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4. Step 2: uncertainty of error of indication
The parameters used in figure 2 to determine the uncertainty of the error of indication U (E I ) are :
weighing repeatability ;
scale resolution (unloaded and loaded) ;
load eccentricity;
ambient temperature during measurements (temperature sensitivity coefficient) ;
standard weights (uncertainty + durability).
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Step 2: uncertainty of error of indication
Step 3: scale uncertainty
Bibliography
Also in our database
Standards and norms
French Standards Association AFNOR http://www.afnor.org
- Metrology – Calibration and verification procedure for Non-Automatic Weighing Instruments (NAWI) – Part 2: Calibration - FDX 07-017-2 - 12-97
- Guide pour l"expression de l"incertitude de mesure - NF ENV 13005 - 1999
International Organization for Standardization...
Organizations
International Organization of Legal Metrology OIML http://www.oiml.org/
OIML R111 2004 Weights of classes E1, E2, F1, F2, M1, M1-2, M2, M2-3, M3 " Part 1 : Metrological and technical requirements
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