Polycontrols

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FLOW CALIBRATION
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NEWS
2010-01-05
ISO/IEC 17025:2005

Polycontrols calibration lab recently achieved ISO/IEC 17025:2005 accreditation. An international standard for evaluating the competence of calibration laboratories.

This breakthrough achievement makes Polycontrols the first, and currently the only organization in Canada, to provide ISO/IEC 17025:2005 accredited calibration for gas flow measurement.

ISO/IEC 17025 is considered by the calibration industry as the ultimate recognition of competence. This standard encompasses the entire calibration system and produces metrics for the calibration rig co

...
mponents, administrative systems for process operations, personnel proficiency, documentation supporting the traceability and total measurement uncertainty for the entire calibration facility. ISO/IEC 17025 standards ensure the highest level of confidence in accuracy and repeatability.

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Flow Meters & Flow Controllers

Vortex Flow Meters

Information Specification

Hontzswch Flow Measuring Technology

Hontzsch® Vortex flow sensor is one of the few instruments capable of measuring gases with suspended particles. A crucial advantage of this instrument lies in the independence of density, pressure and temperature from the working medium. Moreover, its turndown ratio is impressively high: 1:160.

The principle of measurement of the Hontzsch vortex flow sensor is based on vortices being shed when the flowing medium reaches a rod-shaped obstruction - the Karman phenomenon of vortex shedding - whereby the vortex shedding frequency is a dimension for the flow velocity.


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