4.2 General operation principles
The designs of the TB Series Portable Turbidimeters are broken down into their
respective functional components that are discussed in detail. These include the light
source, the 90-degree scattered light trap, the scattered light detector, turbidimeter
sample vial and how these key components work together to deliver the turbidity result.
The simplified optical configuration for the TB Series of Portable Turbidimeters.
This figure shows the incident light path and the view of the 90° scattered light
detector.
1
1
Illuminator (LED and Optics)
2
Incident Light Path
3
90° Stray Light Trap
4
Sample Vial
5
Scattered Light (10°-20° Detector View)
6
Scattered Light Detector and Optics
EN TB 350
4 Operation
2
3
4
5
6
EN
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