created a power sipping water monitor that lives there. The device is built around a cheap 1/2″ brass water flow rate sensor connected to his shower hose, which outputs pulses as a small wheel ...

The ultrasonic technology enables 4-in-1 combined sensor operation ... The Gasboard-8500FS-X200 has a flow rate in the range of 240 L/minute. The system has been designed to have ultrasonic ...

An electrostatic powder flow sensor (EPF) has been developed which measures the electrical charges on moving particles. The fluctuation in these charges produces an electrostatic ‘noise’ signature, ...