EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 14934-1 test. EN ISO 14934-1 specifies terms and definitions for the calibration and use of heat flow meters. It also explains the relationship between the output voltage and the total heat flux and gives the uncertainty components associated with the calibration and use of heat flux meters.
Many fire testing methods specify the radiation level and therefore it is of great importance that the radiant heat flux be well defined and measured with sufficient accuracy. Radiant heat transfer is also the dominant mode of heat transfer in most real fires.
In practice, the radiant heat flux is usually measured with Schmidt-Boelter (thermopil) or Gardon (foil) type total heat flux meters. It is important to understand that such meters always record a combined heat flow from radiation and convection. It is also important to realize that total heat flux meters record the heat flow to a cooled surface that is not at the same level as the heat flow received by an uncooled surface. Finally, the only well-defined heat transfer is the incident radiation heat of the calibration state in blackbody radiation sources used for primary calibration.
This part of EN ISO 14934 gives terms and definitions intended for use in conjunction with the other sections: EN ISO 14934-2 (three main methods for calibrating heat flow meters), EN ISO 14934-3 (conducting secondary calibration) and EN ISO 14934-4 (construction and use of different types of heat flow meters).
EUROLAB assists manufacturers with EN ISO 14934-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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