ZR802S, and ZR22S are most suitable for monitoring combustion and controlling the low-oxygen combustion of various industrial furnaces in explosive atmosphere at petroleum refinery, petrochemical plant, and natural gas plant. Contributes to OPEX reduction in safe operation and maintenance work. | Yokogawa Electric Corporation
| Measurement Object | Oxygen concentration in combustion exhaust gas and mixed gases (excluding inflammable gases) |
|---|---|
| Oxygen Concentration | 0.01 to 21 vol% O2 |
| Measurement Range | O2: 0.01–100 vol% (In the case of explosion-proof use, oxygen concentration shall not exceed 21 vol% O2) |
| Sample gas temperature | 0 to 700℃700 to 1400℃ (with High Temperature Probe Adapter) |
| Sample gas pressure | -5 to +5 kPa (For 0.15 probe, -0.5 to +5 kPa) |
| Insertion length | -5 to +5 kPa (For 0.15 probe, -0.5 to +5 kPa) |
| Ambient Temperature | ZR22S: -20 to +60℃ZR802S: -20 to +55℃ |
| Power Supply Voltage | 100 to 240 VAC 50/60 Hz |
| Hazardous location approvals | ATEX, IECEx, FM, CSA, China Ex, Korea Ex, India Ex, Taiwan Ex |
| Repeatability | O2: ± 0.5% FS (0 to 5 vol% O2or more and less than 0 to 25 vol% O2range)O2: ± 1% FS (0 to 25 vol% O2or more and up to 0 to 100 vol% O2range) |
| Linearity | O2: ± 1% FS (0 to 5 vol% O2or more and less than 0 to 25 vol% O2range)O2: ± 3% FS (0 to 25 vol% O2or more and less than 0 to 50 vol% O2range)O2: ± 5% FS (0 to 50 vol% O2or more and up to 0 to 100 vol% O2range) |
| Drift | O2: Both zero and span ± 2% FS/month |
| Response Time | Response of 90% within 5 seconds. |
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