Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 54)

IM 11M12D01-01E 3-4
3.1.5 Procedures for installing the dust guard protector (K9471UC)
The ZR22G detector is shipped with the dust guard protector when the option code “/
F2” is specified in case of ordering the detector. The protector should be used when
preventing dusts and water drops from lowering the detector performance is desired.
Screw the protector on the top of the detector so as to cover the top. When attaching or
detaching the protector, perform by hooking holes of its side with a hook pin wrench for
л52-55 hole( Pin diameter 4.5 mm: P/N K9741UX or the like) or by pass a screwdriver
through the holes. When re-attaching the protector after detaching it, apply the “Never
Seize Nickel Special” to it.
4- л 6
122
л
50.8
100
Increasing of insertion length
F11-1.eps
3.1.6 Detector with a probe protector (Model ZO21R-L-
ᮀᮀᮀ-ᮀ *B for enhance forth
The detector is used with a probe protector to support the probe (ZR22G) when the
probe length is 2.5m or more and it is mounted horizontally.
(1) Put a gasket (provided by the user) between the flanges, and mount the probe
protector in the probe insertion hole.
(2) Make sure that the cell assembly mounting screws (four) at the probe tip are not
loose.
(3) Mount the detector so that the reference gas and calibration gas inlet faces down-
ward.
1050,1550,2050
Notch
Unit: mm
F3.3E.EPS
Gasket (t1.5)
Reference gas inlet
Calibration gas inlet
Flow direction of the
measurement gas
л 60.5
Probe top
Figure 3.3 Probe protector (supporting the mounting strength)