Go Direct* Rotary Motion Sensor, Resolution: 1deg or 0.25deg, Optical Encoder: Bidirectional, quadrature encoder, Maximum Speed: 30 rev/s at 1deg resolution, 7.5 rev/s at 0.25deg resolution, with Wireless: Bluetooth Connections, Wired: USB Connection
Go Direct* Wide-Range Temperature Probe, with Micro USB Cable, -20degC to 330degC Temperature, Temperature sensing element Platinum RTD (100 omega), Maximum temperature that the sensor can tolerate without damage 380degC, Dimension: 28x17 cm
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* 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 13 feet
HOBO* Wireless Temperature/Humidity Data Logger, measures and transmits temperature and relative humidity data to mobile devices through Bluetooth low energy technology over a 100-foot range, Memory for 84,000 measurements, Accuracy: +/- 0.2C and +/- 2%RH
HOBO* TidbiT Wireless Temperature Data Logger, compact, waterproof up to 120m (400 feet), features wireless setup and download via Bluetooth Low Energy (BLE) and has a large memory that stores 96,000 measurements, +/- 0.2 deg C (+/-0.36 deg F) accuracy
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
Go Direct* Colorimeter, measures absorbance or transmittance of a liquid sample, Specifications: Range: 0 to 3 (absorbance), Useful range: 0.05 to 1.0 (absorbance), 90% to 10% transmittance (%T), Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm, Connections: Bluetooth, USB
HOBO* Pendant Wireless Temperature Data Logger, compact, waterproof, has large memory that stores 96,000 measurements, Ideal for measuring temperature in streams, lakes, oceans, and soil environments, +/- 0.5 deg C (+/-0.9 deg F) accuracy
Go Direct* Conductivity Probe, determines the ionic content of an aqueous solution by measuring its electrical conductivity, Range: 0 to 20,000 uS/cm, Temperature compensation: Automatic from 5 to 35 deg C, can be turned off, Temperature range: 0 to 80 deg C
Go Direct ORP Electrode, Temperature range: 0-60 deg C, Dimension: 12 mm OD, Impedance: Approx 20 kOhm at 25 deg C, Redox potential range: -450 to +1100 mV, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, ORP element: 99% pure platinum band sealed on a glass stem
Go Direct* Gas Pressure Sensor, measures the absolute pressure of a gas, Specifications: Range: 0 to 400 kPa, Resolution: 0.03 kPa, Maximum pressure that the sensor can tolerate without permanent damage: 450 kPa, Connections: Wireless Bluetooth, Wired USB
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
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
HOBO* Wireless Carbon Dioxide/Temperature/RH Data Logger, wirelessly transferring data to mobile devices via Bluetooth Low Energy (BLE) technology over a 100-foot range, +/- 50 ppm +/- 5% of reading at 25DEG C (77 DEG F), less than 90% RH