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
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
InTemp* Bluetooth Low Energy Temperature Data Logger, With 2m Temperature Probe, Logger Operating Range: -30 to 70 deg C, Transmission Range: Approximately 30.5 m (100 ft) line-of-sight, Battery Type Two AAA 1.5 V
InTemp* VFC Temperature Data Logger with 6.6' probe & 30 ml bottle, -40 deg to 100 deg C, Wireless Data Standard: Bluetooth Low Energy, Radio Power: 1 mW (0 dBm), Battery Type: Two AAA 1.5 V alkaline or lithium batt
InTemp* VFC Temperature Data Logger with 6.6' probe & 15 ml bottle, -40 deg to 100 deg C, Wireless Data Standard: Bluetooth Low Energy, Radio Power: 1 mW (0 dBm), Battery Type: Two AAA 1.5 V alkaline or lithium batt
InTemp* VFC Temperature Data Logger with 13.1' probe & 15 ml bottle, designed for wireless communication with a mobile device, Monitor temperatures in refrigerators and freezers for clinics participating in the CDC