1.General Introduction
Yokogawa ZR22S zirconia oxygen detector is the explosion-proof probe of separate type zirconia oxygen analyzers, suitable for hazardous areas zone Exd. It works with converter ZR402G or AV550G realize oxygen concentration in combustion exhaust gas and mixed gas, measure range is 0.01 to 21vol% O2. It's applicable for standard pressure 0 to 700℃ and high temperature 700 to 1400℃.
2.General Specification
Main Characters | Description |
Sample Gas Temperature | 0 to 700℃, 700 to 1400℃(0.15 m length probe and High Temperature Probe Adapter ZO21P-H) |
Sample Gas Pressure | 5 to + 250kPa(compensated type recommended exceeds 5kPa) |
Oxygen concentration of sample gas | not more than that found in normal air, typically 21vol% |
Probe Length | 0.15, 0.4, 0.7, 1.0, 1.5, 2.0m |
Probe Material | SUS316 (JIS) |
Ambient Temperature | -20 to +60℃(-20 to +150°C on the terminal box surface) |
Reference Gas System | Instrument Air |
Instrument Air System | 50kPa + the pressure inside the furnace |
Wetted Material | SUS316 (JIS), Zirconia, SUS304 (JIS) or ASTM grade 304 (flange), Hastelloy B, Inconel 600, 601) |
Gas Connection: | Rc1/4 or 1/4 NPT (Female) |
Wiring Connection | M20 × 1.5, 1/2 NPT |
Installation | Flange mounting |
Probe Mounting Angle | Horizontal to vertically downward. |
3.Model Selection
Model | Suffix Codes | Description | |||||||||
ZR22S | Separate type Explosion-proof Zirconia Oxygen Analyzer, Detector | ||||||||||
Explosion-proof Approval | -A | ATEX certified flameproof | |||||||||
-B | FM certified explosion-proof | ||||||||||
-C | CSA certified explosion-proof | ||||||||||
-D | IECEx certified flameproof | ||||||||||
-Q | EAC with PA certified explosion-proof | ||||||||||
-R | EAC certified explosion-proof | ||||||||||
-K | KOSHA certified explosion-proof | ||||||||||
Length | -015 | 0.15 m (for high temperature use) | |||||||||
-040 | 0.4 m | ||||||||||
-070 | 0.7 m | ||||||||||
-100 | 1.0 m | ||||||||||
-150 | 1.5 m | ||||||||||
-200 | 2.0 m | ||||||||||
Wetted material | -S | Stainless steel | |||||||||
-C | Stainless steel with Inconel calibration gas tube | ||||||||||
Flange | -A | ANSI Class 150 2 RF | |||||||||
-B | ANSI Class 150 3 RF | ||||||||||
-C | ANSI Class 150 4 RF | ||||||||||
-E | DIN PN10 DN50 A | ||||||||||
-F | DIN PN10 DN80 A | ||||||||||
-G | DIN PN10 DN100 A | ||||||||||
-K | JIS 5K 65 FF | ||||||||||
-L | JIS 10K 65 FF | ||||||||||
-M | JIS 10K 80 FF | ||||||||||
-P | JIS 10K 100 FF | ||||||||||
-Q | JIS 5K 32 FF (for high temperature use) | ||||||||||
-R | JPI Class 150 4 RF | ||||||||||
-S | JPI Class 150 3 RF | ||||||||||
-W | Westinghouse | ||||||||||
-E | External connection (Instrument air) | ||||||||||
Gas Thread | -R | Rc1/4 | |||||||||
-T | 1/4NPT(Female) | ||||||||||
-M | M20 x1.5 | ||||||||||
-T | 1/2 NPT | ||||||||||
Instruction manual | -E | English | |||||||||
-K | Korea | ||||||||||
-- | -A | Always -A | |||||||||
Options | /C | Inconel bolt | |||||||||
/CV | Check valve | ||||||||||
/SV | Stop valve | ||||||||||
/SCT | Stainless steel tag plate | ||||||||||
/PT | Printed tag plate |
4.Heater Assembly
Model | Suffix Codes | Description | ||
ZR22A | Heater Assembly for ZR22S | |||
Length | -015 | 0.15 m | ||
-040 | 0.4 m | |||
-070 | 0.7 m | |||
-100 | 1.0 m | |||
-150 | 1.5 m | |||
-200 | 2.0 m | |||
Jig for change | -A | with Jig | ||
-N | None | |||
Reference gas | -A | Natural convention, External connection (Instrument air) |
5.Basic System Configuration
6.Detector Components
7.External Dimensions
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