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Sylvania Incandescent Special Service Lamps Brochure 1963
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7/27/2019 Sylvania Incandescent Special Service Lamps Brochure 1963
Cosl per 250 hours operotionTotol cost for 2500 hours would be:
t*c
i &l-b -=.5F -"-\
'.T{
,-?q
FOR zsOO-HOUR SERVIGE
A msintenonce mon ot $2.00 per hour might take 1/z hovr to reploce o hord-to-reoch100 wott lomp. With power rote of 2 cents per kilowotf-hour, figures would beqs follows:
FiXTURES Extended Service Lamps are designed forinstallations where maintenance costs are the primary con-
sideration. Giving a 2500-hour life performance . . . ouer 3
times stur?dard lamp life " . . they can save you money inindustriai high bays, theatre rnarquees, stair wells, and otherplaces where repiacement is difficult and costly.
In such situations, Sylvania Extended Service Lamps willgive you more light for your money . " . particularly if used
with a Group Replacement Plan.
But to gain this longer life, a sacrifice has to be made in li,ghtoutput and effi.ciency. Extended Service Lamps have a 1,5c77o
lawerlight output than standard lamps" Only in hard-to-get-atinstallations, where maintenance costs are unusuaily high,
will these specially designed lamps pay lighting Cividends.(Check tabie at bottom of page to work out your labor cost
"break-even" point.)
lf lobor cost per loStondord lomps. lfPlon for moximum s
$2.66$8.86
EXTENDED SERVICE LAMP
Cost of lomp* $ .ZS
Replocementtorp"ort. . . . . . : : : . 1.00
Power cost for 2500 hours operotion 5.00
Cost per 2500 hours operotion T625To reoch light level of stondord lomp with 15/q less efiicient exlended service lomp, cost
for 2500 hours operotion would be: $Z'19
*Assumes 35lq discount
You Save $1 .OZ Per Lamp
EXAMPLE: lf your powe
1'.',.; ;X l:;ff;:" ""
LABPOWER COST
IN CENTS
PER KWH40
WATTS
0.5 0
1.0 .06
1.5 .15
2.0 .23
2.5 ,31
3.0 .38
Eve ry 25OO HCILt rs
7/27/2019 Sylvania Incandescent Special Service Lamps Brochure 1963