Conclusions
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1.
Any deviation from the parallel state on the part of the edges of the beam prisms leads to an error in the balance reading when the force is applied with a displacement relative to the longitudinal axis.
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2.
The beam oscillation plane is determined by the position of the working edge of the reference prism, in view of which the requirements of [1] as to the perpendicular state of the working edges of the prisms require a certain refinement.
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Literature cited
All-Union State Standard 17159-71, “General-purpose balance having weight limits between 50 kg and 60 tons. Technical requirements” (1971).
V. A. Bocharov et al., Izmeritel. Tekh., No. 1 (1974).
V. A. Bocharov, Izmeritel. Tekh., No. 10 (1969).
V. V. Orlov, Dial-Type Balances [in Russian], Mashinostroenie, Moscow (1972).
M. N. Rudo, Laboratory Balances and Precision Weighing [in Russian], Standartgiz, Moscow (1963).
All-Union State Standard 9509-74, “Balances and gravimetric dosing systems. Steel prisms and bearings” (1974).
Gravimetric Instruments and Test Devices [in Russian], No. 1, Mashgiz, Moscow (1959).
Additional information
Translated from Izmeritel'naya Tekhnika, No. 12, pp. 23–24, December, 1976.
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Bocharov, V.A. Mutual disposition of working edges of the prisms in a beam balance. Meas Tech 19, 1714–1716 (1976). https://doi.org/10.1007/BF00828212
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DOI: https://doi.org/10.1007/BF00828212