Pulse Start Universal Metal Halide
250 Watt Lamp (Clear)
Q Ordering Information
Ordering Code
ANSI Designation
Product Number
Description
MS250/U/PS
M153/M138/E
232801
Pulse Start Metal Halide
12
Package Quantity
Q Physical Characteristics
85/16"
Bulb Size
ED-28
Clear
Bulb Finish
Base (Nickel-Plated Brass)
Max. Overall Length (MOL)
Light Center Length (LCL)
Arc Length
Arc Tube Material
Mogul Screw
8 5/16" (211mm)
5.0" (127mm)
1.36" (34.5mm)
Quartz
5"
Max. Permissible Bulb Temp.
Max. Permissible Base Temp.
Maximum Bulb to Base Eccentricity
400°C (752°F)
210°C (410°F)
3º
Maximum Arc Tube to Base Eccentricity 3º
Q Operating Characteristics (Photometric)
Horizontal
Vertical
22,000
15,400
12,000
3800K
62
1, 2
Rated Initial Lumens
20,000
14,000
12,000
4000K
62
1,3,4
Mean Lumens,Approx.
Rated Average Life, Hours
Correlated Color Temp. (CCT)
Color Rendering Index (CRI)
Efficacy (lpw)
5
3
80
88
3
CIE Chromacity Approx.
x-.384, y-.398
Q Operating Position
Universal
Note: Pulse Start Metal Halide is designed for operation on only approved ballasts
with Metal Halide Pulse Ignitors.
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