State Primary Standard of the Pressure Unit for Excess Pressure
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Reproduction and maintenance of pressure unit for overpressure.
Dissemination of the size of pressure unit to the secondary standards by means of direct comparison in accordance with DSTU 4007-2001 “Metrology. National verification scheme for measurement instruments of overpressure in range from minus 100 kPa to 20 MPa”.
Metrological characteristics | ||
Range | from 0,05 MPa to 10 MPa | |
Uncertainty by type A (uA) | 3·10-6 | |
Uncertainty by type B (uB) | 2,6·10-6 | |
Total standard uncertainty (uC) | 4·10-6 | |
Extended uncertainty (U) | 8·10-6 |