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Calibration, Verification, and Adjustment: Ensuring Accurate Inspection Measurements

Calibration, Verification, and Adjustment: Ensuring Accurate Inspection Measurements
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Measuring physical parameters such as coating thickness, surface profile, and dew point is a common task for inspectors and applicators. However, those measurements are only as accurate as the instrument that performs them. Even high-quality electronic instruments can yield incorrect measurements.

Product Number: 51219-175-SG
Author: David Beamish
Publication Date: 2019
Industry: Coatings
$0.00
$20.00
$20.00

Measuring physical parameters such as coating thickness, surface profile, and dew point is a common task for inspectors and applicators. However, those measurements are only as accurate as the instrument that performs them. Even high-quality electronic instruments can yield incorrect measurements if three key steps are not followed: Calibration, Verification, and Adjustment. In this paper, these often-misunderstood steps are explained as defined by ASTM D7091 1, ISO 2808 2and SSPC-PA 2 3. The importance of a ‘long form’ Calibration Certificate, who can perform a calibration, and the applications that may require field adjustments will also be discussed.

Measuring physical parameters such as coating thickness, surface profile, and dew point is a common task for inspectors and applicators. However, those measurements are only as accurate as the instrument that performs them. Even high-quality electronic instruments can yield incorrect measurements if three key steps are not followed: Calibration, Verification, and Adjustment. In this paper, these often-misunderstood steps are explained as defined by ASTM D7091 1, ISO 2808 2and SSPC-PA 2 3. The importance of a ‘long form’ Calibration Certificate, who can perform a calibration, and the applications that may require field adjustments will also be discussed.

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