Table 7 Relative uncertainty in derived parameter measurement.

From: Uncertainty evaluation of data acquisition and analysis system relevant to infrared flowing medium laser

Derived Parameter

Relative uncertainty

\(u\left( r \right)\)

Degree of Freedom

(for Type B evaluation)

\(v_{i}\)

Coverage Factor (From t distribution table & 95% CL)

Flow rate

Primary nitrogen

0.7%

10,204

1.961

Secondary nitrogen

2.3%

945

1.963

Chlorine

0.4%

31,250

1.960

Lasing specie concentration

3%

556

1.964

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