H2O flue gas humidity measurement

Measure flue gas moisture (wet and dry O2 and H2O) with Fuji Electric's all-in-one system. Ideal for controlling combustion and measuring atmospheric emissions from plants.

Delta-O2 flue gas moisture measurement systems

Applications

• Measuring atmospheric emissions from combustion plants
• Controlling wet biomass combustion

Features

• Measurement of O2 and H2O in flue gas
• Ideal for dusty environments
• Measurements :

1. Wet O2 content
2. Dry O2 content
3. H2O content (optional)

• _Delta-O2 IS: in-situ version for indoor applications:

1. All-in-one flange-mounted enclosure
2. Compact and lightweight
3. Short response times

• Delta-O2 SA: extractive version for outdoor applications, suitable for a wide range of applications.

Specifications

Measurement principle

The use of Fuji Electric's ZFK8 zirconium oxide ensures unrivalled accuracy in oxygen measurement. A choice of In-situ and Extractive versions enables us to meet the specific needs of each application.

Measurement ranges

The Delta-O2 offers an extended range for oxygen measurement in both wet and dry conditions, with options for humidity measurement up to 100%.

Main components configuration

• Delta-O2 IS (In-situ):
  • In-situ convection tube
  • ZKM controller + ZFK8 probe for wet _O2
  • Dust and tar filter with sampling pump
  • Dryer and peristaltic pump
• Delta-O2 SA (Extractive):
  • Heated sampling probe + heated sampling line
  • ZKM controller + ZFK8 dry O2 sensor
  • Sampling pump
  • Dryer and peristaltic pump

Mounting type

• Delta-O2 IS: Enclosure mounted on DN65/PN6 flange on chimney.
• Delta-O2 SA: Stack sampling probe with remote box.

Operating conditions

• Combustion gas temperature: up to 300°C.
• Ambient temperature: Delta-O2 IS: +5/+40 °C, Delta-O2 SA: -20/+50 °C.

Performance and Options

• Response time:
  • Delta-O2 IS: Less than 10 seconds.
  • Delta-O2 SA: Less than 30 seconds.
• Backlit LCD display: Makes data easy to read even in low-light conditions.
• Advanced options:
  • Fuji Electric touch interface
  • Calculation of H2O content.
  • Additional H2O 4-20 mA analog output.
  • Alarm outputs.
  • Modbus RTU or Modbus IP communication.
  • Automatic calibration and/or blowback.
  • Heated and/or ventilated enclosure.

Universal power supply

The analysers accept 100-120 Vac or 200-240 Vac, 50/60 Hz power supplies, ensuring optimum adaptability to various power supply conditions.

Fuji Electric's Delta-O2 oxygen analysers embody excellence in flue gas monitoring, offering reliable, accurate and adaptive solutions to meet the varied requirements of industrial applications.