Now you can transfer the precision of laboratory measurements to production settings with this turnkey LED test system. This system is based on the proven CAS 140CT CCD Array Spectrometer, Keithley Series 2400/2600 Sourcemeter, and a control PC combined with tester software developed in-house. You get outstanding measuring accuracy of the CAS 140CT as the interplay between all the components has been optimized for operations in conditions of continuous application in production environments.
The system is excellent at measuring critical measuring parameters, e.g. color coordinates of white LEDs, extremely precisely and reproducibly. Calibrations are based on the PTB and NIST national reference standards. And the Keithley 2600 delivers fast current supply to the LEDs permitting short measurement times.
Software for the this tester is comprised of a user-friendly interface with a multitude of functions so you can select different results and structure their display to suit the application. Hardware setup is provided with an entering page to configure parameters and settings for each application. To permit versatile display with the wafer map, a module is provided specifically for wafer probing.
Click here for the LED Tester Brochure.
|Shortest measuring time with One-Chip LED||30 msec|
|Shortest measuring time with Three-Chip LED||59 msec|
|Interface to sorting machine|
|Digital inputs||End of Test Signal|
|Digital outputs||Start of Test, Busy, End of Sequence (MultiDie Testing), Bin Results (8x)|
|Connections||Optical insulation of all input/output lines|
|Electrical measurements with Keithley 2600 & Scanner|
|Keithley 2600||Scanner (optional for MultiDie Testing)|
|Current range||0 to ± 3.0 A||Number of dies (chips)||Up to 16|
|Voltage range||0 to ± 40 V||Connections||Joint cathode/anode or separate connections|
|Number of channels||1 to 8 (optional)|
|Max. output power||0 to 40W|
|Choice of 2 or 4-wire measurement for all single dies (chips); Automated polarity detection|
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