LEO

Pressure gauges, pressure measuring apparatuses, electronic pressure sensors, pressure recorders, pressure transmitters, and pressure indicators, consisting of digital displays; pressure gauges, pressure measuring apparatuses, electronic pressure sensors, pressure recorders for measuring pressure, pressure transmitters, and pressure indicators for measuring and recording barometric pressures for weather forecasting, altitude measurement and scientific research; pressure gauges, pressure measuring apparatuses, electronic pressure sensors, pressure recorders for measuring pressure, pressure transmitters, and pressure indicators for measuring negative pressure or vacuum conditions; pressure gauges, pressure measuring apparatuses, electronic pressure sensors, pressure recorders for measuring pressure, pressure transmitters, and pressure indicators measuring pressure and temperature; electronic devices for displaying pressure values, particularly for data recording, switching-functions, alarm-functions, wireless transmission of data, wired output of digital signals and wired output of analog signals; electronic devices for displaying temperature values, particularly for data recording, switching-functions, alarm-functions, wireless transmission of data, wired output of digital signals and wired output of analog signals; electronic devices for measuring the pressure difference between two points; electronic devices for monitoring air filters; electronic devices for measuring flow velocity of gases and liquids; electronic devices for measuring the liquid pressure determined by the height of a liquid column above a measuring point