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  • LTLA series

LTLA series

High power strobed LED low angle diffused ringlights

Opto Engineering® CATALOG

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LTLA series are high-power diffusive LED strobed low-angle ring light illuminators designed to provide darkfield lightning and to effectively enhance minute surface features or textures.

LTLA series features ultra-high power light output and can be used to cast shadows that emphasize surface irregularities, scratches or special characteristics (such as bar codes) from a close distance.

LTLA low angle ring illuminators can be exclusively operated in strobe mode, making them the perfect choice to illuminate very fast moving objects while ensuring extended LED lifetime since no heat is generated.

LTLA series can be easily powered, controlled and synchronized by compatible LTDV strobe controllers and 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;
  • three different colors: white, red and green.

LTLA series feature industry standard connection (M12 four poles connector) and can be easily integrated into any machine vision system by means of M6 screws.

KEY ADVANTAGES

  • Ultra-high power light output and strobe mode only operation
    For the inspection of fast moving object and extended LED lifetime.
  • Rugged industrial design with built-in industrial connector
    For easy integration into any machine vision system.
  • Compatible LTDV strobe controllers available
    For easy and appropriate power, control and synchronization of the illuminator.
  • Low angle beam shaping diffuser
    Highly diffusive material avoids hot spots formation and ensures uniform light intensity.

DESIGNED FOR OEM APPLICATIONS

  • Compatible LTDV6CH strobe controllers available to easily power, control and synchronize the View-through system.
RINGLIGHTS
Hα 60°DIFFUSED
LTLA Low-angle strobed illuminator
Part number LTLAB2-W LTLAB2-G LTLAB2-R LTLAC1-W LTLAC2-W LTLAC2-G LTLAC2-R
Optical specifications
Number of LEDs 40 40 40 40 80 80 80
Light colour white, 6000 K green, 525 nm red, 625 nm white, 6500K white, 6500K green, 528 nm red, 625 nm
Spectral FWHM (nm) n.a. 35 20 n.a. n.a. 35 20
Diffusive ring yes yes yes yes yes yes yes
Illumination area diameter (mm) 60 60 60 100 100 100 100
Suggested working distance WD (mm) 5 - 50 5 - 50 5 - 50 5 - 50 5 - 50 5 - 50 5 - 50
Min estimated illumination at driving current = 3.5 A 1 (klux) 55 50 40 35 70 60 45
Min estimated illumination at driving current = 7.5 A 1 (klux) 105 90 70 70 140 120 90
Min estimated illumination at driving current = 17.0 A 1 (klux) 210 180 150 125 250 220 170
Aperture range (mm) 64 (fixed) 64 (fixed) 64 (fixed) 102 (fixed) 102 (fixed) 102 (fixed) 102 (fixed)
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 3.5 3.5 3.5 3.5
Driving current, max (A) 17.0 17.0 17.0 7.5 17.0 17.0 17.0
Pulse width 2 (ms) ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1
Connection Type 3 M12 industrial male connector M12 industrial male connector
Estimated MTBF 4 (hours) > 50000 > 50000 > 50000 > 50000 > 50000 > 50000 > 50000
Mechanical specifications
Length (mm) 166.5 166.5 166.5 206 206 206 206
Width (mm) 133 133 133 206 206 206 206
Height (mm) 38 38 38 76 76 76 76
Materials black anodized aluminum body black anodized aluminum body
Clamping system 4 holes for M6 screw 8 threaded holes for M6 screw
Compatibility
Strobe controllers LTDV1CH-17, LTDV6CH LTDV1CH-7,LTDV6CH LTDV1CH-17, LTDV6CH
Lenses TC2300y, TC23012, TC12016, TC23016, TC12024, TC23024, TCxx036, TC2MHR016-x, TC2MHR024-x, TC2MHR036-x, TC4M004-x, TC4M007-x, TC4M009-x, TC4MHR016-x, TC4MHR024-x, TC4MHR036-x, TC16M009-x, TC16M012-x, TC16M018-x, TC16M036-x, TCLWD series, TCZR036, MCZR033-008, MCZR025-006, MCZR018-004, MCZR014-003, MC150X, MC100X, MC075X, MC050X, MC033X, RT series, MC4K050X-x, MC4K075X-x, MC4K100X-x, MC4K125X-x, MC4K150X-x TCxx036, TCxx048, TC12056, TC23056, TC13064, TCxx064, TC2MHR036-x, TC2MHR048-x, TC2MHR056-x, TC2MHR064-x, TC4MHR036-x, TC4MHR048-x, TC4MHR056-x, TC4MHR064-x, TC16M036-x, TC16M048-x, TC16M056-x, TC16M064-x, TC12K064, TCLWD series, TC4K060-x, TCZR072, MCZR025-006, MCZR018-004, MCZR014-003, MC033X, MC12K200X-x, MC12K150X-x, MC12K100X-x, MC12K067X-x, RT series, MC4K050X-x, MC4K075X-x, MC4K100X-x, MC4K125X-x, MC4K150X-x
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Last update: 2020-02-17

Notes

  1. At max Working Distance W.D.
  2. At 25°C. At max pulse width (1 ms), max pulse frequency = 15 Hz.
  3. 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 LTLAxy-z, where x defines the illuminator size (B = medium, C = large),
y refers to the power intensity (1 = medium, 2 = high) and z refers to color (W = white, R = red, G = green).
For instance LTLAB2-R is a diffusive strobed low angle ring light illuminator - medium size high power red.

Technical documents

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

Press & marketing content

Smart vision and optical solutions for the food and beverage industry
pdf
Inspection, measurement and illumination solutions for the automotive industry
pdf
Optical solutions for the pharmaceutical/biomedical industry
pdf
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Compatible products

Strobe controllers

LTDV series

LED lighting strobe controllers

TC telecentric lens for matrix detectors

TC series

Bi-telecentric lenses for sensors up to 2/3”

TCLWD series telecentric lens featuring longer working distance

TCLWD series

132 mm working distance telecentric lenses for sensors up to 2/3”

High-resolution telecentric lens for large detectors

TC2MHR and TC4MHR series

High resolution telecentric lenses for large detectors up to 1.2″

See also

LTDM series
LTDMLA series
Find more videos on our Vimeo channel

Product images

  • LTLA
  • LTLA

Application examples

  • Plastic cap illuminated by a LTLA, revealing the surface texture.
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