4 Units Description
4-
Figure 4-42 Adjusting Coder Sensor of Reaction Disk
4.6.4.2 Adjusting Offset of Filter Wheel
After moving the sensor of the filter wheel or removing the filter wheel, you should
adjust the offset of the filter wheel and set parameters.
Refer to Chapter 8.5.1 for details about adjusting the filter wheel offset.
4.6.4.3 Adjusting Signal Gain of Photometric Unit
The purpose of adjusting signal gain is to ensure that the air blank AD value is within
48000 -60000 after replacing new lamp.
CAUTION
If air blank AD value is lower than usual after replacing new lamp,
check whether the surface of the lamp or the filter is dirty.
Refer to Chapter 8.5.2 for details about adjusting signal gain of the photoelectric unit.
Precaution for signal gain adjustment：
：：
：
1． It is not recommended to extend the service life of the lamp by adjusting the signal
gain.
Sensor Bracket
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