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   :: Feasa Led Analyzer
 
  The Ultimate Solution to LED Intensity Issues
  The Feasa Analyser is an innovative solution for testing multiple LEDs simultaneously for Color and Brightness. There are two Models, Feasa-I(ICT) and Feasa-F(Functional). These can be ordered in 3, 5, 10 and 20 Channel configurations.
 

Applications:

  Indicator LEDs
  »
RJ45 Connectors
  »
Display Panels
  »
Display Panels
  »
Traffic Lights
  »
Railway Signals
  Interior Lights (Automotive & Avionics)
  »
Dashboard
  »
Map Lights
  »
Mood Lights
  Aviation Lighting
  »
Landing Light
  Automotive
  »
Daytime Running Lights
  »
Brake Lights
  »
Centre High Mount Stop Lights
  »
Side Turn Signals
  »
Emergency Stop Signal
  LCD Backlighting
  »
TV
  »
Notebook/PC
  »
Cell Phones/Smart Phones
 
  Figure-The Feasa Headlight Tester has been designed to test Automotive LED Headlights in a Production environment.
 

Figure is an example of OH-3 Optical Heads measuring LEDs

When choosing which Model is most suitable for your application there are a number of issues to consider. In this regard the choice of Interface is very important.
 
 
Feasa I Feasa F
USB No Yes
RS232 Yes Yes
20 Pin Port - Frequency Out Yes No
20 Pin Port - Synchronous Out Yes No
Daisy Chain No Yes
External Trigger Yes No
  USB/ RS232 interface
  USB offers a very simple interface to the LED Analyser with no requirement for an additional power supply. Very high baud rates, up to 460800 baud, are available. The RS232 Serial Port is easy to use with a max baud rate of 115200. It requires the use of an external power supply. The 20pin ICT Port can be used in either Frequency Out or Synchronous Serial Mode.
  Frequency Out
  The Frequency Out protocol can be used where access to an RS232 Serial Port is not available. Three frequencies are used to represent the Color and Intensity of the LEDs.
  Synchronous Serial Port
  The Synchronous Serial protocol is suitable when tester resources are limited or no other options are available.
  Daisy Chain
  Multiple LED Analysers can be connected together using the Daisy Chain Connectors. Only one RS232 Serial Port or USB Port is required to connect up to 30 LED Analysers.
  External Trigger Input
  The Feasa I provides an External Trigger Input which can be used to synchronise LED measurements with an external event such as an LED switching on.
 
 

Outputs

USB / RS232
- Red, Green, Blue (RGB)
- Hue, Saturation, Intensity (HSI)
- Dominant Wavelength
- CCT
- CIE xy
- CIE u'v'
Frequency Out
- Hue, Saturation, Intensity (HSI)
Synchronous Serial
- Red, Green, Blue (RGB)
- Hue, Saturation, Intensity (HSI)
- CCT
- CIE xy
  Feasa Legend
  The Feasa LEGEND is an innovative solution which offers many advantages for applications with a large number of LEDs.
The Feasa LEGEND provides an easy to use Graphical User Interface (GUI) to automatically learn and store pass/fail criteria for up to 32 different versions of boards reducing the complexity and development time of test programs.
The Feasa LEGEND systems consists of two component parts, a Hub and a LED Analyser. The Hub can be mounted in the Test Station or in the Test Fixture and can control up to 8 LED Analysers. Each LED Analyser can test up to 20 LEDs and a fully populated Hub can test up to 160 LEDs. Hubs may be added together to test a larger number of LEDs.

Feasa-F(Functional)
 

Feasa-I(ICT)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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