Document ID: chunk:federal_register_of_legislation:F2023C00162:body:0:p10
Version: federal_register_of_legislation:F2023C00162
Segment Type: other
Provision Reference: 
Character Range: 26421–29479

(first sampling) would be 0.95.

       Annex 5

       MINIMUM REQUIREMENTS FOR SAMPLING BY AN INSPECTOR

       1. GENERAL

       1.1. The conformity requirements shall be considered satisfied from a mechanical and a geometric standpoint, if the differences do not exceed inevitable manufacturing deviations within the requirements of this Regulation.

       1.2. With respect to photometric performance, the conformity of mass-produced headlamps shall not be contested if, when testing photometric performances of any headlamp chosen at random and equipped with a standard filament lamp, no measured value deviates unfavourably by more than 20 % from the values prescribed in this Regulation.

       1.3. The chromaticity coordinates shall be complied with when the headlamp is equipped with a filament lamp set to Standard A colour temperature.  The photometric performance of a headlamp emitting selective yellow light when equipped with a colourless filament lamp shall be multiplied by 0.84.

       2. FIRST SAMPLING

       In the first sampling four headlamps are selected at random. The first sample of two is marked A, the second sample of two is marked B.

       2.1. The conformity is not contested

       2.1.1. Following the sampling procedure shown in Figure 1 of this Annex the conformity of mass-produced headlamps shall not be contested if the deviation of the measured values of the headlamps in the unfavourable directions are:

       2.1.1.1. sample A

       A1: one headlamp       0 %

         one headlamp not more than 2    0 %

       A2: both headlamps more than     0 %

         but not more than      20 %

       go to sample B

       2.1.1.2. sample B

       B1: both headlamps      0 %

       2.2. The conformity is contested

       2.2.1. Following the sampling procedure shown in Figure 1 of this Annex the conformity of mass-produced headlamps shall be contested and the manufacturer requested to make his production meet the requirements (alignment) if the deviations of the measured values of the headlamps are:

       2.2.1.1.  sample A

       A3: one headlamp not more than     20 %

         one headlamp more than     20 %

         but not more than      30 %

       2.2.1.2.  sample B

       B2:  in the case of A2

         one headlamp more than     0 %

         but not more than      20 %

         one headlamp not more than     20 %

       B3:  in the case of A2

         one headlamp       0 %

         one headlamp more than     20 %

         but not more than      30 %

       2.3.  Approval withdrawn

       Conformity shall be contested and paragraph 10 applied if, following the sampling procedure in Figure 1 of this Annex, the deviations of the measured values of the headlamps are:

       2.3.1.  sample A

       A4: one headlamp not more than     20 %

         one headlamp more than     30 %

       A5: both headlamps more than     20 %

       2.3.2.  sample B

       B4:  in the case of A

         one headlamp more than     0 %

         but not more than      20