Flue gas humidity meter

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.

Flue Gas Humidity Monitors Delta-O₂

Applications

• Combustion plant atmospheric emissions monitoring
• Wet biomass combustion control

Specifications

• O₂ and H₂O flue gas monitoring
• Perfect for dusty applications
• Measurements :

1. Wet O₂ concentration
2. Dry O₂ concentration
3. H₂O concentration (option)

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

1. Stand alone all-in-one instrument
2. Compact and light design
3. Short response time

• Delta-O₂ SA : extractive version for outdoor and adaptable to a very wide range of applications.

Datasheet

Measurement principle

The use of Fuji Electric's ZFK8 zirconium analyser 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 probe for dry O₂
  • 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 range accepts 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.