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7 "
11
1
/2"
■ Ordering Information
Ordering Code MS750/BU/BT37/PS
ANSI Designation M149/E
Product Number 135400
Description Pulse Start Metal Halide
Package Quantity 6
■ Physical Characteristics
Bulb Size BT-37
Bulb Finish Clear
Base (Nickel Plated Brass) Mogul Screw
Max. Overall Length (MOL) 11 1/2'' (292mm)
Light Center Length (LCL) 7.0'' (178mm)
Arc Length 2.46'' (62.5mm)
Arc Tube Material Quartz
Max. Permissible Bulb Temp. 430ºC (806º F)
Max. Permissible Base Temp. 210ºC (410º F)
Max. Bulb to Base Eccentricity 3º
Max.Arc Tube to Base Eccentricity 3º
■ Operating Characteristics (Photometric)
Rated Initial Lumens 82,000
Mean Lumens,Approx. 61,500
Rated Average Life, Hours 16,000
Correlated Color Temp. (CCT) 4000K
CIE Chromaticity Approx. x-.382, y-.398
Color Rendering Index (CRI) 65
Efficacy (lpw) 109
■ Operating Position
Base Up ± 15º–Enclosed Luminaires Only
Note: Pulse Start Metal Halide is Designed for Operation on Only
Approved Ballasts with Metal Halide Pulse Ignitors.
MS750/BU/BT37/PS
Lumen Maintenance
BURNING HOURS
RATED AVERAGE LIFE 16,000 HOURS
100%
90%
80%
70%
60%
50%
40%
0 2000 4000 6000 8000
% LUMEN
MAINTENANCE
Pulse Start Metal Halide
750 Watt Lamp (Clear)