Merilniki za merjenje nivoja toplotnega udobja

A person's sense of well-being in a room (level of comfort) depends on a series of particular external influencing factors. For example, people are extremely sensitive towards thermal radiation caused by cold walls or windows. We also respond to draughts in a room with thermal discomfort. Thermal comfort is defined by the following main influencing factors: indoor air temperature and radiation temperature, air velocity, relative humidity of the indoor air. In turn, the effect of these main influencing factors on a person's sense of comfort depends on his or her (level of) activity and clothing. The international standard ISO 7730 combines all of the parameters in the PMV/PPD measurement (Predicted Mean Vote/Predicted Percentage Dissatisfied). The PMV is an index which predicts the average climate assessment value of a large group of people. The PPD Index provides a quantitative prediction of the number of people that will be dissatisfied with a certain ambient atmosphere.

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3 Products or Recomendations for Merilniki za merjenje nivoja toplotnega udobja
  • testo 400 Universal IAQ instrument

    testo 400 - Universal IAQ instrument

    Order-Nr. 0560 0400


    • Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55
    • High-precision, location-independent and integrated differential pressure sensor
  • testo 400 IAQ and comfort kit with tripod

    testo 400 IAQ and comfort kit with tripod

    Order-Nr. 0563 0401


    • Standard-compliant determination of the comfort level: PMV and PPD as well as draught and turbulence as per EN ISO 7730 and ASHRAE 55
    • Monitor the indoor air quality: Determination of CO2 concentration, humidity, air temperature and turbulence in workplaces, including long-term measurements
  • IAQ data logger for long-term measurements

    IAQ data logger for long-term measurements

    Order-Nr. 0577 0400


    • Data logger configurable via testo 400 universal IAQ instrument
    • Compatible with probes for measuring the comfort level, turbulence, radiant heat, CO2, CO, illuminance, air flow velocity, humidity and temperature
Najdenih je 3 rezultatov