ZR22S/ZR402G
| Measurement object |
Oxygen concentration in combustion exhaust gas and mixed gas. |
| Measurement system |
Zirconia system |
| Explosionproof Approval |
ZR22S-A (ATEX); EExd II B + H2, Group II,Category 2GD, T2, T300 deg C
ZR22S-B (FM); Class I, Division1, Groups B, C and D, Class II/III, Division1, Groups E, F and G, T2
ZR22S-C (CSA); Class I, Division1, Groups B, C and D, Class II/III, Division1, Groups E, F and G, T2
ZR22S-D (IECEx); Exd II B + H2, T2, ExtD A21 IP66 T300 deg C |
| Oxygen concentration |
0.01 to 100 vol% O2 |
| Output signal |
4 to 20 mA DC, two points (maximum load resistance 550Ω) |
| Measurement range |
Any setting in the range of 0 - 5 vol%O2 to 0 - 100 vol%O2 (in 1 vol% O2), or partial range. |
| Digital communication (HART) |
250 to 550Ω, depending on number of field devices connected to the loop (multi-drop mode) |
| Sample gas pressure |
-5 to +5 kPa
For 0.15m probe, -0.5 to +5 kPa.
No pressure fluctuation in the furnace should be allowed. |
| Sample gas temperature |
0 to 700 deg C(Probe only)
700 to 1400 deg C (with 0.15 m probe and high temperature probe adapter) |
| Probe length |
0.15, 0.4, 0.7, 1.0, 1.5, 2.0 m |
| Contact output (ZR402G) |
Four points (one is fail-safe, normally open) |
| Contact input (ZR402G) |
Two points |
| Calibration (ZR402G) |
Method; zero/span calibration
Calibration mode; automatic, semi-automatic and manual (with an LCD touch screen) |
| Construction of detector |
Equivalent to NEMA4X/IP66 |
| Construction of converter |
Outdoor installation, equivalent to NEMA4X/IP66 |
| Ambient Temperature (ZR22S) |
-20 to +60 deg C (-20 to +150 deg C on the terminal box surface) |
| Ambient Temperature (ZR402G) |
-20 to +55 deg C |
| Reference Air System |
Instrument Air; 50 kPa + the pressure inside the furnace Consumption; Approx. 1Nl/min |
| Wiring Connection |
ATEX; M20 by 1.5 mm or 1/2 NPT select one type (2 pieces)
FM; 1/2 NPT (2 pieces)
CSA; 1/2 NPT (2 pieces)
IECEx; M20 by 1.5 mm or 1/2 NPT select one type (2 pieces) |
| Power supply |
85 to 264 V AC; 45 to 66 Hz |
ZR202S
| Measurement object |
Oxygen concentration in combustion exhaust gas and mixed gas. |
| Measurement system |
Zirconia system |
| Display |
6-digit LCD |
| Switch |
Three optical switches |
| Explosionproof Approval |
ZR202S-A (ATEX); EExd II B + H2, Group II, Category 2GD, T2, T300 deg C
ZR202S-B (FM); Class I, Division1, Groups B, C and D, Class II/III, Division1, Groups E, F and G, T2
ZR202S-C (CSA); Class I, Division1, Groups B, C and D, Class II/III, Division1, Groups E, F and G, T2
ZR202S-D (IECEx); Exd II B + H2, T2, ExtD A21 IP66 T300 deg C |
| Oxygen concentration |
0.01 to 100 vol% O2 |
| Output signal |
4 to 20 mA DC, one point (maximum load resistance 550Ω) |
| Measurement range |
Any setting in the range of 0 - 5 vol%O2 to 0 - 100 vol%O2 (in 1 vol% O2), or partial range. |
| Digital communication (HART) |
250 to 550Ω, depending on number of field devices connected to the loop (multi-drop mode) |
| Sample gas pressure |
- 5 to + 5 kPa
No pressure fluctuation in the furnace should be allowed. |
| Sample gas temperature |
0 to 700 deg C |
| Probe length |
0.4, 0.7, 1.0, 1.5, 2.0 m |
| Contact output |
Two points (one is fail-safe, normally open) |
| Contact input |
Two points |
| Calibration |
Method; zero/span calibration
Calibration mode; automatic, semi-automatic and manual (with optical switch) |
| Construction |
Equivalent to NEMA4X/IP66 |
| Ambient temperature |
-20 to +55 deg C (- 5 to +70 deg C on the case surface) |
| Power Supply |
85 to 264 V AC, 45 to 66 Hz |
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