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8.2
Lamps Characteristics
The standard light source is a 4.85 Watt, 5.0 Volt halogen lamp. Figure 17 below shows the standard light
source and two alternates which use less power. They may be satisfactory for a display in low to no ambient
light and are available by special order.
Lamp
Power
* 4.5 Watts
2.5 Watts
1.5 Watts
* Standard
These sources all include a reflector as part of the lamp, which focuses the light toward the polished end of the
fiber bundle.
Rated life is expressed for operation at design voltage with alternating currents under laboratory test conditions.
Actual life (L
) is very sensitive to applied voltage (V
A
rated design voltage.
12
L
= (R
) (V
/V
)
A
L
R
A
The lamp may be powered by either AC or DC voltage. The 8.0" lamp leads are terminated in a Molex
connector P/N 50–57–9402. This mates with numerous Molex headers including the following:
70553–0106, PWB Mount
70107–0036, Panel Mount
70107–0001, Wire–To–Wire
8.3
Standard Operation
Lamp Color Temperature:
Display Luminance:
Luminance Uniformity:
Operating Temperature:
Storage Temperature:
Industrial Electronic Engineers, Inc.
Van Nuys, California
Rated
Relative
Voltage
Brightness
5.0 Volts
1.0
5.0 Volts
0.4
12.0 Volts
0.4
Figure 17
Typical Lamp Characteristics
2900 – 3100 K
3.0 – 4.5 ft–L
AVG 30%
–30 to +80 C
–40 to +85 C
SIZE
SCALE
Rated
Life (R
)
L
15k Hours
5k Hours
15k Hours
) as expressed by the following equation where V
A
CODE IDENT NO.
A
05464
N/A
REV
Lamp
Type
Halogen
Gas
Incandescent
S03875–06–0214
A
SHEET 24
is the
R
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