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INZ-TN2ZRE-E
(3) How to remove measuring unit (See Fig. 7-3)
1) For Step 1) to 4), see Item 7.3.1(1), How to remove pipe cell.
5) Remove the detector output cord connector from the printed board.
6) Remove wiring to the 2-pin terminals of the infrared ray light source assembly and chopper
motor pin connector from the printed board.
7) Detach the six screws (No. 16) fastening the base plate (No. 3) to remove the measuring unit.
8) For assembly, reverse the disassembly procedures.
Note) Special care should be taken when assembling or disassembling the measuring cell
to avoid the application of force to the detector pipe or infrared ray light source unit
pipe. If the pipe is deformed or damaged by excessive force, there is a danger of gas
leak, thus resulting in misoperation.
Fig. 7-3 Configuration of measuring unit (2-component analyzer: block cell + pipe cell)
15
9
9
2
2
7
12
13
11
12
13
11
7
8
8
14
5
10
6
7
8
1
4
3
10
16
No.
Name
1
Screw (for fixing the light source unit)
2
Screw (for fixing the detector)
3
Base plate
4
Light source unit
5
Screw (for fixing the block cell)
6
Block cell
7
Infrared transmission window
8
O-ring
9
Detector
10
Gas filter
11
Support
12
Screw (for fixing the cell retainer)
13
Cell retainer
14
Pipe cell
15
Filter
16
Screw (for fixing the base plate)
