| Measurement object | Oxygen concentration in combustion exhaust gas and mixed gas |
|---|---|
| Measurement system | Zirconium oxide sensor |
| Measurement range | 0.01 to 100 vol% O2 |
| Output signal | 4 to 20 mA DC, two points (ZR402G) (maximum load resistance 550Ω) |
| Setting 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 +250 kPa (Pressure compensation option necessary over +5 kPa) |
| Sample gas temperature | 0 to 700℃ (Probe only) 700 to 1871℃ (with 0.15m probe with JIS 5K 32 FF flange and ZR22P High Temperature Probe Adapter) |
| Probe length | 0.15, 0.4, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0, 3.6, 4.2, 4.8, 5.4 m |
| Contact output | Four points (one is fail-safe, normally open) |
| Contact input | Two points |
| Calibration | Method; zero/span calibration Calibration mode; automatic, semi-automatic and manual (with an LCD touchscreen) |
| Construction of detector (ZR22G) | Heater and thermocouple replaceable construction. Non-explosion-proof. Equivalent to NEMA4X/IP66 |
| Construction of converter (ZR402G) | Non-explosion-proof, outdoor installation, equivalent to NEMA4X/IP66 |
| Ambient Temperature | Probe (ZR22G): -20 to 150℃ Converter (ZR402G): -20 to 55℃) |
| Reference Gas System | Instrument Air (preferred): 50 kPa (200 kPa with check valve) + the pressure inside the furnace; Approx. 1 Nl/min consumption
Natural convection |
| Power supply | 85 to 264 V AC; 45 to 66 Hz |
Single Channel Oxygen Analyzer System ZR402
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Description