https://digilab.ptb.de/dkd/refType/vocab/https://digilab.ptb.de/dkd/refType/vocab/skos/293flow https://digilab.ptb.de/dkd/refType/vocab/skos/293 refType BT https://digilab.ptb.de/dkd/refType/vocab/skos/293 temperature NT https://digilab.ptb.de/dkd/refType/vocab/skos/293 humidityRelative NT https://digilab.ptb.de/dkd/refType/vocab/skos/293 pressure NT