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
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* 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
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
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* 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
Go Direct* CO2 Gas Sensor, CO2 Sensor Range: 0-100,000 ppm, Resolution: 1 ppm CO2, with Wireless: Bluetooth, Wired: USB connections,Study the effect of temperature on cell respiration or metabolism of organisms, Dimension: 38x28mm, Total length: 155 mm
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 Direct* Melt Station, accurately determines the melting temperature of solid substances, Body Dimensions: 9 cm x 9 cm x 24 cm, Base Dimensions: 13 cm x 15 cm x 1.5 cm, Range: Ambient to 260 deg C, Lighting of control dial: Red LED, Blue LED, Yellow LED, Weight: 1.0 kg