Observation Angle definition
Observation Angle means the angle having as its sides the line from the observation point to the center of the object to be tested and the line from the center of that object to the center of the source of illumination (Figure 2).
Observation Angle means the angle by which the direction of observation of the retro reflector differs from the direction of incident light. 3.15 ‘Testing Agency’ an organization specified in Rule 50 of CMVR for Certification of compliance to the provisions. This definition is applicable to this standard for the certification of HSRP. 3.16 ‘3rd Registration plate sticker’ The 3rd registration plate sticker in the form of a self-destructive type and the third registration plate sticker should be essentially diffraction foil film with high reflective index shall be of the size of 100±1 mm X 60±1 mm and shall have chromium base hologram embedded. 3.17 ‘Snap Lock’ is the metallic lock which is essentially non-reusable type. The snap lock shall be so designed that it is not possible to remove by use of tool(s) unless break/cut the lock. 4.0 APPLICATION FOR APPROVAL OF HSRP 4.1 Information to be submitted at the time of applying for type approval of the HSRP as given in Annex A 5.0 APPROVAL 5.1 If the provisions of this standard are fulfilled approval shall be granted. 5.2 Two alphabets representing the name of the holder of the type approval shall be assigned by the test agency issuing the approval to each type approvedHSRP as prescribed in this standard. 6.0 GENERAL SPECIFICATIONS: 6.1 The plate shall be a solid unit made of 1.0-0/+0.2 mm aluminum conforming to DIN: 1745 / DIN: 1783. Manufacturer shall submit a test report to the test agency in evidence of the material of the HSRP complying with the standards.The plate border edges and corners shall be rounded to avoid injuries to the extent of approx. 10mm and the plates must have an embossed border. The plate shall be suitable for hot stamping and lamination of reflective sheet. The fast colouring using hot stamping film of legend and border to be done by hot stamping.The plate will not crack while embossing border or numbering and will sustain lamination of reflective sheet along with hot stamping film.The Registration Plate shall be guaranteed for imperishable nature for a period mentioned in rule 50 of the Central Motor Vehicles Rules, 1989. 6.2 The plate should bear the letters "IND" as specified in Rule 50 of CMVR. 6.3 The chromium-based hologram specified in CMV rule 50 shall be of the size (20 mm x 20 mm) ± 1mm and is to be applied by hot stamping on the top left hand corner of the plate. The hologram shall contain CHAKRA in blue colour as given in ANNEX - B of this standard. Stickers and adhesive labels are not permit...
Observation Angle means the angle by which the direction of observation of the retro reflector differs from the direction of incident light.
Examples of Observation Angle in a sentence
Entrance Angle 86.0º 86.0º 86.5º Observation Angle 0.2º 0.5º 1.0º Retroreflected ▇▇▇ ▇▇▇ ▇▇▇ Luminance RL (mcd-ft-2-fc-1) Skid Resistance The surface of the retroreflective films shall provide an initial minimum skid resistance value of 55 BPN as measured by the British Portable Skid Tester in accordance with ASTM E303.
The test instrument shall use an Entrance Angle of 88.76° and Observation Angle of 1.05° which represent a simulated driver viewing geometry at a 30 meter distance.