State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by differential pressure method. Orifice plates, nozzles ISA 1932 and Venturi tubes inserted in circular cross-section filled conduits. Speci

NEPLATNÁ vydaná dňa 1.1.1999

State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by differential pressure method. Measurement procedure by orifice instruments

NEPLATNÁ vydaná dňa 1.1.1999

State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by differential pressure method. Procedure and module of calculations. Software

NEPLATNÁ vydaná dňa 1.1.1999

State system for ensuring the uniformity of measurements. State verification shedule for means of electric field intensity measurement within frequency range 0-20 kHz

NEPLATNÁ vydaná dňa 1.1.1997

State system for ensuring the uniformity of measurement. State verification scheme for means of measuring electrical capacity in frequency range from 1 to 100 MHz

NEPLATNÁ vydaná dňa 1.7.1999

State system for ensuring the uniformity of measurements. Metrological ensuring of atomic power stations exploitation. General principles

NEPLATNÁ vydaná dňa 1.1.1997

The state system for ensuring the uniformity of measurements. Standard radiation sources (reference sources) in form of black body models for temperature range -50 +2500 degree C. Standard procedure for metrological certification and verification

NEPLATNÁ vydaná dňa 1.7.1997

Staty system for ensuring the uniformity of measurements. Interstate data system on physical constants and properties of substances and materials. General statements

NEPLATNÁ vydaná dňa 1.7.2000

State system for ensuring the uniformity of measurements. Time and frequency maesurements. Terms and definitions

NEPLATNÁ vydaná dňa 1.7.2001

State system for ensuring the uniformity of measurements. The verification of testing equipment. General principles

NEPLATNÁ vydaná dňa 1.7.1998