Reproducibility of the Temperature of the Ice Point in by B. W Mangum

By B. W Mangum

Show description

Read Online or Download Reproducibility of the Temperature of the Ice Point in Routine Measurements PDF

Best measurements books

Measurement and Instrumentation Principles, Third Edition

'Measurement and Instrumentation rules' is the most recent variation of a winning booklet that introduces undergraduate scholars to the dimension rules and the variety of sensors and tools which are used for measuring actual variables. thoroughly up-to-date to incorporate new applied sciences equivalent to shrewdpermanent sensors, monitors and interfaces, the third version additionally includes lots of labored examples and self-assessment questions (and solutions).

Cooperating Embedded Systems and Wireless Sensor Networks

A couple of varied process innovations became obvious within the broader context of embedded structures over the last few years. when there are a few variations among those, this e-book argues that during truth there's a lot they percentage in universal, rather the real notions of regulate, heterogenity, instant verbal exchange, dynamics/ad hoc nature and value.

Extra resources for Reproducibility of the Temperature of the Ice Point in Routine Measurements

Sample text

4 CONFIDENCE LIMITS In most cases the arithmetic mean is not equal to the true value of the measurand, even if all systematic errors are removed. Only the arithmetic mean of an infinite set of measurements becomes a true value. Therefore, bounds are defined in which, with some probability P, a true value can be expected. These limits are called confidence limits, and the area within those limits is the area of confidence. The standard deviation of the infinite number of measurements s is unknown, but if the measurements are repeated a sufficient number of times (n>30), then the standard deviation s can be considered a good estimate of the standard deviation s.

05 W. 3). 3 The difference between the limits of error and measurement uncertainty For the first resistor the value obtained is 9,97 ± 0,01 W; for the second, the value is 9,95 ± 0,01 W; and the third value is 10,06 ± 0,01 W. The first resistor is correct without doubt, and the limits of errors also hold for the second resistor. The third resistor is, however, defective, because its measured value is outside the guaranteed limits of error. All measured values within the error limits have the same probability, and results outside these limits are not possible.

In the first case, terminal 1 is attached to the earth potential, so the total capacitance of the standard is then C = C12 + C10. In the second case, the terminal 2 is connected to the earth potential and the total capacitance is then C = C12 + C20. If no terminal is connected to the earth potential, then the total capacitance will be equal to C = C12+C10×C20/(C10+C20). 3 INDUCTORS Inductors are passive components usually made from conducting wire shaped as a coil. Inductors can also store energy just like capacitors, but they work differently.

Download PDF sample

Reproducibility of the Temperature of the Ice Point in by B. W Mangum
Rated 4.66 of 5 – based on 37 votes