S
ERVICE
M
ANUAL
6 - 2
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
6-1 Lamp Specifications
Operating and Measurement Conditions
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Ballast type
Test conditions stable at 120W with
OSRAM PT VIP 120 AC/100-240 H ballast
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Rated lamp wattage
120 W (cf. note in item 1. Product Scope)
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Burner position
0° to +20° (0° optical axis horizontal)
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Burning position
horizontal
Temperature
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Lamp burner Mo foil, back
< 350°C
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Lamp burner Mo wire
< 400°C
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Lamp burner Mo foil, front
< 350°C
Validation of max. permissible temperatures by reference thermocouple measurement based
on a reference lamp housing.
Typical Burner Characteristics (initial)
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UV-output
UVA (315-400 nm) 7 W typical
UVB (280-315 nm) < 0,1 W
UVC (248-280 nm) < 0,01 W
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UV-output through dichroic reflector
(248-400 nm) 2 W typical
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Total visible flux
(400-780 nm) 30 W typical
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IR
(780-2500 nm) 30 W typical
Average Lamp Life and Lumen Maintenance
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Switching cycle
3.5 hrs on 0.5 hrs off
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Lamp life time
1000 hrs typical
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Lamp life
Lamp output >50% of initial lumen output
Rise Time
Rise time to 80% of the stabilized luminous output is < 90 sec without forced convection.
Extensive cooling of the bulb during lamp run-up phase has to be avoided.
Hot Restrike
If the unit has been off for more than 60 sec. the lamp must restrike.
(Ignition voltage 20 kV +/- 3 kV)
No forced cooling is required following lamp switch-off.
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