EN ISO 15212-1:1999 PDF
Oscillation-type density meters - Part 1: Laboratory instruments (ISO 15212-1:1998)
Oscillation-type density meters - Part 1: Laboratory instruments (ISO 15212-1:1998)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 23
- Дата публикации:
- 24 марта 1999 г.
- Издание:
- CEN EN 15212 edition 1 version 1
- ICS:
- 17.060
The standard specifies metrological and other requirements for density meters of the oscillation type, which are used in laboratories for homogeneous fluid samples. A method for adjustment and calibration is given.
Abstract
Overview
EN ISO 15212-1:1999 (ISO 15212-1:1998) - Oscillation-type density meters - Part 1: Laboratory instruments - sets out the metrological and technical requirements for oscillation-type density meters used in laboratories to measure homogeneous fluid samples. The standard covers instrument design, functional units, adjustment and calibration procedures, and type-test requirements. It is intended for manufacturers, testing and certification bodies, and laboratories performing density measurements or instrument calibration.
Key topics and requirements
- Scope and purpose: Specifies requirements for laboratory oscillation-type density meters (stand-alone or integrated systems) and gives recommended methods for adjustment and calibration. It does not prescribe application-specific test procedures.
- Functional units: Defines essential components - density sensor, excitation and control of oscillation, signal evaluation/display (density and oscillation frequency/period), temperature measurement, and malfunction detection. Optional units include sample thermostating, sampling and cleaning devices.
- Sensor material and testing: Acceptable materials include borosilicate glass (ISO 3585), metals, alloys or plastics. A resistance test is specified: weigh a test-piece, immerse under intended conditions for 12 h, then clean and re-weigh; mass change
Технические детали
- Технический комитет
- CEN/TC 332 - Laboratory equipment
- SKU
- EN ISO 15212-1:1999
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