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
Go Direct* Wide-Range Temperature Probe, with Micro USB Cable, -20degC to 330degC Temperature, Temperature sensing element Platinum RTD (100 omega), Maximum temperature that the sensor can tolerate without damage 380degC, Dimension: 28x17 cm
HOBO* Pro v2 Temperature/Relative Humidity Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, High accuracy, Optic USB interface for fast and reliable download, for use in outdoor or condensing environments
HOBO* 64K Pendant* Temperature/Alarm (Waterproof) Data Logger, one channel and is recommended for short-term shipping or long-term monitoring, Waterproof housing for wet or underwater use, 64K bytes memory, Data readout in less than 30 seconds