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PROGAUGE ENTERPRISE
PROGAUGE ENTERPRISE 201603310179 (NS0171749-H)
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1.4 Measurement Uncertainty

23-Nov-2020

At all level in the calibration chain there will be an element of ''uncertainty''. Measurement uncertainty is differs from error in that it is an estimate of range of value where the true values lies, with certain level of confidence. The degree of uncertainty will become greater, depending on the large extend on the following main factors:
  • System - Equipment, Standard Used
  • Human - Skill, Experience
  • Procedure - Method used
  • Environment - Temperature, Humidity
There are two category of uncertainty which is System Uncertainties and Random Uncertainties.
  • System Uncertainties
There are uncertainties due to the accumulation of errors within the calibration chain.
 
  • Random Uncertainties
These are the uncertainties associated with human errors, equipment method used, environment, etc.

Usually the confidence probability of not less than 95% for most of the calibration lab but some of the more sophiscated laboratories may quote confidence probability of not less 99%.
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PROGAUGE ENTERPRISE 201603310179 (NS0171749-H)
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Website: https://www.progaugeenterprise.com
Website: https://progaugeenterprise.newpages.com.my/
Website: https://progaugeenterprise.n.my/

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