VTR1 and VTR2 LED Lights

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High-intensity, strobed IR and white LED light source for traffic monitoring

The VTR range of LED light sources support a wide range of ANPR (automatic number plate recognition) /LPR (licence plate recognition) -based applications. From average speed monitoring to red light violation and parking access and control, the VTR range of lights offers high-power, solid state lighting with full remote control and easy synchronisation to the cameras.

The VTR lights are available in a choice of white and infrared wavelengths. The beam angle can be specified for a range of working distances. A trigger input can be used to synchronise the lighting pulse with the exposure of a camera. Full intensity and pulse width control are available through the trigger input and remote communications port. There is an internal interlock to prevent the lighting being triggered too fast. The compact housings are IP66 rated allowing the lights to be installed very harsh environments.

The Gardasoft VCubed VTR lights provide a very powerful LED illumination strobe for traffic monitoring solutions such as:
***Automatic number plate recognition ***Face imaging ***Traffic speed management ***Vehicle type identification

The lighting is suitable for day time and night time operation.

VTR1 - Compact. scaleable, high-ppwer output low maintenance, suitable for harsh environments
Available in a range of wavelengths (740nm, 850nm and 940nm as well as white light) and various beam angles theVTR1 lights can be configured to meet the spectral needs of the imaging system, along with the field of view. If the appliction is a car park entry/exit situation or an average speed installation spanning many lanes, the VTR1 offers a light that will meet those ANPR illumination requirements.

Available in either a single (master) light or as a pair (master and slave), access to the light settings is done via a serial interface which also offers light diagnostics. The thermal management of the LEDs is critical to long service life and the temperature of the light can be read via the serial interface. The VTR1 lights also have an internal temperature limit and will automatically shut down should the temperature exceed the limit. In the unlikely event that an LED fails, this can also be diagnosed via the serial interface and all settings are stored in non volatile memory.

Low maintenance
This type of lighting is typically installed in inaccessible locations and is therefore expensive to repair or replace. LED technology has a much longer lifetime than traditional filament bulb or xenon based-solutions. Only low voltages are used, reducing safety issues during maintenance.
VTR2 - High power, customisable, single housing, choice of IR wavelengths, fault-tolerant for low maintenance

The VTR2 is an OEM product framework designed for customisation for each application, enabling a precise feature set dependent on the customer’s specification.

Available in a range of wavelengths (white light, 740nm, 850nm and 940nm) and various beam angles the lights can be configured to meet the spectral needs of the imaging system along with the field of view.

The VTR2 lights offer a 10x increase in light output compared to the VTR1 lights and are ideally suitedto applications where the working distance is increasing from the optical system to the subject. Having more light available also allows for more information to be gained from the image rather than just the vehicle number plate.

Access to the light settings is done via a serial interface. This interface also offers light diagnostics. The thermal management of the LEDs is critical to long service life and the temperature of the light can be read via the serial interface. The VTR lights also have an internal temperature limit and will automatically shut down should the 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.

Utilising the highest high power infrared LED technology available, the VTR2 system can deliver up to 2KW pulses to the LED array. It is fully integrated with internal timing, intensity control and long
distance communications and can optionally be operated in a free-running mode from a programmable internal timer. A trigger output signal is available to synchronise cameras.

The compact housings are IP66 rated allowing the lights to be installed very harsh environments.

Low maintenance
This type of lighting is typically installed in inaccessible locations and is therefore expensive to repair or replace. LED technology has a much longer lifetime than traditional filament bulb or xenon based
solutions. Only low voltages are used, removing electrical safety issues during maintenance. The VTR2 can optionally be provided with failure tolerance by having spare LEDs which can be
enabled remotely if a failure occurs.


Specifications

Model
VRT1

VTR2
Wavelength
740nm, 850nm, 940nm and white
Lighting drive power (pulsed)
940nm: 101W, 850nm: 101W,740nm: 130W, White: 180W
940nm: 1210W, 850nm: 1210W, 740nm: 1296W, White: 20252W
Typical number plate range at 850nm*
12 degrees - 30m
12 degrees - 200m
Trigger input
Optional, 5V to 24V opto-isolated with spike filtering
Power supply requirements
24V DC ± 5%. 1A
24V DC ± 5%. 3.2A
Dimensions (excluding cable entry)
148mm wide, 88mm high, 55mm deep
246mm wide, 256mm high, 50mm deep
Mounting
M6 x 10mm thread studs
Control/communication
Ethernet or RS232
Operating temperatures **
-20 C to +60 C
Weight
0.6 Kg
2.7 Kg
Environmental protection
IP66

* Distance is a rough guide only. Actual values will be a function of the applicaiton influenced by the target, camera model, camera optices, exposure time and IR wavelength used.
** The lower temperature is based on the system being in operation when this temperature is present. Precautions will need to be taken if turning on the device from cold at the lower temperature extremes. There are restrictions at higher ambient temperatures.

VTR1 data sheet
VTR2 data sheet