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LED backlight illuminators for machine vision applications with back lighting.
- High light intensity LED matrix
- Anodised aluminium housing
- Side mounting slots
- Cable with industrial connector
- Integrated power driver
- High uniformity
- Industrial-standard 24 Vdc supply
- Versions with PWM modulation and overdrive
Large size LED illuminator series for backlight applications
The DL4 LED illuminator series consists of a modular, high density, high brightness LED matrix. Thanks to these features, the DL4 series illuminators are ideal for building large size illuminators.
RCCR© current driver
The DL4 LED illuminator series integrates the RCCR© (RODER Constant Current Regulator) current driver, which stabilises and equalises the current in every LED of the matrix. This provides a high uniformity of light emission and stabilises the LED current even with small variations in the supply voltage. Unlike traditional technologies (a resistor in series with the LED string), the RCCR© current driver achieves optimal control of the current in the LED and a consequent improvement in the homogeneity characteristics of the emitted light.
HTTM© technology
The DL4 LED illuminator series uses HTTM© (High Thermal Transmission Material) technology to dissipate the heat generated by the LEDs. Correct heat dissipation allows the light sources and the control electronics to maintain optimal working conditions. For this reason, a special layer of material is used inside the illuminator for the contact between the LEDs and the housing.
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Why choose an illuminator from the DL4 family?
- High density LED matrix
High density LED matrix with integrated lens to create a direct and homogeneous light beam. The LED matrix is kept regular by means of a special mounting mask that guarantees uniform LED mounting spacing. - Industrial connector
Connector with threaded fastening for easy mounting and quick disconnection in case of maintenance. The cable is secured by a flexible cable gland to guarantee a small bending radius. - Aluminium housing
Black anodised aluminium housing. The use of aluminium guarantees high heat dissipation from the LEDs and excellent mechanical robustness. - Reverse polarity protection
The internal circuits are protected against reverse polarity of the supply voltage. The protection operates in the event of incorrect connection of the power supply cables. - Ultra high efficiency, high intensity LEDs
Use of the latest generation of high brightness, low power LEDs. The LEDs used in the DL4 series have an integrated lens, offer state of the art characteristics and are manufactured by the largest LED producer in the world. - HTTM© technology
Use of HTTM technology for high dissipation of the heat produced by the LEDs. A special layer of material is used inside the illuminator for the contact between the LEDs and the housing. - RCCR© internal current source driver
The DL4 series illuminators incorporate a LED current stabiliser circuit for improved homogeneity of the emitted light. The RCCR© current driver achieves optimal control of the current in the LED and a consequent improvement in the homogeneity characteristics of the emitted light. - 48H test certificate
Every illuminator undergoes a 48 hour test cycle and a test certificate is issued with the product. This procedure guarantees a high quality of the product delivered to the customer. - Industrial design
The entire DL4 family is designed for industrial use on vision systems or optical test benches. The target customer for this product family is the industrial machine manufacturer or the vision system integrator.
Typical applications
Inspection of the integrity, shape and dimensions of caps on the production line
Ultraviolet vision systems for the analysis of adhesives and sealants with the induced fluorescence technique
Machine vision systems for quality control on the production line
Visual inspection of miniaturised components with machine vision systems and compact LED illuminators
In depth
LED illuminators are a key component in ensuring high performance in machine vision systems and in optical inspection benches and quality control. Correct lighting is essential to obtain sharp, detailed images, allowing inspection systems to detect defects, measure dimensions and verify product quality with the greatest precision.
Advantages of LED illuminators:
- High intensity and uniformity: thanks to the use of latest-generation LEDs, our illuminators provide uniform, high-intensity lighting, ideal for applications that require a clear and detailed view.
- Durability and reliability: the LEDs used are designed to withstand harsh operating conditions, ensuring long service life and low maintenance.
- Flexibility of use: available in various configurations (bar, ring, backlight, etc.), the illuminators can be easily integrated into existing vision systems or customised for specific requirements.
- Lower energy costs: thanks to their energy efficiency, LED illuminators reduce consumption while delivering high performance.
Typical applications:
- Automatic visual inspection: detection of defects on production lines, checking of labels, inspection of surfaces and components.
- Testing and quality control: used on optical benches to test product characteristics such as dimensions, shape and colour.
- Code reading and OCR: support for traceability applications and the automatic reading of barcodes and characters.
Our LED illuminators are designed to meet the most demanding requirements of industrial applications, improving operating efficiency and ensuring high quality of the end product.
Further information and contacts
Systems and sensor integration division: www.roder.it
Machine vision division partner: www.rodervision.com
Standard instruments division partner: www.innovacheck.com
More about RODER SRL: about us
Contact for general information: info@roder.it
The information contained on this web page is provided for information purposes only. Although it has been compiled with the greatest care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription or translation errors, or typographical errors. For precise and up-to-date information, please contact our company directly.
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