HOBO* Durable ceramic Water Level sensor, with stainless steel tip for use Water Level Data Logger, 3-point NIST-traceable calibration certificate, Size: 250 feet (76m)
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 13 Foot Depth
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: 9 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: 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: 9 m