Ordering Information

Ordering Code CDM150/U/PS/4K ALTO
ANSI Designation M102/M142/E
Product Number 154948
Description Ceramic Metal Halide
Pulse Start TCLP Compliant
Package Quantity 12

Physical Characteristics

Bulb Size ED-23.5
Bulb Finish Clear
Base Mogul
Max. Overall Length (MOL) 7.75" (195mm)
Light Center Length (LCL) 5.00" (127mm)
Arc Length .3125" (8mm)
Arc Tube Material Ceramic (PCA)
Maximum Permissible Bulb Temperature 400ºC ANSI
Maximum Permissible Base Temperature 190ºC ANSI
Maximum Bulb to Base Eccentricity
Maximum Art Tube to Base Eccentricity

Operating Characteristics (Photometric)

Approximate Initial Lumens113,000
Approximate Mean Lumen29750
Efficacy (LPW) 87
Approximate Lumen Maintenance
@ 10% Rated Life 90%
Approximate Lumen Maintenance
@ 40% Rated Life 75%
Rated Average Life, Hours324,000
Correlated Color Temperature (CCT) 4000 K Vertical
3700 K Horizontal
CIE Chromaticity Approximate x-.385, y-.375
Color Rendering Index (CRI) 90

Operating Position

Universal—For enclosed fixtures only

TCLP Characteristics

Toxicity Characteristic Leaching Procedure (Federal TCLP) Results
Hg Hg Pb
(mg/l) (mg/lamp) (mg/l)
Federal Limit Max (Mercury & Lead) 0.200 n/a 5.00
CDM150/U//PS/4K ALTO (Average) 0.0923 11.4 0.00
MasterColor®CDM Ceramic Metal Halide 150 Watt Pulse Start for Enclosed Fixtures

featuring ALTO®Lamp Technology

MOL
LCL
ARC
Length
0
50
40
30
20
10
60
70
80
90
100
4000 8000 12,000 16,000 20,000 24,0000
Percent Lumen Maintenance
Life (Hours)
Approximate Lumen Maintenance Curve
0
50
40
30
20
10
60
70
80
90
100
10,000 12,000 14,000 16,000 18,000 20,000 22,000 24,000
Percent Survival
Life (Hours)
Approximate Survival Curve