water level readout, logger and sensor add 0.39 meters to the length of the cable, Size: 4 m
HOBO* Bluetooth Low Energy Water Level Data Logger, for convenient wireless setup and download from mobile devices via Bluetooth Low Energy, consists of a top-end unit and a water level sensor which are sold as a set, plus a direct read cable, Size: 76 m
HOBO* Water Temperature Pro v2 Data Logger, durable with 12-bit resolution, Complete with a precision sensor for +/-0.2Deg C accuracy, this logger measures temperatures between -40Deg C and 70Deg C (-40Deg F to 158Deg F) in air and up to 50Deg C in water
HOBO* Pro v2 External Temperature Data Logger, weatherproof data logger with an external soil/water temperature sensor on a 6-foot cable useful for situations where just one temperature probe is required, internal temperature sensor is also included