Philips 144758 - Manual

7"
11 1 / 2 "
◗ Ordering Information
Ordering Code MS400/HOR/PS
ANSI Designation M155/M135/E
Product Number 144758
Description Pulse Start Metal Halide
Package Quantity 6
◗ Physical Characteristics
Bulb Size ED-37
Bulb Finish Clear
Base (Nickel Plated Brass) Mogul-Screw
Maximum Overall Length (MOL) 11 1/2'' (292mm)
Light Center Length (LCL) 7.0'' (178mm)
Arc Length 1.57'' (40mm)
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)
Approx. Initial Lumens 1,2 36,800
Approx. Mean Lumens 1,3,4 25,760
Rated Average Life, Hours 5 15,000
Correlated Color Temp. (CCT) 3 4300K
CIE Chromaticity Approx. 3 x-.380, y-.405
Color Rendering Index (CRI) 62
Efficacy (lpw) 92
◗ Operating Position
Horizontal ± 15º–Enclosed Luminaires
Note: Pulse Start Metal Halide is Designed for Operation
on Only Approved Ballasts with Metal Halide Pulse Ignitors.
Pulse Start Horizontal Metal Halide
400 Watt Lamp (Clear)
MS400/HOR/PS
Lumen Maintenance
BURNING HOURS
RATED AVERAGE LIFE 15,000 HOURS
100%
90%
80%
70%
60%
50%
40%
0 2000 4000 6000 8000
%
L
U
M
E
N
M
A
IN
T
E
N
A
N
C
E