State system for ensuring the uniformity of measurements. Flow rate and volume of gas. Procedure of measurements by turbine, rotary and vortex meters

Standard published on 1.3.2024

State system for ensuring the uniformity of measurements. Volume of natural gas. The general requirements to procedure of measurements

Standard published on 1.11.2019

State system for ensuring the uniformity of measurements. Measuring installations of 1-st class of moisture content of firm and loose materials. Verification procedure

Standard published on 1.5.2013

State system for ensuring the uniformity of measurements. Optics and photonics. Interferometric measurement of optical elements and systems. Part 1. Terms, definitions and fundamental relationships

Standard published on 1.3.2013

State system for ensuring the uniformity of measurements. Optics and photonics. Interferometric measurement of optical elements and optical systems. Part 3. Calibration and validation of interferometric test equipment and measurements

Standard published on 1.3.2013

State system for ensuring the uniformity of measurements. Optics and photonics. Interferometric measurement of optical elements and optical systems. Part 2. Measurement and evaluation techniques

Standard published on 1.3.2013

State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the ratio error and phase displacement of a.c. power frequency voltage in the range from 0,1/V3 to 750/V3 kV

Standard published on 1.1.2013

State system for ensuring the uniformity of measurements. Metals and alloys. Vickers hardness test. Part 3. Calibration of reference block

Standard published on 1.5.2013

State system for ensuring the uniformity of measurements. Metallic materials. Instrumented indentation test for hardness and materials parameters. Part 1. Test method

Standard published on 1.5.2013

State system for ensuring the uniformity of measurements. LED. Methods of photometric measurements

Standard published on 1.5.2013