A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Procedures of characterization and calibration for pressure gauges -- Part 1: General
Procedures of characterization and calibration for pressure gauges -- Part 2: High-pressure gases
Alcohol hydrometers -- Metrological and technical requirements and tests
Liquid filled system thermometers
Parshall flume type flowmeters
Electromagnetic flowmeters
Method of flow measurement by coriolis meters (mass flow, density and volume flow measurement)
Electronic digital-indicator gauge
Calibration and test method for force-proving instruments
Brinell hardness test -- Verification and calibration of testing machines
Vickers hardness test -- Verification and calibration of testing machines
Rockwell hardness test -- Verification and calibration of testing machines and indenters
Shore hardness test -- Verification of testing machines
Calibration of force-proving instruments used for the verification of uniaxial testing machines
Erichsen cupping testers
Rockwell hardness test -- Calibration of reference blocks
Shore hardness test -- Calibration of reference blocks
Knoop hardness test -- Verification and calibration of testing machines
Vickers hardness test -- Calibration of reference blocks
Brinell hardness test -- Calibration of reference blocks
Calibration and verification of helical compression and extension springs testing machines
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