MI 2948-2005
МИ 2948-2005
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Wet gas generators reference dynamic type "Spring". Method of verification
Генераторы влажного газа эталонные динамические типа "Родник". Методика поверки
Status: Effective
The recommendation applies to reference dynamic wet gas generators of the "SPRING" type (hereinafter referred to as generators) related to the working standards of the second discharge and intended for graduation and calibration of hygrometers of immersion and flow types. The recommendation establishes the requirements, methods and means of primary and periodic verification of newly manufactured and in-use generators. Verification is carried out by the method of comparing with transfer to the generator with the help of a hygrometer-comparator of the size of a vapor-gas mixture unit of moisture (hereinafter PGM) from the state primary standard of a unit of relative humidity of gases in accordance with the verification scheme in accordance with GOST 8.547.
Рекомендация распространяется на эталонные динамические генераторы влажного газа типа "РОДНИК" (далее генераторы), относящиеся к рабочим эталонам второго разряда и предназначенные для градуировки и поверки гигрометров погружного и проточного типов. Рекомендация устанавливает требования, методы и средства первичной и периодической поверок вновь выпускаемых и находящихся в эксплуатации генераторов. Поверка осуществляется методом компарирования с передачей генераторам с помощью гигрометра-компаратора размера единицы влажности парогазовой смеси (далее ПГС) от государственного первичного эталона единицы относительной влажности газов в соответствии с поверочной схемой по ГОСТ 8.547.
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Format: Electronic (pdf/doc)
Approved: FSUE VS NIIFTRI,
12/20/2004
SKU: RUSS154304
The Product is Contained in the Following Classifiers:
PromExpert »
SECTION II. METROLOGICAL »
I Organizational and technical bases of metrological support »
2 Technical basics of metrological support »
2.3 Verification, calibration and testing of measuring instruments »
2.3.5 Measurements of physico-chemical composition and properties of substances »
ISO classifier »
17 METROLOGY AND MEASUREMENTS. PHYSICAL PHENOMENA »
17.020 Metrology and measurements in general »
As a Replacement Of:
MI 1489-86: State system for ensuring uniformity of measurements. Wet gas generator exemplary "Spring-3". Method of verification
MI 260-82: State system for ensuring the uniformity of measurements. Wet gas generators exemplary dynamic "SPRING" and "SPRING-2". Methods and means of verification
The Document References:
GOST 13646-68: Glass mercury thermometers designed for precise measurements
GOST 14254-96: Degrees of protection provided by enclosures (IP Code)
GOST 15150-69: Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 2405-88: Pressure gauges, vacuum gauges, pressure-vacuum gauges, pressure meters, draft gauges and draft-pressure gauges
GOST 24484-80: Industries purity. Compressed air methods of measuring of contamination
GOST 8.395-80: Standard measurement conditions for calibration
GOST 8.547-2009: State system for ensuring the uniformity of measurements. State verification schedule for means measuring humidity of gases
GOST 8.547-86: State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring relative humidity of gases
GOST 9293-74: Gaseous and liquid nitrogen. Specifications
MI 1489-86: State system for ensuring uniformity of measurements. Wet gas generator exemplary "Spring-3". Method of verification
MI 2525-99: State system for ensuring uniformity of measurements. Recommendations on metrology of state scientific metrology centers of Gosstandart of Russia. Order of development
MI 260-82: State system for ensuring the uniformity of measurements. Wet gas generators exemplary dynamic "SPRING" and "SPRING-2". Methods and means of verification
RMG 51-2002: State system for ensuring the uniformity of measurements. Documentats for verification methods of measuring instruments. Basic statements
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