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* Motion Detector, uses ultrasound to measure the position, velocity, and acceleration of moving objects, Maximum data collection rate: 30 samples/s, Distances measured from 15 cm to 2.5 m, Temperature compensated, 1/4-20 threaded hole, 1.5 m USB cable
HOBO* Pro v2 Temperature/Relative Humidity Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, High accuracy, Optic USB interface for fast and reliable download, for use in outdoor or condensing environments
Isolated ECG/EMG/GSR Biopotential Recorder, allows recording of up to three channels of ECG, EMG or EEG as well as GSR, connects to the subject by snap-leads to pre-gelled AG/AgCl electrodes, also capable of mar
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* 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 30 feet
HOBO* Water Level Data Logger, stainless steel, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 100 Foot Depth
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 30-Foot Depth
HOBO* Water Temperature Pro v2 Data Logger, durable with 12-bit resolution, Complete with a precision sensor for +/-0.2Deg C accuracy, this logger measures temperatures between -40Deg C and 70Deg C (-40Deg F to 158Deg F) in air and up to 50Deg C in water
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 100 Foot Depth
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
Go Direct* ORP (Oxidation-Reduction Potential) Sensor, measures the ability of a solution to act as an oxidizing or reducing agent, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Storage solution: pH-4/KCl solution, Temperature range: 0 to 60 degree 'C, 12 mm OD
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
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