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 minimum luminance at within the beam width angles shall not be lower than 0,5 x: Standards are also available from the BST website at httn: This documenl contains a number of defined requirementssome of which have 10 be demonstrated on the tes1 moduleothers tha1 112966 10 be verified by the manufac1urer.
BS EN – Road vertical signs. Variable message traffic signs
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Users of British Standards should make sure that they possess the latest amendments or editions l t is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform be Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: Factory production conlrol EN Supersedes BS EN NOTE2 The minimum characler spacing is equa!
Test melhods – Test Fh: This document Older versions. In general the perceived size is larger than the physical size. In order 10 limit measuring errors 50me angles are limited. As a consequence of this the letler will not have a sharp outline.
Annex 129966 of this EN ; 6 5????? To achieve this effect the combination of luminance and element spacing shall be balanced. Test Fh, Class AJ2. The manufacturer should detail al1 steps laken 10 comply with this 4 www. Visual inspection and Funclion test.
The shaded area is Ihe equivalent area oftheletter The right hand side shows the appearance of the letter in reality 61?????
The luminance, measured in cdlm2, is the light intensity per illuminated area in this case the equivalent area of each element Figure A. Vertical road Iraffic signs.
Visual inspection and Function test Table Corrosion 1266 Initial measurements Visual inspection and Function tesl State of the test module during the test Unpacked, locked, switched off.
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The Red document status indicator indicates that the document is 129966 old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by bx editorial teams at NBS.
Intermediate measurements None Final measurements: The label gives the information required and examples of responses 67????? This document has been withdrawn without replacement. When equipment is used in a situation where it can be in direct sunlight. Purchasers have different requirements conceming inversion.
Visual inspection and Function test. The square area around each elemenl is the equivalent elemenl area.
BS EN 12966-1:2005+A1:2009
Humidity conditions Hs requirement Test duration: When the elements have more than one lighl source or have non-circular lighl sources the blurring may be slighlJy differen! Tests – Test Db and guidance: Each beam width class is delermined by a se!
A matrix may cover the whole display surface or part of it.
Cables for traffic 1296 installations – Loop cable for vehicle detectors You may be interested in this related standard Traffic signal lanterns You may be interested in this related standard. Typically 10 mainlain Ihe brightness belween Beam Width classes B1 and B71he luminance required for the B7 class would be approximately 24 times the B1 class.