Philips 276626 - Manual

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. 400º C (752º F)
Max. Permissible Base Temp. 210º C (410º F)
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