Covers 2 types of Variable Message Signs (VMS): continuous and discontinuous. Details the performance requirements for Variable Message Signs used for the. BS EN Road vertical signs. Variable message traffic signs. standard by British-Adopted European Standard, 12/31/ View all product details. BS EN Road vertical signs – Variable message traffic signs.
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The Amber document status indicator indicates that some caution is needed when using this document – it is either: Jt presents the UK view rn standards in Europe and a t. None Th, equipmenl shall b, switched OFF. To reduce this and to improve the quality of the displayed pictogram, it is advisable to limil the dis!
No published date found. The luminance ralio values shalt be maintained for all illuminances between Ix and 40 Ix. When equipment is used in a situation where it can be in direct sunlight.
Iuminous intensity of 12 cd.
BS EN – Road vertical signs. Variable message traffic signs
Final measurements Visual inspection and Function test Pre-conditioning None. As a consequence of this the letler will not have a sharp outline. This documenl contains a number of defined requirementssome een which have 10 be demonstrated on the tes1 moduleothers tha1 are 10 be verified by the manufac1urer. The design shaU ensure thal 8 www. The manufacturer shall state in delaiJ each of the settings for all parameters relevant for the various tests 9.
The chromaticity for the colours of the colour class C2 shall conform 10 Table 3. In order 10 limit measuring errors 50me angles are limited. The minimum luminance at within the beam width angles shall not be lower than 0,5 x: Visual inspection and Function Test. If you need help with the purchase or have any queries please email bx standards.
Supplied sources shall be suilably aged so Ihat Iheir eleclrical and optical characlerislics are as slable as possible. When the elements have more than one lighl source or have non-circular lighl sources the blurring may be slighlJy differen!
BS EN – Road vertical signs. Variable message traffic signs (British Standard)
Each beam width class is delermined by a se! This has consequences for the perceived dimensions of message. Want access to British Standards?
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The luminance, measured in cdlm2, is the light intensity per illuminated area in this case the equivalent area of each element Figure A. Standards are also available from the BST website at httn: Visual inspection and Function test Table Corrosion test Initial measurements Visual inspection and Function tesl State of the test module during the test Unpacked, locked, switched off.
NOTE2 The minimum characler spacing 1966 equa! Factory production control Withdrawn.
129666 these links to find other Standards similar to the one you are viewing. The manufacturer should detail al1 steps laken 10 comply with this 4 www.
BS EN 12966-1:2005+A1:2009
International Classification for Standards ICS is an international classification system for technical standards. The test shall 19266 a minimum of 10 cycles 9. A matrix may cover the whole display surface or part of it. Factory production conlrol EN Class 04 EN