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By: JAI
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CCD & CMOS Cameras
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4CCD RGB/NIR Beam Splitter Prism Line Scan Camera With Camera Link

The JAI LQ-050CL is a prism-based 4-CCD color line scan camera providing simultaneous separate imaging of red, green, and blue, plus near-infrared light data.

The LQ 050CL camera features a beam splitter prism with hard dichroic coatings incorporating four precisely pixel-to-pixel aligned CCD sensors. R, G, B and NIR light spectrum bands are captured simultaneously in four separate channels through the same optical path. This combined RGB/NIR camera technology makes it possible to identify an even wider set of defects on inspected objects.

Each of the LQ050CL's four CCD sensors provides 512 linear pixels with a pixel size of 14 μm x 14 μm square. The camera runs at a maximum scan rate of 70922 lines per second with a 40 MHz pixel clock, delivering a high signal-to-noise ratio of 58dB.

This makes inspection systems built with the LQ-050CL prism-based cameras faster and easier for end-users to setup, calibrate and maintain, offering precise image alignment and precise color registration.

A number of built-in pre-processing functions are available including flat-field correction, gamma/gain correction and manual/automatic white balance.

With the gamma/gain correction function the user can take full advantage of the sensors’ dynamic range to optimize the image. Gamma/gain correction, flat-field correction, as well as the electronic shutter can be set individually for the red, blue, green and NIR channels.

With a special noise reduction circuit and a newly developed algorithm, the LQ-050CL makes it possible to improve the signal-to-noise ratio by up to 3 dB (depending on the situation) without losing spatial resolution.

The LQ 050CL features three shutter operating modes, including a pulse width control mode, providing users with substantial flexibility in operating the camera. The camera outputs 4 x 8 bits or 4 x 10 bits through a Camera Link interface.

A binning function can combine the values of two adjacent pixels at the output stage resulting in double sensor sensitivity.

A test pattern generator is also included that can be applied as a set-up and installation aid to check the performance of the LQ050CL camera. This feature also provides users with help when debugging and setting up the frame grabber.

Just like JAI’s other line scan cameras, the LQ-050CL undergoes extensive shock and vibration testing to maximize its ability to withstand the rigors of industrial environments. Specifications include 50G shock testing and 3G vibration testing.

A ridged housing design provides maximum surface area for heat dissipation resulting in excellent temperature management and optimal image quality.

The LQ-050CL is available with M52 mount (standard) or Nikon F-mount (optional).

Line scan application examples:
- Fruit and vegetable sorting. Inspecting colors, ripeness, damages, signs for early decay and foreign objects (e.g. stones, leafs etc).
- Food inspection (e.g. frozen food, rice grains, coffee beans, peas, cereals, tea and tobacco).
- Web inspection (Wood, textile, paper, glass).
- Tiles inspection (Inspection of colors variations and imperfections in glaze).
- 2D print inspection - magazines and currency. (Currency: simultaneous inspection of color correctness, water marks and security features woven into the bank notes).
- 3D print inspection (inspection of labels on cylindrical items like cans, bottles, pens etc. or rotating objects).
- Surface inspection of flat panels/displays looking for scratches and defective screen pixels.
- PCB inspection (Inspection for imperfections in circuit layout etc.).

The advantages of JAI’s prism-block technology:
The camera’s prism-block technology enables users to avoid the complex alignment and encoding issues associated with tri-linear line scan cameras, especially those related to off-axis viewing, variations in conveyor speeds, surface undulations, or objects that roll or move as they pass through the camera’s field of view.

In other words, the LQ-050CL delivers high quality and perfectly aligned line scan images independently of the viewing angle to the inspected object, independently of variations on conveyer belt speed and independently if objects have a wavy or curved texture.

→ 4 CCD line scan camera with Camera Link output
→ Dichroic RGB/NIR beam splitter prism with 4 sensors (4 channels)
→ 4 sensors with 512 pixels, 14 μm x 14 μm pixel size
→ 7.168 mm effective image length
→ Scan rate up to 70922 lines per second at 40 MHz pixel clock
→ 4 x 8 bits or 4 x 10 bits output through Camera Link interface
→ Three shutter operating modes including pulse width control mode
→ One-push automatic white balance
→ Flat-field correction and color shading compensation
→ Binning functions for increased sensor sensitivity
→ Gamma correction using LUT table
→ Set-up and installation aid with built-in test pattern generator
→ Available with M52 mount or Nikon F-mount
→ Short ASCII set-up commands via RS 232C or Camera Link
→ Setup by Windows XP/Vista/Windows 7
→ Programmable exposure 2L (63 μs) to 1052L (33.19 ms) in 1L steps

Low-noise operation (S/N 58 dB) providing superior image quality
Low-noise operation (S/N 58 dB) providing superior image quality
Sensor 2/3" progressive scan interline transfer CCD (ICX285 series)
Active area 8.98mm x 6.7mm
Active pixels 1392 (H) x 1040 (V)
Cell size 6.45 μm x 6.45 μm
Frame rate - full frame 30 fps
Readout modes, Full 1392 (H) x 1040 (V) 30.12 fps
Readout modes, 2/3 partial scan 1392 (H) x 694 (V) 41.05 fps
Readout modes, 1/2 partial scan 1392 (H) x 520 (V) 50.06 fps
Readout modes, 1/4 partial scan 1392 (H) x 260 (V) 74.57 fps
Readout modes, 1/8 partial scan 1392 (H) x 130 (V) 98.73 fps
Readout modes, Draft mode 1392 (H) x 260 (V) 101.17 fps (EOC-B141GE only)
Readout modes, Variable partial scan Start line from 1 to 1025, height from 8 to 1032
Readout modes, Vertical binning 1392 (H) x 520 (V) 50.18 fps (Note: EO-B141GE only)
Readout modes, Region of interest (ROI) User definable memory readout
Synchronization Internal/external hardware trigger via GPIO Software trigger via GigE Vision
Pixel clock 58.00 MHz
S/N ratio >58 dB. (0 dB gain, standard temp)
Sensitivity, Mono 0.03 lux (on sensor, max gain, shutter off, 50% video)
Sensitivity, Color 0.2 lux (on sensor, max gain, shutter off, 50% video)
Video output GigE Vision selectable (8-bit/10-bit/12-bit)
Auto-iris lens video output 0.7 Vp-p, 75O
Color (EOC-B141GE only) Raw Bayer output for host-based interpolation
GPIO Module. Input/output switch Configurable 16-in / 12-out switch
GPIO Module. Clock generator (1) 12-bit counter based on pixel clock
GPIO Module. Pulse generators (2) 19-bit counter programmable for length, start point, stop point, reset
Electronic shutter, Pre-set shutter 1/30 (off) to 1/10,000 sec in 10 steps
Electronic shutter, Pulse-width 63 μs to 2 sec.
Pre-processing functions Programmable LUT, Bayer white balance, blemish compensation
Lens mount C-mount
Power 12V DC ± 10%. 425 mA / 5.1W (typical at 25°C)
Operating temperature -40°C to 65°C (Some reduced performance may occur when operating outside the -5°C to 45°C range)
Storage temperature -50°C to 70°C
Vibration 10G rms (20Hz to 200Hz XYZ)
Shock 70G, 11 ms half sine
Dimensions (HxWxL) 55 mm x 55 mm x 55 mm
Weight 230 g (without tripod mount)

 



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Prices and specifications subject to change without notice.