On an IC electronic balance control system and its impact on the calibration

L. Binard; A. Van Den Bosch; J. Vansummeren

doi:10.1016/0040-6031(81)87053-0

On an IC electronic balance control system and its impact on the calibration

L. Binard, A. Van Den Bosch, J. Vansummeren

Research output › peer-review

Abstract

The contribution deals with an "1974 integrated circuit" version of an electronic damping and nulling system, adapted to a torsion balance which now is more than twenty years old. The discussion of calibration results reveal that masses of about 0.5 mg, in certain cases, can be intercompared with a relative precision of 3 × 10^-5, indicating that the balance sensibility is better than 2 × 10^-8 g. As the deflection sensitivity of the balance is 1.3 × 10^-4 deg/μg the position sensor on the balance can detect, over a few minutes, average displacements of about 4 × 10^-7 cm (i.e. ∼ 40 Å).

Original language	English
Pages (from-to)	85-95
Number of pages	11
Journal	Thermochimica Acta
Volume	51
Issue number	1
DOIs	https://doi.org/10.1016/0040-6031(81)87053-0
State	Published - 16 Dec 1981

ASJC Scopus subject areas

Instrumentation
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1016/0040-6031(81)87053-0

Cite this

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title = "On an IC electronic balance control system and its impact on the calibration",

abstract = "The contribution deals with an {"}1974 integrated circuit{"} version of an electronic damping and nulling system, adapted to a torsion balance which now is more than twenty years old. The discussion of calibration results reveal that masses of about 0.5 mg, in certain cases, can be intercompared with a relative precision of 3 × 10-5, indicating that the balance sensibility is better than 2 × 10-8 g. As the deflection sensitivity of the balance is 1.3 × 10-4 deg/μg the position sensor on the balance can detect, over a few minutes, average displacements of about 4 × 10-7 cm (i.e. ∼ 40 {\AA}).",

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AU - Vansummeren, J.

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N2 - The contribution deals with an "1974 integrated circuit" version of an electronic damping and nulling system, adapted to a torsion balance which now is more than twenty years old. The discussion of calibration results reveal that masses of about 0.5 mg, in certain cases, can be intercompared with a relative precision of 3 × 10-5, indicating that the balance sensibility is better than 2 × 10-8 g. As the deflection sensitivity of the balance is 1.3 × 10-4 deg/μg the position sensor on the balance can detect, over a few minutes, average displacements of about 4 × 10-7 cm (i.e. ∼ 40 Å).

AB - The contribution deals with an "1974 integrated circuit" version of an electronic damping and nulling system, adapted to a torsion balance which now is more than twenty years old. The discussion of calibration results reveal that masses of about 0.5 mg, in certain cases, can be intercompared with a relative precision of 3 × 10-5, indicating that the balance sensibility is better than 2 × 10-8 g. As the deflection sensitivity of the balance is 1.3 × 10-4 deg/μg the position sensor on the balance can detect, over a few minutes, average displacements of about 4 × 10-7 cm (i.e. ∼ 40 Å).

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