NIST HDBK 44 - Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices
January 1, 2018 - NIST

Foreword NIST Handbook 44 was first published in 1949, having been preceded by similar handbooks of various designations and in several forms, beginning in 1918. NIST Handbook 44 is published in its entirety each year following the Annual Meeting of the National Conference on Weights...

FIPS PUB 202 - SHA-3 Standard: Permutation-Based Hash and Extendable-Output Functions
August 1, 2015 - NIST

INTRODUCTION This Standard specifies a new family of functions that supplement SHA-1 and the SHA-2 family of hash functions specified in FIPS 180-4 [1]. This family, called SHA-3 (Secure Hash Algorithm-3), is based on KECCAK [2]-the algorithm1 that NIST selected as the winner of the public...

NIST NISTIR 6969 - Selected Laboratory and Measurement Practices and Procedures to Support Basic Mass Calibrations
September 1, 2014 - NIST

Foreword This NIST IR of Selected Publications was been compiled as an interim update for a number of Good Laboratory Practices, Good Measurement Practices, Standard Operating Procedures, Statistical Techniques and Reference Tables. This interim publication was used as a reference document...

NIST SP 800-171 - Protecting Controlled Unclassified Information in Nonfederal Information Systems and Organizations
June 1, 2015 - NIST

PURPOSE AND APPLICABILITY The purpose of this publication is to provide federal agencies with recommended requirements for protecting the confidentiality of CUI: (i) when the CUI is resident in nonfederal information systems and organizations; (ii) when the information systems where the CUI resides...

NIST SP 800-30 - Guide for Conducting Risk Assessments
September 1, 2012 - NIST

PURPOSE AND APPLICABILITY The purpose of Special Publication 800-30 is to provide guidance for conducting risk assessments of federal information systems and organizations, amplifying the guidance in Special Publication 800-39. Risk assessments, carried out at all three tiers in the risk management...

NIST SP 330 - The International System of Units (SI)
March 1, 2008 - NIST

Preface to the 8th edition We have pleasure in introducing the 8th edition of this publication, commonly called the SI Brochure, which defines and presents the Système International d'Unités, the SI (known in English as the International System of Units). This Brochure is published as a hard copy,...

NIST SP 811 - Guide for the Use of the International System of Units (SI)
January 1, 2008 - NIST

Purpose of Guide The International System of Units was established in 1960 by the 11th General Conference on Weights and Measures (CGPM- see Preface). Universally abbreviated SI (from the French Le Système International d'Unités), it is the modern metric system of measurement used throughout the...

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ISA CALIBRATION: A TECHNI - Calibration: A Technician's Guide
January 1, 2005 - ISA

This comprehensive review of calibration provides an excellent foundation for understanding principles and applications of the most frequently performed tasks of a technician. Topics addressed include terminology, bench vs. field calibration, loop vs. individual instrument...

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ASTM E74 - Standard Practices for Calibration and Verification for Force-Measuring Instruments
February 1, 2018 - ASTM

The purpose of these practices is to specify procedures for the calibration of force-measuring instruments. Procedures are included for the following types of instruments: Elastic force-measuring instruments, and Force-multiplying systems, such as balances and small platform scales. NOTE...

ASTM D8072 - Standard Classification for Reporting Solids and Insoluble Water Contamination of Hydrocarbon-Based Petroleum Products When Analyzed by Imaging Instrumentation
May 1, 2017 - ASTM

This classification identifies a concise code which can be used by imaging instruments for reporting of solid particles and insoluble water content in hydrocarbon-based petroleum products. The coding system includes the reporting of water content and particle counts in the ≥1 μm range. NOTE 1-...

ASTM E2428 - Standard Practice for Calibration and Verification of Torque Transducers
May 15, 2015 - ASTM

The purpose of this practice is to specify the procedure for the calibration of torque transducers. NOTE 1-Verification by deadweight and a lever arm is an acceptable method of verifying the torque indication of a testing machine. Tolerances for weights used are tabulated in Practice E2624;...

ASTM E1159 - Standard Specification for Thermocouple Materials, Platinum-Rhodium Alloys, and Platinum
December 1, 2015 - ASTM

This specification covers non-insulated platinumrhodium alloys (weight percent composition), and platinum thermoelements that meet the requirement of Specification E230 and NIST Monograph 175.2 This specification does not cover platinum and platinum-rhodium materials, that require a higher...

ASTM E1951 - Standard Guide for Calibrating Reticles and Light Microscope Magnifications
November 1, 2014 - ASTM

This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring reticles. Reflected light microscopes are used to characterize material microstructures. Many materials...

ASTM E77 - Standard Test Method for Inspection and Verification of Thermometers
May 1, 2014 - ASTM

This test method covers visual and dimensional inspection and test for scale accuracy to be used in the verification of liquid-in-glass thermometers as specified in Specifications E1 and E2251. However, these procedures may be applied to other liquid-in-glass thermometers.2 NOTE 1-The use of...