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  • LTDMLA series

LTDMLA series

High power strobe dome + low angle illumination systems

Opto Engineering® CATALOG

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LTDMLA series are ultra-high power diffuse LED strobe illuminators combining a dome light and a low angle ring light.

This solution provides two different illumination types in a single, compact, easy-to-integrate system: the dome unit provides non-directional diffused light that can be used to homogeneously illuminate complex shapes with curved and shiny surfaces, effectively eliminating glare and shadows. The low angle ring light unit provides darkfield lightning that can be used to cast shadows, greatly emphasizing surface irregularities, scratches and other details.

LTDMLA illuminators operate exclusively in strobe mode: the reduced heat generation guarantees extended LED lifetime and makes LTDMLA the perfect choice to illuminate very fast moving objects.

The two illumination units can be operated independently and easily powered, controlled and synchronized by compatible LTDV strobe controllers. LTDMLA series is available in:

  • two sizes: medium and large, respectively with illumination area of 60 mm and 100 mm in diameter;
  • two power intensities: medium power with driving current up to 7.5 A and high power with driving current up to 17 A.

LTDMLA series features industry standard connection (M12 four poles connector), resizable aperture for the dome unit that can be drilled to increase the diameter and accommodate the optics field of view and effective diffuser for the ring light unit to avoid hot spots formation. Additionally LTDMLA series can be easily mounted and integrated into any machine vision system by means of M6 screws.

KEY ADVANTAGES

  • Two independent illumination units in one single solution
    Dome unit for homogeneous illuminations and low angle unit for dark field lightning can be independently operated.
  • Ultra-high power light output and strobe mode only operation
    For the inspection of fast moving object and extended LED lifetime.
  • Multiple configurations
    Available in two sizes and two power intensities.
  • Compatible LTDV strobe controllers available
    For easy and appropriate power, control and synchronization of the illuminator.

DESIGNED FOR OEM APPLICATIONS

  • Compatible LTDV6CH strobe controllers available to easily power, control and synchronize the View-through system.
DOME LIGHTS
HINDIRECT
LTDMLAC2-WW main image
Part number LTDMLAB2-WW LTDMLAC1-WW LTDMLAC2-WW
Optical specifications
Dome unit
Number of LEDs 40 40 80
Light colour white, 6500K white white, 6500K
Spectral FWHM (nm) n.a. n.a. n.a.
Illumination area diameter (mm) 60 100 100
Suggested working distance WD (mm) 5 - 50 5 - 50 5 - 50
Min estimated illumination at driving current = 3.5 A 1 (klux) 50 15 35
Min estimated illumination at driving current = 7.5 A 1 (klux) 90 30 65
Min estimated illumination at driving current = 17.0 A 1 (klux) 160 50 100
Aperture range (mm) 10 - 50 10 - 60 10 - 60
Low angle ringlight unit
Number of LEDs 40 40 80
Light colour white, 6000K white, 6500K white, 6500K
Spectral FWHM (nm) n.a. n.a. n.a.
Diffusive ring yes yes yes
Illumination area diameter (mm) 60 100 100
Suggested working distance WD (mm) 5 - 50 5 - 50 5 - 50
Min estimated illumination at driving current = 3.5 A 1 (klux) 55 35 70
Min estimated illumination at driving current = 7.5 A 1 (klux) 105 70 140
Min estimated illumination at driving current = 17.0 A 1 (klux) 210 125 250
Electrical specifications
Power supply mode strobe only, constant current driving strobe only, constant current driving
Driving current, min (A) 3.5 3.5 3.5
Driving current, max (A) 17.0 7.5 17.0
Pulse width 2 (ms) ≤ 1 ≤ 1 ≤ 1
Connection Type 3 M12 industrial male connector M12 industrial male connector
Estimated MTBF 4 (hours) > 50000 > 50000 > 50000
Mechanical specifications
Length (mm) 166.5 206 206
Width (mm) 133 206 206
Height (mm) 104 147 147
Materials black anodized aluminum body black anodized aluminum body / painted steel reflector
Clamping system 4 holes for M6 screw 8 threaded holes for M6 screw
Compatibility
Strobe controllers LTDV1CH-17 (2 units), LTDV6CH LTDV1CH-7 (2 units), LTDV6CH LTDV1CH-17 (2 units), LTDV6CH
Lenses TCLWD series, RT series RT series, MC4K050X
Buy nowBuy nowBuy now

Last update: 2020-02-17

Notes

  1. At max working distance WD.
  2. At 25°C. At max pulse width (1 ms), max pulse frequency = 15 Hz.
  3. PIN 1 and PIN 2 for the dome unit, PIN 3 and PIN 4 for the ringlight unit. 5 m cable with straight female connector included. Optional cable with right angled connector is also available and must be ordered separately (refer to our website for further info and ordering codes).
  4. At 25 °C.

Ordering information

It’s easy to select the right illuminator for your application: our part numbers are coded as LTDMLAxy-WW where x defines the illuminator size (B = medium, C = large), y refers to the power intensity (1 = medium, 2 = high). For instance LTDMLAB2-WW is a diffusive strobed dome + low angle illumination system - medium size, high power, dome white, ringlight white.

Technical documents

Data table (Last update: :2020-02-17)
XLS
Wiring for Opto Engineering high power led lights

Press & marketing content

OE products for Pharma & Medical Industries
Inspection, measurement and illumination solutions for the automotive industry
Optical solutions for the pharmaceutical/biomedical industry
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LTDMLA lighting structure
LTDMLA LIGHTING STRUCTURE

Application examples

Surface inspection of rubber, plastic and metal sealings with LTDMLA series: the mixing of dome and low angle light achieves the best image contrast.
Surface inspection of rubber, plastic and metal sealings with LTDMLA series: the mixing of dome and low angle light achieves the best image contrast.
Find more videos on our Vimeo channel

Product images

  • LTDMLA closeup
  • LTDMLA closeup

Application examples

  • Check for defects in a rubber stopper for vial caps with LTDMLA.
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