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24 results for “Stability of a measuring instrument”
The property of an instrument whereby its metrological properties remain constant in time — quantified by the time taken to drift a stated amount, or…
…of the standard calibration and the resolution of the standard are sufficiently small (i.e., the uncertainty of the instruments used as a standard…
…Therefore, readings should be taken at the precise moment of achieving balance stability. This interval between the releasing of a pan on a mechanical…
…of metrological traceability. The following practice establishes calibration intervals for standards and instrumentation used in measurement processes. Note: This Good Measurement Practice provides a…
…that gave a luminance reading of 2450 cd/m 2 on the instrument display. The color temperature was measured using a spectroradiometer, by comparison…
…of the density of air using our instrumentation is 0.021 %. Nozzle Working Standard Flow Uncertainty: The expanded uncertainty of a mass flow measurement…
…Components of Uncertainty Source of Uncertainty a Type Degrees of Freedom Uncertainty Contribution (Transmission Density) Source Stability A 4 0.001 Signal Noise A…
…Equilibration of balances and weights requires environmental stability of the laboratory within the stated limits for a minimum of 24 hours before a calibration…
…Datla We have investigated the ordinate scale accuracy of ambient temperature transmittance measurements made with a Fourier transform infrared~FT-IR!spectrophotometer over the…
…The frequency of the output from a meter under test is measured using 80 MHz clock pulses. The standard uncertainty of the frequency measurement…
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