State Primary Standard of the Unit of Acceleration of Free Fall

Reproduction and maintenance of the gravity acceleration unit.

Transferring of the size of the gravity acceleration unit to the working standards and working measuring instruments by means of the method of direct measurements and method of comparison with the help of comparator in accordance with DSTU 3382:2009 “Metrology. National verification scheme for measuring instruments of the gravity acceleration”.


Read more about ДЕТУ 02-02-14.

Metrological characteristics


from 9,77 m/s2 to 9,85 m/s2

Uncertainty by type A (uA)

5·10-8 m/s2

Uncertainty by type B (uB)

2·10-8 m/s 2

Total standard uncertainty (uC)

5,4·10-8 m/s 2

Extended uncertainty (U)

11·10-8 m/s 2