The measurement of environment characteristic on OPC drum is very important.
Therefore, we set the scanner in the constant temperature and humidity chmber; it is possible
to measure at 5℃5% to 60℃90%, so that becomes more stability environment for measurement.
We adopt special glass fiber for light guide and set the following
light source outside of this chamber.
Xenon lamp spectral light source: PLAS_41
Halogen lamp spectral light source: POLAS_39
Halogen lamp single wavelength light
source: POLAS_23
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