YOKOGAWA ZR802G User Manual

<4. Piping>
4-6
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
CAUTION
The probe is easily clogged if too much dust is contained in the sample gas such as in a utility
boiler or cement kiln. To get rid of the dust with compressed air, the piping from the air source is
connected only during cleaning. Blow back piping can be installed for dust cleaning as illustrated
in Section 4.3.1.
4.2.1 Piping Parts for System 2
Check that the parts listed in Table 4.2 are ready.
Table 4.2 Piping Parts
Detector Piping location Parts Name Note
General use
detector
Calibration gas
inlet
Stop valve or check valve Recommended by YOKOGAWA (L9852CB
or G7016XH) Provided by YOKOGAWA
(K9292DN or K9292DS)
Nipple * Rc 1/4 or 1/4 NPT General parts
Zero gas cylinder User´s scope
Pressure reducing valve Recommended by YOKOGAWA
(G7013XF or G7014XF)
Joint for tube connection Rc 1/4 or 1/4 NPT General parts
Reference gas
inlet
Air set Recommended by YOKOGAWA
(G7003XF/K9473XK or G7004XF/K9473XG)
Joint for tube connection Rc 1/4 or 1/4 NPT General parts
High temperature
Detector
(0.15 m)
Calibration gas
inlet
Stop valve or check valve Recommended by YOKOGAWA (L9852CB
or G7016XH) Provided by YOKOGAWA
(K9292DN or K9292DS)
Nipple * Rc 1/4 or 1/4 NPT General parts
Zero gas cylinder User´s scope
Pressure reducing valve Recommended by YOKOGAWA
(G7013XF or G7014XF)
Joint for tube connection Rc 1/8 or 1/8 NPT
Reference gas
inlet
Air set Recommended by YOKOGAWA
(G7003XF/K9473XK or G7004XF/K9473XG)
Joint for tube connection Rc 1/4 or 1/4 NPT General parts
Sample gas
outlet
Ejector assembly * Recommended by YOKOGAWA (E7046EC
or E7046EN)
T-shaped joint of the same
diameter *
R 1/4 or 1/4 NPT General parts
Needle valve * Rc 1/4 or 1/4 NPT General parts
Nipple of other diameter * R 1/2 to R 1/4
or R 1/2 to 1/4 NPT
General parts
 
General parts can be found on the local market.
4.2.2 Piping for the Calibration Gas


The cylinder should be placed in a case assemble E7044KF or the like to avoid any direct
sunlight or radiant heat so that the gas cylinder temperature does not exceed 40°C.


YOKOGAWA ZR802G Specifications

General

Brand	YOKOGAWA
Model	ZR802G
Category	Measuring Instruments
Language	English