Operating
Instructions Software
Image Engineering
CAL2
Seite
8
von
11
Connected
calibration device
Please use caution when working with the spectrometer and fiber, avoid putting any extra
pressure on the device. If you have finished your light setting or calibration, you can disconnect
the calibration device and stop the measurement in the control software. The spectrometer can
also be used for external measurements of other light sources.
The iQ-LED software (see iQ-LED software manual) automatically generates the best
spectrometer settings for you lighting conditions after pressing the “auto detect” button. For
special applications, it is also possible to set the spectrometer settings manually. If you have
further questions, please contact the Image Engineering support team.
4.3.2 Spectrometer calibration
Your spectrometer comes fully NIST traceable calibrated. We recommend recalibrating the
spectrometer once a year, regardless of the operating hours. If a spectrometer calibration is
required, please contact Image Engineering.
Note: Before removing the spectrometer, measure and note the lux value of a predefined
standard illuminant.
After the spectrometer is calibrated and has been reinstalled to your system, perform a spectral
calibration (iQ-LED calibration) and check if this intensity value is still correct. If it is not correct,
you have to perform a lux calibration.
4.3.3 iQ-LED calibration
The individual LED lights of the iQ-LED inside the CAL2 depends on many different types and
wavelengths. Some LEDs will change their intensity level and peak wavelength slightly in the
first 500-600 working hours because of a burn-in effect.
The LEDs will also degrade in intensity during their lifetime. To make sure that all
measurements including the auto-generated illuminants and the standard illuminants are
correct, you have to perform a spectral calibration regularly.
