CE318-T Photometer
User Operation Manual
Revision V4.10 October 2021
6
2. Sensor head and collimator
a. The sensor head
The sensor head measures the received signal from the sun, sky, soil or sea. Then it
is sent and recorded to the CU.
Detectors can be either silicon and. InGaAs detector is used for near-infrared
wavelengths.
1: Front plate lenses and optical chambers
entrance (a: Silicon / b: InGaAs)
2: 4-quadrant detector lens
3: Cover
4: Threaded hole for collimator
5: Positioning notches
6: Head sensor cord connector