Total Uncertainty

Calculation formulas, depending on the Metrology Environment installation, can be expressed by Algebraic Sum, or Square Sum form, according to MV_QCALINC parameter, respectively to:

If the parameter MV_QINCDM has content S (Yes), the uncertainty calculation of the tools adds the mean deviation:

where:

db: Mean Deviation

IT: Total Uncertainty

II: Tool Uncertainty

IR: Standard Uncertainty (given to Standard Register), when standard is primary, or use uncertainty when secondary.

RR: Repeatability and Reproducibility Index (Report by Uncertain)

IM = Bigger IT

ES = Bigger db

EM = IM + ES

where:

IM: Measurement uncertainty

ES:  Systematic Error

EM:  Maximum Error found

                      n = 4, t = 3,182