Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 34)

<2. Specifications>
2-15
IM 11M12A01-04E
2.4 Other Equipment
2.4.1 Dust Filter for Oxygen Analyzer (part no. K9471UA)
This filter is used to protect the detector sensor from corrosive dust components or from a high
concentration of dust when the oxygen concentration in utility boilers or concrete kilns are to be
measured.
This filter requires the measuring gas flow of 1 m/sec or faster to replace gas inside zirconia sensor.
• Standard specifications
Applicable detector: Standard-type detector for general-use (the sample gas flow should be
approximately perpendicular to the probe.)
Mesh: 30 microns
Material: Carborundum (Filter), SUS316 (JIS)
Weight: Approx. 0.2 kg
Part No. Description
K9471UA Filter
K9471UX Tool
Unit: mm
Ø51
32
10
Carborundum filter (SiC)
Increasing of insertion length
F31.EPS
Screw
Detector
Attach the filter
unit to the tip of
the detector
by screwing
it clockwise.
2.4.2 Dust Guard Protector (part no. K9471UC)
Recommended to be used when sample gas is likely to flow directly into the cell due to its flow
direction in the stack or the like, flammable dust may go into the cell, or water drops are likely to fall
and remain in the cell during downtime or the like due to the installation position.
Material:
SUS316 Unit: mm
Weight: Approx. 0.3 kg
4-Ш6
122
Ш50.8
100
Increasing of insertion length
F11-1.ai