Determining the gravitational constant, with the gravitation torsion balance after Cavendish- Measuring the excursion with a light pointer, Required but not included: Laser light pointer
Digital Counter For event counting, a fixed counting period can be programmed in a range from 0.1 ms to 99999 s. Counter events (e.g. start or stop) can either be triggered by a signal to the input sockets or manually via switches. The unit includes a plug-in power supply.
Nexpensive, compact counter for measuring milliseconds. Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted.
Go Direct* Ethanol Vapor Sensor, Measure the concentration of ethanol in air above an aqueous sample with Go Direct Ethanol Vapor, Range: 0% to 3%, Response Time: 90% of full scale in 60 seconds, Connections: Wireless: Bluetooth, Wired: USB
Go Direct* Hand Dynamometer, Measure grip strength, pinch strength, and muscle fatigue wirelessly, Resolution: 0.1 N, Range: 0 to 600 N, Safety Range (maximum force without damage done to sensor): 0 to 850 N, Connections Wireless: Bluetooth, Wired: USB
Photoconductivity, Multipurpose power supply. Electrical safety tested. Marked analyzer & polarizer for angle measurement. Photo current is studied as a function of the voltage applied to the photo resistor at a constant irradiance.