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  • LED Pattern projectors
  • LTPRUP series

LTPRUP series

90W strobe LED pattern projectors

Opto Engineering® CATALOG

Overview
Models
Downloads
Related
Tech info
Projection
Patterns
Resources

LTPRUP series features the most powerful LED pattern projectors designed for fast image acquisition in high-speed applications where the camera exposure time must be set to the minimum, including planarity control of opaque products, robot guidance for fast pick and place and 3D profiling.

LTPRUP projectors are strobe only and provide ultra-high intensity while ensuring extended LED lifetime and reduced heat generation.

LTPRUP series is current driven and can be precisely controlled using our LTDV strobe controllers series. LTDV controllers are designed to drive the LED of LTPRUP pattern projectors with perfectly constant current, ensuring repeatable results even in applications where low exposure time is required. This minimizes illumination intensity variations down to ± 1%, leading to accurate and repeatable results when compared to models offered by major competitors.

Additionally, rise and fall times are kept to the minimum: this ensures repeatable results specifically in applications where light intensity is controlled through time-dimming.

Multiple interchangeable patterns, either stripe or grid styles, are available along with optional custom patterns.

KEY ADVANTAGES

  • LED technology for perfectly sharp edges
    Thinner lines, sharper edges and more even illumination than lasers
  • Ultra high-power light output and strobe mode only operation
    Low sensitivity to ambient light for the inspection of fast moving objects and an extended LED lifetime
  • Repeatable results with dedicated strobe controllers
    Compatible LTDV series ensures very stable illumination intensity
  • Wide selection of projection patterns available (custom-made upon request)
    Chrome-on-glass patterns with geometrical accuracy down to 2 μm
  • Compatible with any C-mount optics
LED PATTERN PROJECTORS
LTPRUP series

LTPRUP pattern projectors can be easily integrated into any vision system thanks to their compact design, multiple threaded holes positioned in the rear part, and compatibility with CMHO016 clamping mechanics. Additionally, the phase-adjustment design allows for easy pattern alignment.


LTPRUP-x models for strobe-only operation featuring ~ 90W peak power intensity. These models are compatible with CMHO016 clamping mechanics, alternatively, three M4 and one M6 threads are available as fixing options

tech_01
Lighting specifications Electrical specifications Mechanical specifications
Part
number
Active
area
diameter
Light
color,
peak
wavelength
Illuminance Operating
mode
Power
supply
mode
Peak
power
consumption
Max
LED
forward
current
Connector Mount Length Width Height
(mm) (klux) (W) (A) (mm) (mm) (mm)
1 2 5
LTPRUP-R 11 red, 625 nm 65 Strobe Constant current driving 90 17 M12 C 108.9 46 93 Quote
LTPRUP-G 11 green, 525 nm 220 Strobe Constant current driving 90 17 M12 C 108.9 46 93 Quote
LTPRUP-B 11 blue, 460 nm 20 Strobe Constant current driving 90 17 M12 C 108.9 46 93 Quote
LTPRUP-W 11 white, 6000 K 170 Strobe Constant current driving 90 17 M12 C 108.9 46 93 Quote
Last update 15 Apr 2022

Notes

  1. With a 35 mm lens, F/N 1.4 at 100 mm working distance without projection pattern at maximum driving current. Estimated value.
  2. To directly drive the LED, current control is necessary. External compatible controller from LTDV series must be used.
  3. At 25°C. At max pulse width (1 ms), max pulse frequency = 15 Hz. Contact us to check other admissible combinations of duty cycle-frequency-temperature.
  4. At 25° C.
  5. Including connector.

Technical documents

Product user guide
pdf
Safety warning UV/IR
pdf
Wiring for Opto Engineering high power LED lights
pdf
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If you are looking for a matching lens, refer to our wide range of optical solutions

Fixed focal megapixel lens, EN2MP series

EN2MP series

Cost-effective 2 Megapixel fixed focal length lenses for sensors up to 2/3”
Fixed focal 5 megapixel lens, EN5MP series

EN5MP series

Cost-effective 5 Megapixel fixed focal length lenses for sensors up to 2/3”
A wide range of solutions for every machine vision challenge.

Macro & Fixed focal length lenses

A wide range of solutions for every machine vision challenge.

For high precision control of our LED lightings, see our range of LED controllers

Strobe controllers

LTDV series

LED Strobe controllers
LTIC Series main image

LTIC series

LED lighting controllers

To power our pattern projectors, refer to

power_supply

PS series

Power supplies

Interested in projection patterns? Discover

Projection patterns

PTPR series

Projection patterns for LED projectors

Some related accessories you might be interested in

CMHO clamping support for telecentric lenses

CMHO series

Clamping mechanics for lenses

Looking for lower power LED pattern projectors?

LTPRHP3W series

LTPRHP3W series

3W LED pattern projectors
LTPRXP series

LTPRXP series

10W continuous LED pattern projectors

Take a look at our wide selection of area scan cameras

COE-x group cameras

COE-G series

GenICam® PoE C-mount cameras
COE-x group cameras

COE-U series

GenICam® C-mount USB3 cameras

Projection lens selection

Any C-mount optics for 2/3” sensors (11 mm image diagonal) can be interfaced with LTPRUP series to project areas with different sizes. Unless the projection optics introduces significant distortion, the shape of the projected pattern will preserve the features and aspect ratio of the engraved pattern.

The projected area dimensions will be “M” times the original dimensions of the pattern, where M is the optical magnification at which the selected projection lens is operating.

Telecentric lenses for 2/3” sensors can also be interfaced with LTPRUP models, thus providing telecentric projection of the pattern and enabling unparalleled performance in 3D measurement applications.

Projection lens selection
projection_selection_2

2-3″ C-mount lenses

P.D. @50 @75 @100 @150 @200 @250 @300 @400 @500
mm mm mm mm mm mm mm mm mm
Focal
length
D (Projection diameter)
(mm)
6 mm 81 127 172 264
8 mm 58 (*) 92 127 195 264 333
12 mm 35 (*) 58 (*) 81 127 172 218 264
16 mm 41 (*) 58 (*) 92 (*) 127 161 195 264 333
25 mm 55 (*) 77 (*) 99 (*) 121 (*) 165 209 (*)
35 mm 68 (*) 83 (*) 115 146

(*) = spacers may be needed to compensate back focal length

Standard C-mount lenses + LTRUP
Standard C-mount lenses + LTRUP

Telecentric lenses

TC23004 TC23007 TC23009 TC23016 TC23024 TC23036
P.d.(mm) 56.0 60.1 62.2 43.1 67.2 102.5
D.(mm) 5.5 8.3 11.0 20.8 31.4 45.2
TC23048 TC23056 TC23064 TC23072 TC23080 TC23096
P.D.(mm) 132.9 157.8 181.8 226.7 226.7 278.6
D.(mm) 59.8 70.0 80.0 89.9 99.7 117.8
Bi-telecentric lenses + LTRUP
Bi-telecentric lenses + LTRUP

Pattern selection

The projection pattern can be easily interchanged by unscrewing the retaining ring that holds the pattern. The pattern outer diameter is 21 mm, while the active projection area is a circle of Ø 11 mm.

The pattern drawing could either cover the entire 11 mm diameter area or be of any shape inscribed within this area (such as a square whose side is 7.78 mm or an 8.8 x 6.6 mm rectangle). The projection accuracy depends both on the pattern manufacturing accuracy and the distortion of the projection optics mounted on the projector.

The edge sharpness of the projected pattern depends on both the lens resolution and the engraving technique: laser-engraved patterns (part numbers ending in “L”) or photolithography-engraved patterns (part numbers ending in “P”) can be chosen depending on the type of application.

Standard patterns


Custom-made patterns

Custom-made patterns can be supplied on request. A drawing with accurate geometrical information must be submitted (please refer to the instructions here below).

custom_schema_en

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