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post top lanterns fluorescent
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These post top lanterns are particularly suitable for town centres, shopping areas, boulevards, works entrances and similar situations
where appearance and colour of light are important.
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Specification
The lantern consists of base casting and cover made from LM-6-M silicon aluminium alloy, joined by a tubular steel spine. Lamp
control is mounted on the spine ready wired to terminal blocks.
The diffuser is an opal 'Perspex' cylinder held in position by a spun aluminium top cover retained by a cast knunckled knob.
The spigot cap is 3" (7.6 cm) diameter x 3" (7.6 cm). Weight of instant start start lantern with gearl two lamps 30 lb (13.6 kg)
4 lamp 38 lb (17.2 kg). Switch start lanterns are 2lb lighter.
Product Numbers
53/46200 | 2 x 40W 2ft. SS | 200/250v |
53/46201 | 2 x 40W 2ft. IS | 200/250v |
53/46202 | 4 x 40W 2ft. SS | 200/250v |
51/46203 | 4 x 40W 2ft. SS | 200/250v |
Prefix Is - instant start. SS - switch start
Post Top Lanterns in the shopping
centre of Crawley New Town
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Light Output (Lamp MCF/U watts) Lumen Rating | 4 x 40W 4 x 1510 |
Total light output of lantern - lumens Light output in lower hemisphere - lumens Light output in upper hemisphere - lumens Total light output ratio Percentage of lantern output in lower hemisphere Percentage of lantern output in upper atmosphere Lumens per 100 linear feet at 90 ft. spacing |
3330 1665 1665 50% 50% 50% - |
Conversion Factors. Diagrams are drawn for the old average ratings of
the MCF/U lamps. To convert to the present average rating shown in the table and for other conditions multiply by conversion
factor. |
Initial lamp output - clean lantern |
1.24 1.38 |
Average lamp output - clean lantern |
1.11 1.12 |
Light Distribtion data are only given for the guidance of the Lighting Engineer and represent the results of laboratory tests
on a typical lantern taken from stock. The data are based on the lamp characteristics stated; if the latest lamp efficiency is
different, the candela or lumen values should be calculated in direct propotion to the relative lamp lumens.
Mean Polar Curves in a Vertical Plane
The company reserve the right to change without notice
the design or the specification of equipment included in
this publication and supplied by them.
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