When using an electronic device, such as an electronic balance, the measurement displayed on the screen is assumed to have one estimated digit included. in fact, you'll often sec the estimated digit changing rapidly, because there is fluctuation in the estimate. Explain why it is important to record the zero in the measurement shown to this right,

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02-09-2021
Chemistry

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When using an electronic device, such as an electronic balance, the measurement displayed on the screen is assumed to have one estimated digit included. in fact, you'll often sec the estimated digit changing rapidly, because there is fluctuation in the estimate. Explain why it is important to record the zero in the measurement shown to this right,

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moya1316 moya1316 · Answer 1 · 2021-09-15T17:45:18+02:00

The zero calibration of the electronic balance allows to maintain the precision of one digit.

Electronic measurement equipment has a mechanism to set the zero of the measurement every time the equipment is turned on, this procedure must be carried out to eliminate:

Possible existence of some material on the plate
Changes in the characteristics of the balance completes due to aging
Cchanges in ambient conditions, for example temperature
Changes in the mass of the plate due to deformation or breakage.

The methods of regurgitating the zero of the balance consists of measuring the weight without masses and bringing this value to zero, in general by changing some adjustable parameter of the balance, for example magnetic field current, reference level with a beam of light.

With this calibration it will be achieved that there is always a precision digit in the readings.

With Electronic Balance Calibration it is possible to have a pressure digit

learn more about electronic balance here:

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