A-A-2212
July 18, 1984
COMMERCIAL ITEM DESCRIPTION
LAMP SODIUM (High Pressure)
The General Services Administration has authorized
the use of this commercial item description.
This description covers high pressure sodium lamps for general and street lighting.
Salient characteristics.
Burning position – Any.
The base shall be made of brass.
The lamps shall be clear.
Volts – 52
The lamps shall have the characteristics that are described in Table I.
TABLE I – LAMP CHARACTERISTICS
|
Type |
ANSI Code |
Watts |
Base |
Bulb |
Max. Overall Length (inches)
|
Avg. Rated Life (10 hrs. per start) |
Approx. Lumens
|
|
|
Initial */Mean** |
||||||||
|
1 |
S76HA-35 |
35 |
Medium |
E-17, B-17 |
5-7/16 |
16,000 |
2,250 |
2,025 |
|
2 |
S68LP-50 |
50 |
Medium |
E-17, B-17 |
5-7/16 |
24,000+ |
4,000 |
3,600 |
|
3 |
S68MS-50 |
50 |
Mogul |
E – 23 ½, BT-25 |
7-3/4 |
24,000+ |
4,000 |
3,600 |
|
4 |
S62LG-70 |
70 |
Medium |
E-17, B-17 |
5-7/16 |
24,000+ |
5,800 |
5,220 |
|
5 |
S62ME-70 |
70 |
Mogul |
E – 23 ½, BT-25 |
7-3/4 |
24,000+ |
5,800 |
5,220 |
* Initial lumen ratings are based upon 100 hour photometry reading at rated lamp watts.
** Mean lumens are based on operation at approximately 50 percent of rated life, under test conditions with 100 or more burning hours per start.
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