Manufacturer: Yokogawa Electric Corporation
Yokogawa Zirconia Oxygen Detector ZR22S-A-015-S-Q-E-T-M-E-A/CV
General Specifications
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Measurement object
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Oxygen concentration in combustion exhaust gas and mixed gas.
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Measurement system
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Zirconia system
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Explosion-proof Approval
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ZR22S-A (ATEX); EEx d IIB + H2,
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ZR22S-B (FM); Class I, Division1, Groups B, C and D
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ZR22S-C (CSA); Class I, Division1, Groups B, C and D
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ZR22S-D (IECEx); Ex d IIB + H2, T2
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Measurement range
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0.01 to 100 vol% O2
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Output signal
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4 to 20 mA DC, two points (ZR402G) (maximum load resistance 550Ω)
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Setting range
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Any setting in the range of 0 - 5 vol%O2 to 0 - 100 vol%O2 (in 1 vol% O2), or partial range.
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Digital communication (HART)
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250 to 550Ω, depending on number of field devices connected to the loop (multi-drop mode)
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Sample gas pressure
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-5 to +5 kPa
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For 0.15m probe, -0.5 to +5 kPa.
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No pressure fluctuation in the furnace should be allowed.
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Sample gas temperature
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0 to 700°C
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700 to 1400°C (with 0.15 m probe and high temperature probe adapter)
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Probe length
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0.15, 0.4, 0.7, 1.0, 1.5, 2.0 m
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Contact output
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Four points (one is fail-safe, normally open)
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Contact input
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Two points
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Calibration
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Method; zero/span calibration
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Calibration mode; automatic, semi-automatic and manual (with an LCD touchscreen)
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Construction of detector
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Heater and thermocouple replaceable construction, equivalent to NEMA4X/IP66
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Construction of converter
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Non-explosion-proof, outdoor installation, equivalent to NEMA4X/IP66
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Ambient Temperature
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-20 to +60°C (-20 to +150°C on the terminal box surface) (ZR22S)
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-20 to +55°C (ZR402G)
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Reference Gas System
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Instrument Air; 50 kPa + the pressure inside the furnace Consumption; Approx. 1Nl/min
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Wiring Connection
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ATEX; M20 by 1.5 mm or 1/2 NPT select one type (4 pieces)
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FM; 1/2 NPT (4 pieces)
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CSA; 1/2 NPT (4 pieces)
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IECEx; M20 by 1.5 mm or 1/2 NPT select one type (4 pieces)
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Power supply
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85 to 264 V AC; 45 to 66 Hz
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Yokogawa Zirconia Oxygen Detector ZR22S-A-015-S-Q-E-T-M-E-A/CV
Model and Suffix Codes
Model
ZR22S - - - - - - - - - - - Separate type Explosion-proof Zirconia Oxygen Analyzer, Detector
Explosion-proof Approval
-A - - - - - - - - - - - ATEX certified flameproof (*11)
-B - - - - - - - - - - - FM certified explosion-proof
-C - - - - - - - - - - - CSA certified explosion-proof
-D - - - - - - - - - - - IECEx certified flameproof (*12)
Length
-015- - - - - - - - - - 0.15 m (for high temperature use) (*1)
-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 (*7)
Flange (*2)
-A - - - - - - - - - - ANSI Class 150 2 RF SUS304 (JIS) (*10)
-B - - - - - - - - - - ANSI Class 150 3 RF SUS304 (JIS)
-C - - - - - - - - - - ANSI Class 150 4 RF SUS304 (JIS) (*10)
-E - - - - - - - - - - DIN PN10 DN50 A SUS304 (JIS)
-F - - - - - - - - - - DIN PN10 DN80 A SUS304 (JIS)
-G - - - - - - - - - - DIN PN10 DN100 A SUS304 (JIS)
-K - - - - - - - - - - JIS 5K 65 FF SUS304 (JIS)
-L - - - - - - - - - - JIS 10K 65 FF SUS304 (JIS)
-M - - - - - - - - - - JIS 10K 80 FF SUS304 (JIS)
-P - - - - - - - - - - JIS 10K 100 FF SUS304 (JIS)
-Q - - - - - - - - - - JIS 5K 32 FF SUS304 (JIS) (for high temperature use) (*3)
-R - - - - - - - - - - JPI Class 150 4 RF SUS304 (JIS)
-S - - - - - - - - - - JPI Class 150 3 RF SUS304 (JIS)
-W - - - - - - - - - - Westinghouse
Reference gas
-E - - - - - - - - - - External connection (Instrument air) (*8)
Gas Thread
-R - - - - - - - - - - Rc1/4
-T - - - - - - - - - - 1/4NPT(Female)
Connection box thread
-M - - - - - - - - - - M20 x1.5 mm
-T - - - - - - - - - - 1/2 NPT (*9)
Instruction manual
-E - - - - - - - - - - English
-A - - - - - - - - - - Always -A
Options
Valves
/C, Inconel bolt (*4)
/CV, Check valve (*5)
/SV, Stop valve (*5)
Tag plates
/SCT, Stainless steel tag plate (*6)
/PT, Printed tag plate (*6)
