ISO 387:1977 PDF
Hydrometers — Principles of construction and adjustment
Hydrometers — Principles of construction and adjustment
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 7
- Дата публикации:
- 1 сентября 1977 г.
- Издание:
- ISO IS 387 edition 1 version 1
- ICS:
- 17.060
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.
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