HOBO Temperature Data Logger, is a low-cost, splash-proof data logger that measures and transmits temperature data wirelessly to mobile devices via Bluetooth Low Energy (BLE) technology, Ideal for a range of indoor monitoring applications
HOBO* Deep Ocean Temperature Data Logger, single-channel water temperature logger with 12-bit resolution, Extended temperature range: -40 to 125C, Titanium housing for use in saltwater, Fast readout via direct USB interface, 11,000m depth rating
HOBO* Water Level Data Logger, low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments, 0.1% measurement accuracy, Depths up to 100 feet