Division 2

The descriptive plaque must be built into the equipment and must show the following markings, which must be visible on the equipment when installed:

• name and address of the manufacturer of the equipment,

• manufacturer's number and year of construction,

• approval mark for the equipment type,

• the constant of the equipment in the form ‘k = … rev/km’or ‘k = … imp/km’,

• optionally, the range of speed measurement, in the form indicated in point 1,

• should the sensitivity of the instrument to the angle of inclination be capable of affecting the readings given by the equipment beyond the permitted tolerances, the permissible angle expressed as:

  

  where α is the angle measured from the horizontal position of the front face (fitted the right way up) of the equipment for which the instrument is calibrated, while β and γ represent respectively the maximum permissible upward and downward deviations from the angle of calibration α .