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VLX2 LED Lights
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High-intensity, ultra-bright, water-cooled, VCubed line lights for linescan applications
About the VLX range of LED linelights
As line-scan speed increases, the illumination also needs to increase
in intensity to enable high quality image acquisition and the VLX range
of LED lights is designed specifically to meet this need. With light intensity
orders of magnitude higher than conventional LED line light technology,
the VLX lights provide an extremely powerful, focussed line-of-light at
the subject.
More efficient that Fibre Optics
Historically, applications requiring a high intensity line light source
employed fibre optic solutions due to the light's narrow profile. The
VLX lights have been designed with a narrow form factor, providing a high-intensity,
solid-state lighting solution for these applications
Heat and lights
With any LED light, the fundamental failure mechanism is heat; the LEDs
become hot and the lifetime of the LED degrades. Thermal management of
LEDs is critical for long life time performance. The VLX range of lights
are designed around ensuring maximum cooling and thermal stability of
the LEDs. The VLX range offers both air and water cooling depending on
the model chosen. The VLX lights have an internal temperature limit and
will automatically shutdown should its temperature exceed this. In the
unlikely event that an LED fails, this can also be diagnosed via the serial
interface. All settings are stored in non volatile memory.
| VLX2
- Ultra-high-intensity LED Line lights: Ideal for high-speed/high
resolution |
|
Designed to provide a better alternative to fibre optic systems,
the Gardasoft VCubed water-cooled linelights provide extremely bright,
uniform lighting focussed to a narrow beam. Previously the limiting
factor in many linescan systems was the intensity of the line light,
however with the VLX2, line scan acquisition can run many times
faster than with conventional air-cooled LED lights and so allow
higher production speeds and/or higher resolution images. The VLX2 range of LED line lights are designed to thermally manage the LEDs and so ensure maximum lifetime of the light while gaining maximum emission from the LEDs. This thermal management allows the liquid cooled lights to output up to an impressive 2.3 million lux! Access to the light settings is done via a serial interface, the same interface also offere lsght diagnostics. The thermal management of the LEDs is critical to long service life. The temperature of the light can be read via the serial interface. The VLX lights also have an internal temperature limit and will automatically shutdown should its temperature exceed this. In the unlikely event that an LED fails, this can also be diagnosed via the serial interface. All settings are stored in non volatile memory. The VLX2 also allows for the light to be profiled. Along its length
the LEDs are controlled in sections over which the user has complete
control. If the application requires flat field correction, the
light intensity can be increased at each end of the light offering
true flat field correction rather than compromising with software
adjustment. |
| Model |
VLX2 |
|
| Line uniformity | >95% | |
| Standard line lengths | 250mm. 375 mm, 500mm, 1000mm, 1500mm, 2000mm. Other lengths available on request | |
| Working distance | 37mm fixed or 90mm to 150mm variable. Other options available | |
| Line thickness | 3mm | |
| Supply voltage | 24V to 26VDC | |
| Supply current | (at 100% brightness) 16A per metre max | |
| Control/Communication | RS232 | |
| Lifetime | (degrade to 70% brightness) >50 000 hours at 100%. ~20 000 hours at 140% | |
| Dimensions | Width = 30mm; Height = 109mm; Length = lighting length plus 52mm | |
| Temperature | Operating: -20C to +50C (will affect intensity performance). Storage: -20C to +70C | |
| IR range | 740nm, 850nm, 940 nm | |
VLX2
data sheet|
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