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ASTM E617-13

Standard Specification for Laboratory Weights and Precision Mass Standards

Automaticky přeložený název:

Standard Specification pro laboratorní váhy a přesné Hromadné standardy

NORMA vydána dne 1.5.2013

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Provedení	PDF - okamžité stažení - 2 166.50 Kč Tištěné - 2 166.50 Kč
Dostupnost	SKLADEM
Cena	2 166.50 Kč bez DPH
2 166.50 Kč

Informace o normě:

Označení normy: ASTM E617-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2013
Kód zboží: NS-47419
Počet stran: 16
Přibližná hmotnost: 48 g (0.11 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Laboratorní potřeby a přístroje

Anotace textu normy ASTM E617-13 :

Keywords:

ICS Number Code 71.040.20 (Laboratory ware and related apparatus)

Doplňující informace

1. Scope

1.1 This specification covers weights and mass standards used in laboratories, specifically classes 000, 00, 0, 1, 2, 3, 4, 5, 6 and 7. This specification replaces National Bureau of Standards Circular 547, Section 1, which is out of print.

1.2 This specification contains the principal physical characteristics and metrological requirements for weights that are used.

1.2.1 For the verification of weighing instruments;

1.2.2 For the calibration of weights of a lower class of accuracy; and

1.2.3 With weighing instruments.

1.3 Maximum Permissible Errors (formerly tolerances) and design restrictions for each class are described in order that both individual weights or sets of weights can be chosen for appropriate applications.

1.4 The values stated in SI units are to be regarded as standard.

1.5 Weight manufacturers must be able to provide evidence that all new weights comply with specifications in this standard (e.g., material, density, magnetism, surface finish, mass values, uncertainties). Statements of compliance by calibration laboratories during subsequent calibrations must meet the requirements of ISO/IEC 17025, 5.10.4.2 and indicate on the calibration report which sections have or have not been assessed.

2. Referenced Documents

OIML D 28	Conventional Value of the Result of Weighing in Air (2004)
OIML R111–1e04	Weights of classes E1, E2, F1, F2, M1, M1-2, M2, M2-3 and M3 Part 1: Metrological and Technical Requirements (2004)
VIM: JCGM 200:2012	International Vocabulary of Metrology-Basic and General Concepts and Associated Terms
GUM: JCGM 100:2008	Evaluation of Measurement Data-Guide to the Expression of Uncertainty in Measurement
EURAMET/cg-18/V. 3.0	Guidelines on the Calibration of Non-Automatic Weighing Intruments (2011)
CIPM-2007	Revised Formula for the Density of Moist Air, A. Picard, R. S. Davis, M. Glaser, and K. Fujii
NISTIR 6969	Selected Laboratory and Measurement Practices to Support Basic Mass Calibrations (2012)
NISTIR 5672	Advanced Mass Calibration and Measurement Assurance Program for State Calibration Laboratories (2012)
NIST SP 1038	The International System of Units (SI) - Conversion Factors for General Use (May 2006)
NIST SP 811	Guide for the Use of the International System of Unit (SI) 2008 Edition
NIST Handbook 143	State Weights and Measures Laboratories Program Handbook (2007)
NIST Technical Note 1297	(1994) Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results