Measuring flue gas humidity
Fields of application
Measurement of atmospheric emissions from combustion plants, control of wet biomass combustion.
Features
| Delta-O2 type | In-situ: Delta O2 IS | Extractive: Delta O2 SA |
| Measuring principle | Zirconium oxide ZFK8 Fuji Electric | |
| Measurement ranges | Wet O2: 0 / 25 | |
| Dry O2: 0 / 25 | ||
| H2O: 0 / 100% (optional) | ||
| Main components | In-situ convection tube ZKM controller + ZFK8 probe for wet O2 Dust and tar filter and sampling pump Dryer and peristaltic pump ZKM controller + ZFK8 probe for dry O2 | Heated sampling probe + heated sampling line ZKM controller + ZFK8 probe for wet O2 Sampling pump Dryer and peristaltic pump ZKM controller + ZFK8 probe for dry O2 |
| Mounting type | DN65/PN6 flange-mounted enclosure, chimney-mounted | Stack sampling probe + remote box |
| Combustion gas temperature | 300 °C max. | |
| Ambient temperature | + 5 / + 40 °C | - 20 / + 50 °C |
| Output signals | 4-20 mAcc for wet O2 | |
| 4-20 mAcc for O2sec | ||
| 4-20 mAcc forH2O(optional) | ||
| Response time | < 10 s | < 30 s |
| Screen | Backlit LCD | |
| Options | Fuji Electric touch interface H2Ocontent calculation Additional H204-20 mA analog output Alarm outputs Modbus RTU or Modbus IP communication Automatic calibration and/or backflushing Heated and/or ventilated enclosure | |
| Power supply | 100 -120 Vac or 200 - 240 Vac, 50/60 Hz | |
Technologies
Flue gas humidity meter is an All-in-one system: one single flange mounted on the stack. It measures wet O2, dry O2 and H2O (en option) concentrations.
Flue gas humidity meter - DELTA-02
Reference : DELTA02
