"Absolute error of my measurement" service allows evaluating measurement precision considering measurement uncertainty (or error) in absolute value. It is important in case you are making measurements at the range edge, when the value of error contributes into the value displayed by the device.
To get the range of values it’s enough to enter the evaluation of the value under measurement into Value box and to see the range of possible values including all of the standard errors.
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The antique voltmeter is in good condition. It will fit in private or museum collection of scientific instruments of the last century.
Retail price : $399.00
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This antique electromechanical voltmeter has 2 scales that represent two analogue measuring ranges from 0 to 6 and from 0 to 120 V.
The front panel of the voltmeter has an arrow indicating the scale of the measurements 6 V or 120 V. The voltmeter has two probes, labeled black and white, and a cord that goes from the top of the instrument. The instrument is in the form of bulb, this design was very common at the beginning of the last century. On top of the instrument has a special ring - the holder. The unit can be hung on a chain, like a pocket watch.
Made in Germany. Approximate year 1910-1914.
This antique electromechanical voltmeter has 2 scales that represent two analogue measuring ranges from 0 to 6 and from 0 to 120 V...