6 Theory of Operation and Application STACK 710
50 (PC-000878-MA Issue 7, December 2021) ENVEA UK Ltd
6.3 Pathlength Correction Factor (PLCF)
OPLR = PLCF
2
Key
1. Light source lo 4. Reflector
2. Detector 5. Beam Splitter
3. Distance light beam passes through a medium (L)
Figure 18: Double pass system.