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10 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…
…Equilibration of balances and weights requires environmental stability of the laboratory within the stated limits for a minimum of 24 hours before a calibration…
…on the validity of the measurement; one on accuracy and stability of the standard and the other on process repeatability. A least-squares best…
…of U nits (SI), which may be to the SI, through a National Metrology Institute such as NIST . Verify that all standards and instruments…
…weighing instrument indication to stabilize. See NISTIR 6969, SOP 34 for specific instructions on evaluation of the need for and selection of tare weights…
…This method introduces redundancy into the measurement process and permits two checks on the validity of the measurement; one on accuracy and stability of…
…measurement process may include, but are not limited to: a. Regular use of reference materials or quality control; b. Regular use of alternative instrumentation…
Questions post under a public pseudonym. Be specific — instrument, method, standard.