14x17 Inch Film Viewer NDT Instrument LED Light Source
A. Specification
Maximum measure | 7,000-140,000cd/m2 |
Light source | LED |
Observable blackness | 2.9-4.25D |
Way to dimming | Switch or foot-switch |
Screen | 1/4, 1/2, full |
Light source lifetime | ≥100,000 hrs |
Color temperature | ≥9000K |
Screen size | 430×350mm |
Uniformity coefficient | ≥90% |
Surface temperature within 12 hours | ≤40℃ |
Cooling system | Aluminum plate heat dissipation |
Power | 200W |
Weight | 5kg |
B. Optical Specification
- No flicker on the surface of the observation screen, screen center
brightness is about 55,000cd/m2.
- The screen can be devided into 1/4, 1/2 and full screen, which
controlled by side switch.
- Observe the scattering coefficient of light on the screen is over
0.6.
- Observation of various parts of the screen illumination, the
uniformity coefficient is over 0.7.
- Observation light can be lit up within 10s, brightness stability
time is less than15 minutes.
- Observation light noise when working is lower than 40dB.
- Observation lamp work 1h, the front surface of the screen
temperature is less than 60℃.
- High-frequency voltage regulator operating frequency 30kHz ~
100kHz.
- Power supply voltage DC12X (1±5%) V; power consumption ≤ 350W.
C. Installations
Open the package, put the film viewer on the desk, plug in the
power.
D. Step to use
- Plug in the power
- Open the rear of the film dryer power switch, the screen turns on,
and in 15 minutes the screen will reach to normal brightness.
- Security protection:automatically turns off after 10 minutes
E. Precautions
- You have to use original power adapter, the power plug must have a
good grounding, and otherwise it will cause troubles. If you use
other power adapter, it will cause damage to the product. If the
product is overheating, unplug the power adapter.
- This product's warranty is one year, please do not open to repair,
otherwise it will cause damage.
- Do not use this product in a humid place (such as a bathroom),
otherwise it will be damaged by electric shock.
- Do not use this product outdoors in a minefield, otherwise it is
vulnerable to electric shock.
- Do not use this product near fire, or impact or shake the product.
- When not in use for a long time, please unplug the power plug and
the regulator plug.
- If you unplug while using, the screen will still have fade
brightness, it’s normal.
![](http://img.everychina.com/nimg/45/ed/e8d9de113d04d84ad8ccca22a7b0.jpg)
![](http://img.everychina.com/nimg/3d/af/1bc11f04ba5a80b3e281864192d0.jpg)
![](http://img.everychina.com/nimg/2a/b2/389b189cc3571e75bf4403f20947.jpg)