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ISO 387:1977

Hydrometers — Principles of construction and adjustment

Sep 1, 1977

General information

90.20     Jul 15, 2026

ISO

ISO/TC 48/SC 4

International Standard

17.060  

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Scope

Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surface tension are tabled, and annex B deals with the adoption of density as preferred basis of scale.

Life cycle

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PUBLISHED
ISO 387:1977
90.20 Standard under periodical review
Jul 15, 2026

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