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ABB AZ25-00-00-00-00 High-Temperature Combustion Gas Oxygen Analyzer

Product Description

The ABB AZ25-00-00-00-00 High-Temperature Combustion Gas Oxygen Analyzer is an advanced zirconia-based oxygen measurement device designed for continuous monitoring of O₂ levels in high-temperature flue gas environments. It helps optimize combustion efficiency, reduce fuel consumption, and minimize emissions, making it essential for modern combustion control systems.

Main Technical Specifications

• Model: AZ25-00-00-00-00

• Measurement Principle: Zirconia (ZrO₂) oxygen sensing cell

• Measurement Range: 0–25% O₂

• Measurement Method: Continuous online measurement

• Temperature Resistance: Probe suitable for flue gas temperatures up to approx. 700–800°C (depending on probe configuration)

• Accuracy: ±0.2% or higher

• Repeatability: ±0.1%

• Response Time: < 5 seconds (T90)

• Warm-up Time: 20–30 minutes

• Output Signal: 4–20 mA / 0–10 V (depending on transmitter)

• Power Supply: 24 VDC or 110–230 VAC

• Installation: Flange-mounted probe

• Electrical Interface: Industrial cable connection

• Protection Rating: IP65 or higher (depending on accessories)

Features and Advantages

1. High-temperature capability
   Designed for direct installation in high-temperature combustion gas ducts.

2. Accurate and fast response
   Zirconia technology ensures high sensitivity and excellent long-term stability.

3. Improved combustion efficiency
   Helps maintain optimal air–fuel ratio, reducing fuel consumption and operating cost.

4. Rugged industrial design
   Resistant to corrosion and harsh flue gas conditions.

5. Low maintenance
   Long probe and sensor life provides low overall maintenance requirements.

6. Flexible system integration
   Easily connects to PLC, DCS, and combustion control systems.

Typical Applications

• Industrial boiler combustion optimization

• Power plant flue gas monitoring

• Cement kilns and steel reheating furnaces

• Petrochemical and chemical combustion processes

• Waste incineration plants

• High-temperature heating systems

• Energy-saving combustion control systems

Precautions

1. Ensure the probe length is appropriate for the duct to avoid overheating or damage.

2. Follow proper warm-up procedures to protect the zirconia cell.

3. Avoid rapid cooling of the probe in humid flue gas to prevent sensor cracking.

4. Regularly inspect filters, seals, and other consumable components.

5. Ensure proper grounding and correct wiring connections.

6. Clean the probe periodically when installed in high-dust environments.

The structure and details of the product：

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