79017679
Oct 21, 2005
Jan 16, 2007
Electric and electronic measuring devices for measuring and controlling the filling level of tanks and containers, namely, level detection sensors and displays, multi-channel scanners, linearizers, computers, microprocessors, analog moving coil indicators, sensor interfaces, over voltage protectors, level switches, level responsive switches, ultrasonic level measuring instruments and explosion safety barriers for separating sensors in areas of explosive materials from read-out devices; pressure sensors; remote level and pressure indicators
Electrical and Scientific Apparatus