TidbiT v2 Water Temperature Data Logger, provides 12-bit resolution and has +/- 0.2 Deg C accuracy, Onset's smallest temperature data logger, Waterproof to 300 meters (1,000 feet), designed for outdoor and underwater environments
HOBO* External Temperature Sensor Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, enables easy, fast set up and data download directly from your mobile device, Accuracy: +/- 0.2 DEG C
HOBOnet Wireless Temperature Sensor, provides a cost-effective and scalable solution for web-enabled monitoring of air, soil, water temperatures, Measurement range of -40 deg to 100 deg C (-40 deg to 212 deg F), Stainless-steel sensor tip, 900 MHz wireless
HOBOnet Temperature and Relative Humidity Sensor, provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity, robust RH sensor withstands extended use in high-humidity environments, 900 MHz wireless