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5"
8
1
/4"
Pulse Start Metal Halide 175 Watt Lamp (Clear)
■ Ordering Information
Ordering Code MS175/BU/PS
ANSI Designation M137/E
Product Number 276626
Description Pulse Start Metal Halide
Package Quantity 12
■
Physical Characteristics
Bulb Size ED-28
Bulb Finish Clear
Base (Nickel Plated Brass) Mogul-Screw
Max. Overall Length (MOL) 8 5/16'' (211mm)
Light Center Length (LCL) 5.0'' (127mm)
Arc Length .78'' (20mm)
Arc Tube Material Quartz
Max. Permissible Bulb Temp. 400ºC (752ºF)
Max. Permissible Base Temp. 210ºC (410ºF)
Max. Bulb to Base Eccentricity 3º
Max.Arc Tube to Base Eccentricity 3º
■
Operating Characteristics (Photometric)
Rated Initial Lumens 16,000
Mean Lumens,Approx. 11,200
Rated Average Life, Hours 15,000
Correlated Color Temp. (CCT) 3700K
CIE Chromaticity Approx. x-.396, y-.390
Color Rendering Index (CRI) 65
Efficacy (lpw) 91
■
Operating Position
Base Up ± 15º-Enclosed Luminaires Only
Note: Pulse Start Metal Halide is Designed for Operation on Only Approved
Ballasts with Metal Halide Pulse Ignitors.
MS175/BU/PS
Lumen Maintenance
BURNING HOURS
RATED AVERAGE LIFE 15,000 HOURS
100%
80%
60%
40%
20%
0%
0 2000 4000 6000 8000
% LUMEN
MAINTENANCE