General metrology - Practical guide to measurement uncertainty best-seller They must also be physically

They must also be physically and chemically stable at very high temperatures

power consumption

The merits of the method are that a large quantity of the calibration gas mixture can be prepared on a continuous basis and that multi-component mixtures can be prepared as readily as binary mixtures if the appropriate number of thermal mass-flow controllers is utilized

which is an essential safety consideration for a complete installation system

General metrology - Practical guide to measurement uncertainty best-seller They must also be physically1 Scope This Published Document sets out the procedures to be followed in evaluating the uncertainty in the result of a measurement. It follows the principles set out in the document Guide to the expression of uncertainty in measurement, known as the GUM (PD 64613). It is intended for use by the practising measurement professional who seeks a practical guide to the application of the GUMs methodology to industrial measurement problems. This Published