Industrial Machine vision LED spot
LED spots are industrial LED lights for illuminating products in machine vision applications like surface defects on metal parts, character inspection on printed material, inspection of PCB components and positioning and recognition of large field objects with a computer vision system. Our LED spot come supplied with user interchangeble lenses. This means that the light setup can be changed interactively to achieve the best illumination for your project. If you can't find the right size, we can customize the LED spot to fit your illumination request. Click here for the datasheets.
When to use LED spots in your machine vision application?
LED spots are the most commonly used lights in machine vision applications. They are very versatile. You can use them in combination with our industrial cameras in computer vision applications where you are inspecting:
- Camera setups with a larger field of view
- Objects that are flat. In case an object is reflective, you need to adjust the angle of the LED spot that there is no direct reflection into the camera image
- Objects that are not flat and not reflective. These diffuse objects can always be illuminated with LED spots
In case an object is not flat and reflective, we strongly recommend using a dome light for illuminating your product.
How to use LED spots for illumination
LED spots are commonly used in pairs of at least 2 pieces, but for smaller area's 1 piece can be sufficient. If the horizontal opening angle of your camera + lens setup is larger than 20 degree, we strongly recommend to use at least 2 of these lights to create a more uniform light distribution. For larger areas 4 or even more LED spots can be used. Our VA9-SL-90x80-W LED spot has a special user changeable optical lenses, wich makes it easy to test different illumination setups.
How to power the LED spot
We recommend using the power supplies as indicated in the datasheet to control the brightness of the LED spot. Additionally, these power supplies give you the option to trigger the LED spot. Triggering the LED spot will increase the lifespan of the LED spot. You can check out the analog recommended power supplies for LED spots here and the digital controlled power supplies for LED spots here. Our LED spots do work with standard 24V power supplies, however fluctuations in voltage of your own power supply may result in variable light intensity. Our power supplies are validated with our LED spots to have a stable light intensity output. Strobing the LED spot on 48V will increase the light output by 2.5 times! For this, a strobe controller needs to be used.
Overview
|
Model
|
Color
|
Emitting Surface (mm)
|
Voltage
|
Power (W)*
|
Dimensions
(mm)
|
Weight
(gram)
|
Express Stock
|
|
VA9-SL-90x80-W
|
W
|
90x80
|
24 /
48
(strobed)
|
36 /
156
(strobed)
|
100x140x54
|
790
|
Yes
|
*Tolerance +/- 10%
Download VA9-SL-90x80-W LED spot datasheet
In our LED spot datasheet you find the mechanical dimensions, wavelengths, operating temperature, compatible power supplies and so on. Login using your email address and get instantly access to our LED spot datasheets.
Production and quality control of LED spots
Our
LED spots are produced with a strict process of quality control, to ensure their reliability and consistency. Upon receiving a new batch of LEDs, the quality department completes a comprehensive check to test whether the wavelength falls within the specified tolerances. Approved LEDs are stored in a climate chamber, ready for use in production. The next stage of LED spot production is automated and involves placing the LEDs on a PCB that fits the LED spot, which is then followed by an inspection and soldering. Moving along the production line, the LED boards are assembled into the mechanical housing of the LED spot. Post-assembly, the LED spot undergoes testing to ensure that it performs according to its specification. This critical phase ensures that each LED spot unit meets our uncompromising quality standards.
The production process of the LED spot may also include the creation of a diffuser or polarizer. The diffuser is cut automatically, and every batch of diffuser plates undergoes transparency testing before they are cut into the correct shape. The final step involves a comprehensive quality check, where the intensity, voltage, and current of each LED spot are meticulously measured. This step guarantees that all machine vision lights that leave our facility meet the required specifications. To further ensure the long-term consistency of our LED spot, we have established a room dedicated to light-source age testing.
During the R&D phase of a new LED spot, it will be continuously on for 1 week, while the temperature is monitored. For every new production run, each LED spot will be continuously powered for 12 hours, ensuring that the quality and output of our
machine vision lights remain uniform over time.
