Technical Specifications:

1．Transformer: AC220v-240v, 50-60 Hz.

2．The proposed OHP operates normally in room

...temperatures of 10℃ to 40℃ and up to 80% humidity

3．OHP must have High－Low lamp inenslty switch．

4．Twin lamps：Two lamps are installed In the same
...holder When one lamp is not working， there is no
...need to open the lid of the projector. The user can
...switch to the other working lamp without
...interruption.

5．Lamp：timhdyrn bromide lamp，special－purpose lamp
...for the projector

6．The arm or the projector shall be able to fold down
...for easy storage and more secure transport with
...self-latch．

7．The head shall be Mle to revolve 360°so that It is
...not necessary to change the direction of the main
...body.

8．Safety switch：Interlocked with the lid；when lid
...is lifted，lamp is automatically switched off.

9．Light Transmission area：285X285mm．

10．Focal length of the projector: 310mm．

11．Projecting distance：lm-3．5m．

12．Brightness of light：≠2000lm．

13．Cooling：Squirrel－cage centrifugal fan

...ventilation．

14．Resolving power：2 lines／mm at 0．7 field of
...view；Central field of view：8 lines／mm．

15．Uniformity of illumination：36％．

16．Noise：≤50db．

17．Surface temperature：≤20℃．

18．Reflector：reflecting angle＞30°．

19．Volume：52cm X 42．5cm X 33cm．

20．Weight：11 Kg．