Rugged High-Uniformity LED Backlights for Dimensional Measurement and High-Speed Machine Vision Inspection. Diffused edge-to-edge illumination in a robust aluminium frame for precise silhouette and contour analysis.
- High-uniformity diffused light delivers edge-to-edge consistency for precise dimensional measurement and high-accuracy defect detection
- High-intensity LED output ensures high-contrast imaging on high-speed automated inspection and sorting lines
- Replaceable diffuser glass can be swapped if damaged, simplifying maintenance and extending product service life
- Rugged aluminium frame with IP54 protection provides heat dissipation and mechanical stability in harsh lines
- Side fixing groove allows fast, flexible bracket-free mounting to walls or machine structures
- M8 3-pin locking connector with reverse-polarity protection enables quick assembly and safe industrial wiring
- 48-hour burn-in test with an individual test certificate issued for every delivered unit
Why Choose BL3 Series
- High-Uniformity Illumination: Perfectly diffused light ensures edge-to-edge consistency across the active area for accurate dimensional measurement and reliable high-accuracy defect detection.
- HTTM© Thermal Management: High Transmission Thermal Material conducts heat from the LED board into the aluminium frame, keeping luminous output stable and extending LED service life.
- Replaceable Diffuser Glass: The diffusion glass can be replaced if damaged or worn, reducing downtime and protecting the long-term photometric performance of the backlight.
- Rugged Aluminium Construction: A robust anodized aluminium frame ensures mechanical rigidity and heat dissipation even in large formats and demanding industrial inspection environments.
- Certified Reliability and Integration: A 48-hour burn-in test, CE and RoHS compliance and an M8 connector guarantee dependable, easy integration into automated machine-vision systems.
Do you want help choosing the right product?
Their advanced optical design guarantees stable brightness across the entire surface, even in demanding production environments. Available in various sizes, wavelengths, and configurations, the BL3 series easily integrates into both new and existing machine vision setups. With durable construction, long operating life, and optional customization, the BL3 backlights deliver reliability and precision for high-quality image processing and inspection tasks.
Download catalogs and documentation
Why choose this family of illuminators ?
- Industrial Connector
Connector with threaded ferrule fastening for easy assembly and quick disconnection. - Replaceable Diffuser
The diffusion glass can be replaced in case of damage or deterioration. - Aluminium Enclosure
The housing is made of anodized aluminium that ensures high heat dissipation produced by the LEDs and excellent structural rigidity even in larger models. - Reverse Polarity Protection
Internal circuits are protected against possible polarity reversal of the supply voltage. - Integrated Driver
Integrated LED control driver to enable proper LED current control. Possibility of ON/OFF control with external signal. - High Efficiency LED
Use of the latest generation of high-brightness, low-power LEDs. - Profile with Side Groove
Profile with side fixing groove for easy, fast and flexible attachment to walls or structures. - Test Certificate
Each illuminator undergoes a 48-hour test cycle and is issued a test certificate delivered with the product. - HTTM Technology
Use of HTTM technology for high heat dissipation produced by LEDs.
Application notes
Typical applications
- Dimensional measurement — backlit silhouette gives sharp edges for accurate part sizing and gauging
- High-precision edge detection — uniform back illumination produces crisp contours for sub-pixel edge location
- Silhouette and contour analysis — even backlight reveals the exact part outline for shape verification
- Liquid level inspection — backlighting through bottles reveals fill level and meniscus position clearly
- Particle detection in fluids — transmitted light exposes particles and inclusions in transparent liquids precisely
- Transparent material inspection — backlight reveals cracks, bubbles and inclusions in clear plastic components
- Presence and completeness check — high-contrast silhouette confirms presence, count and orientation of parts
- Sorting and counting — uniform backlight supports fast counting of small items on lines
- Pharmaceutical blister integrity — backlit inspection reveals missing tablets and seal defects in blisters
- Gap and clearance measurement — backlighting highlights gaps and tolerances between assembled components precisely
- Hole and thread verification — transmitted light confirms presence and geometry of holes and threads
- Connector and pin inspection — silhouette imaging checks pin presence, alignment and bending on connectors
- Web and film inspection — wide backlight detects pinholes and defects in transparent films
- Label and print registration — back illumination supports transmissive checks on translucent labels and packaging
- High-speed conveyor inspection — strobe-compatible backlight freezes motion for reliable inspection on fast lines
Standard Models Catalog
Additional versions available upon request
BL3 100 × 100 mm
100 × 100 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 144 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-10 | PL-BL3-010010-WHI-A00000 | ● NEUTRAL WHITE 5000K |  |  |  |
| 10-15-04 | PL-BL3-010010-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 150 mm
100 × 150 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 216 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-11 | PL-BL3-010015-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-05 | PL-BL3-010015-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 200 mm
100 × 200 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 288 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-12 | PL-BL3-010020-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-06 | PL-BL3-010020-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 250 mm
100 × 250 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 360 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-13 | PL-BL3-010025-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-07 | PL-BL3-010025-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 300 mm
100 × 300 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 432 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-14 | PL-BL3-010030-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-08 | PL-BL3-010030-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 400 mm
100 × 400 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 512 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-15 | PL-BL3-010040-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-09 | PL-BL3-010040-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 100 × 500 mm
100 × 500 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 720 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-16 | PL-BL3-010050-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-10 | PL-BL3-010050-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 150 × 200 mm
150 × 200 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 432 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-15-19 | PL-BL3-015020-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-11 | PL-BL3-015020-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 200 × 200 mm
200 × 200 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 576 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-18 | PL-BL3-020020-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-12 | PL-BL3-020020-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 200 × 250 mm
200 × 250 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 720 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-19 | PL-BL3-020025-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-13 | PL-BL3-020025-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 200 × 300 mm
200 × 300 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 864 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-20 | PL-BL3-020030-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-14 | PL-BL3-020030-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 300 × 300 mm
300 × 300 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 1296 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-21 | PL-BL3-030030-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-15 | PL-BL3-030030-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 300 × 400 mm
300 × 400 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 1728 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-22 | PL-BL3-030040-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-16 | PL-BL3-030040-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 400 × 400 mm
400 × 400 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 2304 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-23 | PL-BL3-040040-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-17 | PL-BL3-040040-INF-A00000 | ● INFRARED 850 nm | | | |
BL3 500 × 500 mm
500 × 500 mm backlight illuminator. Available in NEUTRAL WHITE (5000K) and INFRARED (850 nm). 3600 LEDs, 24 VDC.
| RODER code | Product code | Color | Datasheet | Drawing | STEP |
|---|---|---|---|---|---|
| 10-14-24 | PL-BL3-050050-WHI-A00000 | ● NEUTRAL WHITE 5000K | | | |
| 10-15-18 | PL-BL3-050050-INF-A00000 | ● INFRARED 850 nm | | | |
Frequently Asked Questions
The BL3 is engineered for larger inspection areas and harsher environments. It features an IP54-rated robust aluminum frame with a replaceable diffuser glass and side-groove mounting profile, making it suitable for wide-field backlight applications up to 500x500mm where high mechanical stability is required.
The BL3 ranges from 100x100mm to 500x500mm in 50mm increments, with standard models from compact 100x100mm to large-format 500x500mm for wide-field industrial inspection tasks.
Yes. The BL3 incorporates a replaceable diffuser glass that can be substituted on-site in case of damage or deterioration, reducing maintenance costs and avoiding full illuminator replacement.
The BL3 carries an IP54 ingress protection rating, providing resistance to dust and water splashing. This makes it suitable for demanding environments including food processing, logistics, and pharmaceutical production lines.
The BL3 is available in White (5000K), Blue, Green, Red, and Infrared wavelengths, enabling spectral optimization for tasks such as contrast enhancement, transparent material inspection, and near-infrared analysis.
Contacts & Information
Contact for general information : info@roder.it
Systems and Sensor Integration Partner : www.roder.it
RODER Artificial Vision Division : www.rodervision.com
RODER Instruments Division : www.innovacheck.com
More information about RODER VISION : about us
The information on this website is provided for informational purposes only. Although it has been prepared with the utmost care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation, or typographical errors. For precise and up-to-date information, please contact our company directly.
Please note: Some images on this website have been intentionally generated using Artificial Intelligence (AI). This is due to the fact that, for many applications and projects, it is not possible to disclose photographs of the actual installation or system due to confidentiality agreements, contractual clauses, and Non-Disclosure Agreements (NDAs).