Advanced Illumination - RL3940 Folded Beam Dark Field

  • The RL3940 is characterized as a Folded Beam Dark Field ring light.
  • Precisely aimed LEDs, along with an aluminum beam folder, provide a specific and repeatable light pattern on the imaging plane.
  • The light provides up to 11kLux at a working distance of .6” (15mm).
  • The RL3940 is available in a wide range of wavelengths from UV to IR.
  • The folded-beam configuration provides dark field illumination in a compact 3.9” (100mm) housing.
  • The housing’s large inner diameter can accommodate lenses up to 55mm in diameter.
  • The light can also be ordered with an optional mounting ring.

General Specs

Electrical Specifications
Color
24V Current
All Other Controls
625, 660, 880
0.24A
0.18A Max
395, 470, 520, WHI
0.16A
0.12A Max
Normal Operating Temperature
0 - 60°C
Weight
246.8g (8.71 oz) for standard mounting option
Standard Cable Information
2 m long -0/+150 mm (80" -0/+6") - 105°C rated PVC jacket, foil shield with drain.
Photobiological Risk Factor
Exempt Applicable Wavelengths: 880

Group 1 (Low-Risk) Applicable Wavelengths: 470, 520, 625, 660, WHI

Group 2 (Moderate-Risk) Applicable Wavelengths: 395
Compliance
CE, RoHS, IEC 62471
IP Rating
Not Rated
Lumen Maintenance
L70 = 50,000 Hours

Mechanical Specs


Optical Specs


Electrical Specs


Control Specs


Part No Key

More Product Information

Advanced Illumination

Advanced Illumination® (Ai) is a leading developer and manufacturer of LED lighting and control technology for machine vision illumination. Founded in 1993, Advanced Illumination was the first company to bring LED lighting to market and has since become one of the most trusted names in the machine vision industry. Ai offers a number of highly customizable backlights, bar lights, coaxial lights, diffuse lights, line lights, bright field ring lights, dark field ring lights and spot lights. Whether you’re an OEM or an end user, Advanced Illumination has a knowledgeable team of engineers and manufacturing professionals ready to provide you with a solution tailored to your lighting needs.


Contact Details 

Advanced Illumination, Inc. 

440 State Garage Road, Rochester, VT 05767, USA 

Phone: 802-767-3830 

Fax: 802-767-2636  

Email: info@advancedillumination.com

Contact form

Imaging/Machine Vision

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Advanced Illumination - RL3940 Folded Beam Dark Field