FIELD: instrument industry.
SUBSTANCE: method comprises switching on the accelerometer, providing a time interval required for thermal and electromagnetic equilibration, rotating the platform of the three-axis gyrostabilizer with the accelerometer with respect to the initial position around the horizontal axis in positive and, then, in negative direction, measuring the signals of the horizontal accelerometers U1 and U2 in each position, and calculating the scale factor of the horizontal accelerometer from the difference in the measured values according to the formula 
where g is the acceleration of gravity.
EFFECT: enhanced accuracy of calibrating.
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