6.1 Electronic inclinometers should provide the
data with sufficient accuracy for a proper assessment of the ship's
dynamic situation. Minimum accuracy of the measurements should be
5 per cent of reading or ± 1 degree, whichever is the greater
for angle measurements and 5 per cent of reading or ± 1 s,
whichever is the greater for time measurements.
6.2 Actual heel angle and time measurement accuracy
should not be unduly affected by other linear or rotational movements
of the ship (e.g. surging, swaying, heaving, pitching, yawing) or
by transverse acceleration ranging from -0.8 g to +0.8 g.