Density Meter LB 444 List of Figures
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List of Figures
Page
Figure 1: Principle of measurement .................................................................................... 4
Figure 2: Measuring system mounted on a straight pipeline .............................................. 5
Figure 3: Installation on a U-shaped measuring path ......................................................... 6
Figure 4: Shielding container type LB744 ........................................................................... 8
Figure 5: Shielding for installation in a container ................................................................ 9
Figure 6: Shutter switch for ex-protected area..................................................................10
Figure 7: Scintillation counter............................................................................................ 11
Figure 8: Front Panel LB 444............................................................................................ 12
Figure 9: Softkeys functions.............................................................................................. 13
Figure 10: Live display ...................................................................................................... 13
Figure 11: Diagram illustrating the hysteresis................................................................... 19
Figure 12: Installation on a horizontal pipeline.................................................................. 27
Figure 13: Outdoor installation .......................................................................................... 28
Figure 14: Installation on S or U-shaped measuring path................................................. 29
Figure 15: External installation with shielding and detector.............................................. 30
Figure 16: Installation in a container ................................................................................. 31
Figure 17: Installation in a container with horizontal flow.................................................. 32
Figure 18: Installation in a container with vertical flow...................................................... 32
Figure 19: Installation of water-cooling ............................................................................. 33
Figure 20: Required amount of water-cooling................................................................... 34
Figure 21: Cable connections at detector ......................................................................... 36
Figure 22: Terminal connection evaluation unit (rear panel)............................................. 37
Figure 23: Rear view of shielding container type LB 744.................................................. 40
Figure 24: Locking mechanism with knurled nut............................................................... 41
Figure 25: Locking mechanism with spring pin ................................................................. 42
Figure 26: Influence of absorption coefficients on one-point calibration...........................63
Figure 27: One-point calibration with additional calibration points.................................... 63
Figure 28: Example of multi-point calibration.................................................................... 64
Figure 29: Response......................................................................................................... 70
Figure 30: Source holder................................................................................................... 86