Five series of hydrometers for liquids between 600 and 2000 kg/m3 at 20C and three petroleum sub-series at 15C. Surface tension, dimensions, permitted errors, guide to purchasers, corrections for opaque liquids, method of use, density of water from 0C to 40C. Relative density (specific gravity) hydrometers previously specified but not retained.
Số hiệu tiêu chuẩn
BS 718:1979
Tên tiêu chuẩn
Specification for density hydrometers
Ngày phát hành
1979-12-31
Tiêu chuẩn tương đương
ISO 650 EQV * ISO/R 649 EQV * ISO 387 NEQ
Thay thế cho
Replaces BS 718:1960.
Từ khóa
Hydrometers * Density measurement * Laboratory glassware * Glassware * Laboratory equipment * Standard temperature * Shape * Graduations * Range (statistics) * Dimensions * Accuracy * Marking * Surface tension * Grades (quality) * Error correction * Menisci * Conversion * Tables (data) * Instrument scales
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BS 718:1979