Water content metering apparatus
Water immersion detecting circuit
Water level measurement system
Wear indicator for refractory linings
Weight responsive moisture tester
Welding system and method utilizing a ground integrity monitor
Wetness sensor for a window of a motor vehicle
Wideband complex radio frequency impedance measurement
Winding diagnostic system and method
Windshield rain sensor
Wireless soil sensor utilizing a RF frequency for performing...
Zero impedance switch