Instruction manual

NGA 2000 MLT Hardware
REPLACEMENT AND CLEANING OF PHOTOMETRIC COMPONENTS
17 - 4
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
07/2006
REMOVAL OF ANALYSIS CELLS
17.3 Cleaning of Analysis Cells and Windows
17.3.1 Removal of Analysis Cells
Open the housing (cf. Section 15).
Remove the photometer assembly out of analyzer housing (see Section 17.1).
a) For analysis cells of lengths 1 mm to 10 mm
Remove the clamp (Fig. 17-3, Item 1).
Remove the clamping collars and the filter cell with signal detector assembly.
Fig. 17-3: Photometer Assembly (1 mm to 10 mm analysisi cells)
b) For analysis cells of lengths 30 mm to 200 mm:
Remove the clamp shown in Fig. 17-4 as Item 1.
Remove the filter cell with signal detector assembly.
Remove the clamp shown in Fig. 17-4 as Item 2.
Remove the analysis cell body from the filter cell (chopper housing).
Fig. 17-4: Photometer Assembly (30 mm to 200 mm analysisi cells)
1
21
detector
adapter with
zero-point diaphragm