Description: height of the centre of the exhaust pressure gauge; Name: height of exhaust pressure gauge 
Description: Height of the zero or centre position of the outlet manometer, or other point as defined by the manometer calibration ; Name: Height of the outlet manometer
Description: information about the manner in which clamps respectively the carrier of the supply voltage and / or signal voltage are put into effect data-, line- and / or fixationwise; Name: type of connection system