< 3. Installation >
3-2
IM 11M12D01-01E
(1) Do not mount the probe with the tip higher than the probe base.
(2) If the probe length is 2.5 meters or more, the detector should be mounted vertically
(no more than a 5° tilt).
(3) The detector probe should be mounted at right angles to the sample gas flow or the probe tip
should point downstream.
100 mm
100 mm
F3-1E.ai
(vertical)
Bounds of the probe
insertion hole location
Flange matches
the detector size
(horizontal)
Note
Type
Outside diameter of detector
Standard
50.8 mm in diameter (Note)
With dust filter
51 mm in diameter (Note)
With probe protector 60.5 mm in diameter (Note)
Four-hole flange Eight-hole flange
*1
*1
(Note)
When using the detector with pressure compensation, ensure that the flange gasket does not block the reference gas outlet on
the detector flange. If the flange gasket blocks the outlet, the detector cannot perform pressure compensation.
Where necessary, make a notch in the flange gasket. Confirm the outside dimensions of the detector in Section 2.2 before
installation.
Figure 3.1 Example of the probe insertion hole.
3.1.3 Installation of the Detector
CAUTION
• The cell (sensor) at the tip of the detector is made of ceramic (zirconia). Do not drop the detector,
as impact will damage it.
• A gasket should be used between the flanges to prevent gas leakage. The gasket material
should be heatproof and corrosion-proof, suited to the characteristics of the sample gas.
The following should be taken into consideration when mounting the general-purpose detector:
<General-purpose detector>
(1) Make sure that the cell mounting screws (four bolts) at the tip of the detector are not loose.
If a dust filter (see Subsection 2.6.1) is used, make sure it is properly attached to the detector.
Refer to Subsection 3.1.4 for installation of the dust filter.
(2) Where the detector is mounted horizontally, the calibration gas inlet and the reference gas inlet
should face downward.
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