2nd October 2019


What is the range of the instrument?

The sounding range refers to the pitches produced by an instrument, while the written range refers to the compass (span) of notes written in the sheet music, where the part is sometimes transposed for convenience. A piccolo, for example, typically has a sounding range one octave higher than its written range.

Also question is, what is scale span?

Span – It can be defined as the range of an instrument from the minimum to maximum scale value. In the case of a thermometer, its scale goes from −40°C to 100°C. Thus its span is 140°C. As said before accuracy is defined as a percentage of span.

What is calibration and why is it important?

Calibration is a comparison between a known measurement (the standard) and the measurement using your instrument. Typically, the accuracy of the standard should be ten times the accuracy of the measuring device being tested. However, accuracy ratio of 3:1 is acceptable by most standards organizations.

What is span drift?

b) span drift or sensitivity drift. If there is proportional change in the indication all along the upward scale, the drifts is called span drift or sensitivity drift. c) Zonal drift: In case the drift occurs only a portion of span of an instrument, it is called zonal drift.
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