EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 16911 testing. ISO 16911 specifies a method for periodically determining the axial velocity and volumetric flow rate of gas in emission channels and stacks. Suitable for use in circular or rectangular ducts with measuring positions meeting EN 15259 requirements. Minimum and maximum channel sizes are determined based on practical evaluations of measuring instruments described in ISO 16911.
ISO 16911 requires that all flow measurements have demonstrable metrological traceability to national or international primary standards.
To be used as a standard reference method, the user must demonstrate that the performance characteristics of the method are equal to or better than the performance criteria defined in ISO 16911, and the overall uncertainty of the method is expressed by . A 95% confidence level is determined and reported. The results of each method defined in ISO 16911 have different uncertainties in the range of 20% to 1% at flow rates of 10 m/s.
ISO 16911 describes a method for the periodic determination of the axial velocity and volumetric flow rate of gas in emission channels and stacks and for the calibration of automatic flow monitoring systems permanently mounted on a stack.
ISO 16911 provides a method that uses point measurements of flow rate to determine the flow profile and average and volumetric flow rates. It also provides alternative methods based on tracer gas injection, which can also be used to provide routine calibration for automated flow monitoring systems. A method based on calculation from energy consumption is also described. ISO 16911 provides guidance on when these alternative methods can be used.
EUROLAB assists manufacturers with ISO 16911 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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