A-A-1765
December 31, 1981
COMMERCIAL ITEM DESCRIPTION
LAMPS, MERCURY VAPOR
The General Services Administration has authorized the use of this commercial item description.
This description covers mercury vapor lamps for general and street lighting.
Salient characteristics:
The burning position shall be in any position.
Approximate initial and mean lumen ratings were obtained for lamps operating in vertical position.
The base shall be made of brass.
If the outer glass bulb is broken, turn the lamp off and remove immediately from the circuit to prevent possible exposure to ultraviolet energy.
The bulb shall be made of heat resistant glass.
The lamps shall be in accordance with ANSI C78.40, C78.1325, C78.386, and C78.380.
The lamps shall have the characteristics specified in Table I.
TABLE I
|
Type |
ANSI Code |
Watts |
Bulb |
Base |
Max. Overall Length (Inches) |
Finish |
Average* Rated Life (hrs) |
Approx. Lumens |
|
Initial Mean ** *** |
||||||||
|
1 |
H44GS-R100 |
100 |
PAR – 38 |
Admedium |
5-7/8 |
Black Light |
12,000 |
2,450 1,700 |
|
2 |
H39KC-R175/DX |
175 |
E38/BT28 |
Mogul |
8-5/16 |
Delux White |
24,000+ |
8,600 7,650 |
|
3 |
H33GL-R400/DX |
400 |
E37/BT37 |
Mogul |
11-1/2 |
Delux White |
24,000+ |
22,000 19,100 |
* The average rated life is for ten hours per start.
** Initial lumen ratings are based upon 100hour photometry readings burned on a reference ballasts.
*** Values shown are based on operation under specified test conditions with 10 or more hours per start. On lamps with 24,000+ hours, mean lumens are based on 16,000 hours of operation and are measured of 8,000 hours.
The issues of ANSI C78.40, C78.1325, C78.386, and C78.380 in effect on the date of the solicitation shall be used to determine compliance with these requirements.
Regulatory requirements. The manufacturer shall utilize recovered materials to the maximum extent practicable.
Packaging, packing, and marking. Packaging, packing, and marking shall be as specified in the contract or order.
ANSI C78.40, C78.380, C78.1325, and C78.386 are available from American National Standards Institute Inc., 1430 Broadway, New York, NY 10018.
MILITARY INTERESTS:
User Activities:
Navy – YD
Air Force – 99
CIVIL AGENCY COORDINATING ACTIVITY:
GSA – FSS
PREPARING ACTIVITY:
GSA - FSS
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