Q
Ordering Information
Ordering Code
CDM350/V/O/PS/4K/ALTO
ANSI Designation
M171/O, M131/O
Product Number
132571
Description
MasterColor Pulse Start
Ceramic Metal Halide
Package Quantity
6
Q
Physical Characteristics
Bulb Size
ED-37
Bulb Finish
Clear
Base
Extended Eyelet
Mogul Screw (EX39)
Max. Overall Length (MOL)
11.5 (292mm)
Light Center Length (LCL)
7.0 (178mm)
Arc Length
24mm
Arc Tube Material
Polycrystalline Alumina
Max. Permissible Bulb Temp.
400°C (752°F)
Max. Permissible Base Temp.
210°C (410°F)
Maximum Bulb to Base Eccentricity
3º
Maximum Arc Tube to Base Eccentricity 3º
Q
Operating Characteristics (Photometric)
Rated Initial Lumens
1
31,500
Mean Lumens,Approx.
2
25,200
Rated Average Life, Hours
24,000
Correlated Color Temp. (CCT)
2
4200K
CIE Chromaticity Approx.
2
x-.371, y-.372
Color Rendering Index (CRI)
90
Efficacy (lpw)
90
Q
Operating Position
Vertical ± 15°-Open or Enclosed Luminiares
CDM 350/C/V/O/PS/4K/ALTO
Lumen Maintenance
BURNING HOURS
RATED AVERAGE LIFE 24,000 HOURS
80%
100%
60%
40%
20%
0%
0
5000
10,000 15,000 20,000 24,000
%
LU
M
EN
M
A
IN
T
EN
A
N
C
E
Patented coil design
offers protection for
open fixture rating
Patented dual frame
offers improved life
and reliability
MasterColor
®
Pulse Start Ceramic Metal Halide
350 Watt ED-37 (Clear) Lamp
featuring
ALTO
®
Lamp Technology
