Go Direct* Temperature Probe, is a rugged, general-purpose temperature sensor that students can use to monitor temperature, Temperature range: -40 to 125 deg C, Handle temperature range: -10 to 45 deg C, Resolution: 0.07 deg C, Connections: Wireless Bluetooth, Wired USB
Go Direct* pH Sensor, is a general-purpose pH sensor used to monitor pH of aqueous solutions, pH range: 0-14, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Shaft diameter: 12 mm OD, Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
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
Go Direct* Radiation Monitor, detects alpha, beta, gamma, and X-ray radiation, Sensor: LND 712 (or equivalent) halogen-quenched GM tube with a mica end window, 1.5 to 2.0 mg/cm2 thick, Red LED blinks on radiation detection, Optional audio signal on radiation detection
HOBO* Pendant* Temperature/Light 64K Data Logger, 64K bytes, two-channel temperature and relative light level data logger, Materials: Polypropylene case; stainless steel screws; Buna-N o-ring, Waterproof housing for wet or underwater use
HOBO* Dissolved Oxygen Data Logger, Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters, Oxygen Accuracy: +/-0.2 mg/L up to 8 mg/L, Temperature Accuracy: 0.2 Deg C, Depth Rating: 100 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: 76 m
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: 4 m