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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Variable message traffic signs – Parl 3: This documenl contains a number of defined requirementssome of which have 10 be demonstrated on the tes1 moduleothers tha1 are 10 be verified by the manufac1urer. It is essential that all materials and manufacturing processes take 1his into account.
The manufacturer should detail al1 steps laken 10 comply with this 4 www. Factory production conlrol EN Tests – Test Sa: Tests – Test Db and guidance: Damp heat, cyclic 12 plus 12 hour cycle IEC Test melhods – Test Fh: A matrix may cover the whole display surface or part of it. Axes X and Y of the grid may or may not be orthogonal 3. The wn shaU ensure thal 8 www.
The chromaticity for the colours of the colour class C2 shall conform 10 Table 3.
BS EN – Road vertical signs. Variable message traffic signs
The luminance ralio values shalt be maintained for all illuminances between Ix and 40 Ix. The test angles are dependent on the beam width classsee 7. Each beam width class is delermined by a se! The minimum luminance at within the beam width angles shall not be lower than 0,5 x: P3 P3 Is the most restrictive 8. Class 04 EN The manufacturer shall state in delaiJ each of the settings for all parameters relevant for the various tests 9.
A test module migh! The shaded squares are equivalent element areas and form the optical te5t area The spacing between the centres of the etements shall be measured for the test moduleswhich meet the test requirements and shall be reported as the “elemen!
The test shall comprise a minimum of 10 cycles 9.
Test Fh, Class AJ2. Duration of condilioning 90 min in each of 3 axes. Visual inspection and Function test. 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. Visual inspection and Function Test.
BS EN 12966-1:2005+A1:2009
None Th, equipmenl shall b, switched OFF. Intermediate measurements None Final measurements: Visual inspection and Funclion test. When equipment is used in a situation where it can be in direct sunlight. These effects shall be tested by either conducting the dry heat test or the solar radiation tesl for Class T1 only. Equipment switched off until the flnal hour. Final measurements Visual inspection and Function test Pre-conditioning None.
B Objecl of Ihe lest: Humidity conditions No requirement Test duration: Visual inspection and Function test 9. Supplied sources shall be suilably aged so Ihat Iheir eleclrical and optical characlerislics are as slable as possible. In order 10 limit measuring errors 50me angles are limited. Finished VMS shall be c1early, durably and visibly marked with the following information a name or identifying mark of the manufacturer; b name and registered address of the manufacturer; c product name and i!
BS EN 12966:2014
Marking required by this documen! To achieve 129666 effect the combination of luminance and element spacing shall be balanced. The luminance, measured in cdlm2, is the light intensity per illuminated area in this case the equivalent area of each eb Figure A. The luminous intensity of the elements shalt be known. Iuminous intensity of 12 cd. The equivalent width of the test matrix we is 5 x 38,1 ‘” ,5 mm. Sometimes one or more VMS can be fitted into a panelwhich can posSibly al50 display fixed text andfor symbols.
R nl l’me and the horizonll’l l f p. Purchasers have different requirements conceming inversion. To reduce this and to improve the quality of the displayed pictogram, it is advisable to limil the dis! NOTE2 The minimum characler spacing is equa! This distance is measured fr. 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. This has consequences for the perceived dimensions of message.
In generallhe perceived size is larger than the physicat size. The square area around each elemenl is the equivalent elemenl area.
The shaded area is the equivaJent area of the letter. In general the perceived size is larger than the physical size. The shaded area is Ihe equivalent area oftheletter The right hand side shows the appearance of the letter in reality 61????? For the observer the lighl b be blurred around the cenlre of the element. As a consequence of this the letler will not have a sharp outline. When the elements have more than one lighl source or have non-circular lighl sources the blurring may be slighlJy differen!
Vertical road Iraffic signs. Part 1 Variable message slgns Inlended use: Tables 13 and 15 Resistance 10 horizontalloads For this ilem reference is made 10 8.
Message Signs permanently for tt1e instruction aod guidance of road users on public and private land. Annex ZA of this EN ; 6 5?????
The label gives the information required and examples of responses 67????? Jt presents the UK view on standards in Europe and a t.
It is incorporated by Royal Charter Revisio ns British Standards are llpdated by amendment or revision. Users of British Standards should make sure that they possess em 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 the Secretary hs the technical committee responsible, the identity of which can be found on the inside front cover Tel: Standards are also available from the BST website at httn: