Go Direct* Photogate, double-gate sensor that includes two photogates built into the arms of the sensor, which accurately measures velocity and acceleration, Infrared source: Peak at 880 nm, Gate width: 77.5 mm, Battery: 300 mAh Li-Poly Rechargeable
Ethanol sensor, used in a wide range of tests and experiments. It can be used to determine the rate of ethanol production during fermentation and can also be used to measure the discrete amount of ethanol in a given sample
High Current Sensor, Use in experiments that involve currents larger than 1 A, such as solar panels, hand generators, and other alternative energy projects, range of +/-10 A, Current is measured with a Hall Effect sensor, which uses the magnetic f