Automotive measuring instruments, namely, water temperature gauges, air fuel/ratio gauges, boost gauges, vacuum gauges and exhaust gas temperature gauges; AC/DC inverters; Drive invertors; Flowmeters; Frequency converters; Inverters; Level switches and level indicators for monitoring and controlling liquids in tanks and vessels; Level transmitters; Manometers being pressure gauges; Pressure transmitters; Pressure gauges; Power inverters; Photovoltaic inverters; Signal generators; Temperature ...