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Thermal Color Camera System LJ-TI235

 

 

 

 

 

 

 

36x Pan, Tilt, Zoom Visible-Light / Thermal Imaging Security Camera Thermal imager is a kind of sensor that can detect extremely slight temperature differences and convert such differences into real-time video images.
The images displayed on the monitor are fully appropriate for application of night vision.
Unlike other night vision systems which depend on low light to generate images, the thermal imager needs no visible light at all, making it an ideal companion for observation in absolute darkness.

 

Features:
OSD, Zones Masking,day/night,WDR Sensup DSS(refer to below camera table)
Boasts the worlds most advanced third generation un-cooled VOx infrared focal plane array (FPA) with 320 x 240 pixels.
Affords outstanding image quality and thermal sensitivity that can detect temperature difference less than or equal to 85 mK (or <35 mK at f/1)
With a detection range over  500m-5Km , the device is able to generate well-defined images in full darkness, haze and smog;
The infrared thermal imager and the camera perform around-the-clock monitoring through video switch. The built-in heater ensures the display can show perfect monitoring images even in chilly and extremely harsh environments;
Robust protection for their critical parts meets the standard of US military Mii-Sld-810 arid P66. Which is Moisture-resistant and waterproof, the both components work well within the temperature range -32°C to +55° C
Unlimited 360° pan and 180° tiIt range guarantee nonexistence of dead-spots.
28 preset positions and 6 cruising tracks 16 preset each track.
4 alarms in 1 out (subject to 24VAC power)
Power input for general monitoring purposes: AC 24V
Mount Suitable for vehicle carriage

 

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Thermal imager Table

Specification

Specifications Model
LJ-TI250
LJ-TI235
LJ-TI225
LJ-TI219
LJ-TI619
Sensor Type
Un-cooled LWIR Thermal Imager, VO x Microbolometer
New thermal imaging system using the Third generation un-cooled VOx infrared focal plane array.
Sensor Format
320 x 240
160 x 120
Spectral Band
7.5 ~ 13.5 micro M
Field of View
14° x 11°, 50 mm lens
20° x 15°, 35 mm lens
28° x 21°, 25 mm lens
36° x 27°, l9 mm lens
18° x 14°, l9 mm lens
lFoV 2 (milliradians)
0.760 mrad (50 mm lens)
1.086 mrad (35 mm lens)
1.520 mrad (25 mm lens)
2 mrad (l9 mm lens)
Range performance Object 2.3 m x 2.3 mDetection approx. 2.2 kmDetection approx. 1.6 kmDetection approx. 1.1 km
Detection approx. 880 m
Range performance man 1.8 x 0.5 mDetection approx. 780 mDetection approx. 560 mDetection approx. 430 m
Detection approx. 310 m
NEdT Performance
<85 mK at F/1.6;
Analog Video
8.3 Hz (PAL)
Focus
Factory-set at infinity focus; lens thread mount allows focus adjustment.
Electronic zoom
2 x
Image processing
Digital Detail Enhancement (DDE)

 

Asistant Camera Specification

Specification

ModelSony FCB-EX1010PSony FCB-EX480PSony FCB-EX980PLG LM-927DSSANYO VCC-MD600P
Image sensor1/4'CCD
Active pixels440,000752H*582V758H*592V795H*596V795H*596V
SynchronizationInternal / External
Video outputVBS1.0vP-P/75 OHMS
Scan frequency15.625KHz/(H) 50Hz (V)
Horizontal resolution480TV lines480TV lines480TV lines480TV lines480TV lines
S/N ratio50dB50dB50dB50dB50dB
Elec. shutter1/4-1/10,000s1/3-1/10,000s1/3-1/10,000s1/1-1/10,000s1/1-1/10,000s
Min. illuminationWDR 0lux0lux0lux0lux0lux
Focal lengthf=3.4-122.4mm 432Xf=4.1-73.8mm 216Xf=3.5-91mm 312Xf=3.6-98mm 324Xf=3.3-99mm 300X
Focal & irisAuto/Manual
Pan speed0-240 dgs/S
Tilt speed0-60 dgs/S
Pan range360 dgs continuously
Tilt range90 dgs (180 dgs utmost flip)
Preset128, 6 tracks, 45 Seconds Pattern Memory
Work temperature-35°C ~ +55°C
Autopan speed0.5° ~ 30°/s
Intelligent startup time40 s
Alarm Input4
Alarm Output1
Power supply50 VA
Power24VAC, 1.5A, adapter provided
P. consumption35W
Weight10 Kg, 22 Pounds
CommunicationRS485, multi-protocol supported
Relative humidity10-75% without stem
lP grade1P66

 

Application of thermal imaging in security and surveillance

Object surveillance at night and in harsh climates
Equipment that needs visible light to work will not work at night. Using artificial light will expose your position, putting you in danger. Works well day and night, without exposing you to detection. Typical night-vision devices need external lighting. This infrared thermal imager receives invisible light directly from the subject itself, passively. In atrocious weather of heavy rain and fog, visible lights are not good at surpassing obstacles due to their short wavelength, affecting the performance of observation. By contrast, infrared light has long wavelength. Particularly, the thermal imager working at 8~l4 um is powerful in penetrating rain and fog. At night or in atrocious weather conditions, the infrared thermal imager works normally, accomplishing the task of object monitoring.

Fire monitoring
The infrared thermal imager reflects surface temperature of objects and creates images accordingly. The very fact makes it not only applicable to site monitoring at night but also an effective fire alarm device. Fire accidents in vast forests are usually kindled by hidden fires, which can hardly be detected using conventional methods currently practiced. The infrared imager can be introduced to rapidly spot the hidden fires and accurately determine the location and range of fire accidents. Ignition points are located by detecting smoke. The early warning could be essential for early prevention and finally snuffing out.

Identifying disguised and hidden objects
Disguise mainly involves a measure to avoid exposure to Visible light. Criminals intending to commit an offense will hide in shrubs or woods. People are prone to wrong judgment due to adverse wild environments and visual illusion. The infrared thermal imager receives thermal radiation of objects passively. As the temperature and Infrared radiation range of human body and vehicles are far greater than those of shrubs and woods, with this device available, criminals find it much harder to hide themselves and people ~re less likely to make wrong judgment.

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SKYPE
bluetear123
MSN
bluetearxiaoyu@hotmail.com
Email
juliezhang@globalcctvsec.com