Air quality measuring apparatus, namely, electronic-based instruments for measuring air quality; air pollution measuring devices, namely, electronic-based instruments for measuring environmental parameters including air quality; measuring and control devices for air conditioning technology; air temperature sensors; air analysis apparatus; display for air analyzing apparatus; gas sensors for measuring gas concentration; electrochemical gas sensors for measuring gas concentration; measuring apparatus for temperature and humidity levels in gases and solid substances; measuring apparatus for measuring the concentration of gas; gas meters; realtime technical gas measuring apparatus; realtime technical gas analyzing devices; apparatus for analysing gases
Electrical and Scientific Apparatus