State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for measuring means of magnetic inductance of static field in the range from 1x10 in minus 12 degree up to 5x10 in minus 2 degree T, constant magnetic flux, magnetic inductance and magnetic moment in frequency band from 0 - 20000 Hz
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. Specifications
