Division 2.1 Measurement of distance travelledF1F2

020 The distance travelled may be measured either:

• so as to cumulate both forward and reverse movements, or

• so as to include only forward movement.

021 The recording equipment shall measure distance from 0 to 9 999 999,9 km.

022 Distance measured shall be within the following tolerances (distances of at least 1 000 m):

• ± 1 % before installation,

• ± 2 % on installation and periodic inspection,

• ± 4 % in use.

023 Distance measured shall have a resolution better than or equal to 0,1 km.