®
MasterColor Ceramic Metal Halide
70Watt PAR38 Spot 4K Lamp
™
®
Featuring FadeBlock & ALTO LampTechnology
■ Ordering Information
Ordering Code
ANSI Designation
Product Number
Description
CDM70/PAR38/SP/4K
M143/M98/O
288720
MasterColor
Ceramic Metal Halide
12
Package Quantity
57/16"
■ Physical Characteristics
Bulb Size
PAR-38
Bulb Finish
Clear
Base
Medium Skirted
Max. Overall Length (MOL)
Light Center Length (LCL)
Arc Length
5 7/16" (138mm)
N/A
N/A
Arc Tube Material
Polycrystalline Alumina
Max. Permissible Bulb Temp.
Max. Permissible Base Temp.
Max. Bulb to Base Eccentricity
Max. Arc Tube to Base Eccentricity
300ºC (572ºF)
190ºC (374ºF)
3º
3º
MasterColor® Spectral Power Distribution—4KTypes
350
300
250
200
150
100
50
■ Operating Characteristics (Photometric)
(1)
Rated Initial Lumens
4200
3360
(2)
Mean Lumens,Approx.
0
MBCP (Max. Beam Candlepower)
Beam Angle (at 50% of MBCP)
Rated Average Life, Hours
42,000
15º
10,000
4000K
x-.380, y-.375
92
400
450
500
550
600
650
700
WAVELENGTH (Nanometers)
(2)
Correlated Color Temp. (CCT)
(2)
CIE Chromaticity Approx.
CDM70/PAR38/SP/4K
50
40
30
20
10
0
Color Rendering Index (CRI)
Efficacy (lpw)
60
■ Operating Position
Universal-Open or Enclosed PAR Style Luminaires
0
5
10
15
Note: Electronic ballasts are preferred for optimum performance,
energy efficiency and circuit loading.
Degrees from Beam Axis
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