Howard Industries MH175/U Specifications
Specification Sheet
Metal Halide Lamps
MOL
LCL
12/8/2011
MH175/U
Project:
Metal Halide
175 Watt ED28 (Clear) Lamp
Ordering Information
Howard Catalog Number (Ordering Code) MH175/U
UPC Code 0111 2
ANSI Designation M57/E
Description Metal Halide
Package Quantity 12
Physical Characteristics
Bulb Size ED28
Bulb Finish Clear
Base Mogul
MOL (Maximum Overall Length) (in.) 8.31
LCL (Light Center Length) (in.) 5
Operating Characteristics
Lamp Watts (Nominal) 175
Approx. Initial Lumens 16,000
Approx. Mean Lumens 12,800
Average Rated Life (Hours) 10,000V/7,500H
Color Temperature (K) 4,200
CRI (Color Rendering Index) 60
Operating Position
Universal
Catalog#:
Approved by:
Note:
1. WARNING: THIS LAMP CAN CAUSE SEROUS SKIN AND EYE INFLAM-
MATION FROM SHORT WAVE ULTRAVIOLET RADIATION IF THE OUTER
ENVELOPE OF THE LAMP IS BROKEN OR PUNCTURED. DO NOT USE
WHERE PEOPLE
WILL REMAIN FOR MORE THAN A FEW MINUTES UNLESS ADEQUATE
SHIELDING OR OTHER SAFETY PRECAUTIONS ARE USED. Lamps that
will automatically extinguish when the outer envelope is broken or punctured
are commercially available.
2. When operated on ballasts having a sustaining voltage less than 270V, lamp
life may be signicantly reduced.
3. Lamps classied as E-type are to only be used in suitably enclosed luminaries.
Please see Howard HID Lamp Warning.
4. Electrical Shock and Burn Hazard: Do not remove or insert lamp when
power is own. If outer glass bulb is broken, shut off power immediately and
remove lamp after it has cooled.
5. Protect lamp from direct contact with liquids to avoid breakage from thermal
shock.
6. This lamp must be used only with proper circuit and auxiliary equipment and
suitable ballast.
7. Do not scratch the glass of bulb or subject this lamp to undue pressure as
either may cause lamp to break. Replace scratched, cracked, broken or damaged bulbs immediately.
8. The lamp should be screwed rmly, but not forcibly, into the socket to reduce
the possibility of loosening due to vibration. Use of excessive force may result
in lamp breakage.
9. Do not touch hot lamps with ngers, skin or any ammable material. Lamps
may remain hot after being turned off.
10. Keep combustible materials away from lamp during operation.
11. Do not paint the lamp to prevent its overheating or breakage.
12. This is a discharge lamp and requires some time to restart and come up to
full brightness after a power interruption. Lamps may require 2 to 4 minutes to
relight.
13. Recycle lamps in accord with local, state, and federal disposal laws.
See: www.lamprecycle.org.
14. Specications subject to change. Actual results may vary.
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
www.HowardLightingProducts.com
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