HOBO* Two External Temperature Sensors 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
HOBO* Pendant Wireless Temperature/Light Data Logger, compact, waterproof, light sensor for accurate light intensity readings in the visible light spectrum, wireless setup and download via Bluetooth Low Energy (BLE), +/- 0.5 deg C (+/-0.9 deg F) accuracy
Optic USB Base Station, Set of couplers: For UA Pendant (COUPLER2-A), For U20 Water Level (COUPLER2-B), For U22 Water Temp Pro v2 (COUPLER2-C), For UTBI TidbiT v2 (COUPLER2-D), For U23 HOBO Pro v2 (COUPLER2-E)
Go Direct* Optical Dissolved Oxygen Probe, with Micro USB Cable, Range: 0 to 20 mg/L, 0 to 300%, Measure primary productivity or biological/biochemical oxygen demand, Explore the interdependence of plants and animals, Monitor watersheds over time
Go Wireless* Heart Rate sensors, ideal for continuously monitoring heart rate before, during, and after exercise or while a person is stationary, Recommended for College, High School, and Middle School Science