|
TTB
250H/400H Series Overhead Projector
*
High resolution 3-element focusing lens for sharp
images.
* Stage slide construction for easy lamp changing.
* Quick lamp changer provides presentations without
interruption.
* External fringing adjustment to eliminate
yellow-blue color rings.
* Whisper-quiet cooling system.
* All metal body is shaped simple and clear.
* Safety interlock switch provides multiple
protection.
* 400H can be used with LCD panel.
Specifications:
|
Model |
TTB-250H
|
TTB-250Hc
|
TTB-400H
|
TTB-400Hc
|
|
Power
Supply
|
AC220V50Hz
|
○！！
|
○！！
|
○！！
|
|
Power
|
280W
|
○！！
|
450W
|
○！！
|
|
Aperture
Size
|
285〜285mm
|
○！！
|
○！！
|
○！！
|
|
Projection
Lens
|
275-320mm
3-element
|
○！！
|
○！！
|
○！！
|
|
Projection
Distance
|
1.1-3.4m
|
○！！
|
1.1-8.2m
|
○！！
|
|
Tilting
Angle
|
30＜
|
○！！
|
○！！
|
○！！
|
|
Projection
Lamp
|
24V250W
halogen lamp
|
○！！
|
36V400W
halogen lamp
|
○！！
|
|
Lamp
Changer
|
|
Yes
|
|
Yes
|
|
Light
Booster
|
|
Yes
|
|
Yes
|
|
Fringing
Adjustment
|
Yes
|
○！！
|
○！！
|
○！！
|
|
Safety
Interlock Switch
|
Yes
|
○！！
|
○！！
|
○！！
|
|
Cooling
Fan
|
Axial-flow
type
|
○！！
|
○！！
|
○！！
|
|
Dimensions
|
357〜335〜790mm
|
○！！
|
○！！
|
○！！
|
|
Weight
|
12.6kg
|
12.8kg
|
13.6kg
|
13.8kg
|
|
