DFY-IIC Oxygen Analyzer

1.Measuring Range: 0.00×10⁻⁶ ~ 25% (auto-ranging, customizable upon order);

2.Maximum Permissible Error:

±2% FS (0.00~10)×10⁻⁶;

±1% FS (>10.0×10⁻⁶);

3.Stability:

Zero drift: ±1% FS/7d;

Span drift: ±2% FS/7d;

4.Repeatability: ±1% FS;

5.Operating Furnace Temperature: 750°C;

6.Warm-up Time: ≤15 min;

7.Response Time: T₉₀ ≤15 s;

8.Sample Gas Flow Rate: (400±30) mL/min;

9.Sample Gas Pressure: 0.05 MPa ≤ Inlet Pressure ≤ 0.25 MPa;

10.Operating Environment:

Temperature: -15°C ~ +50°C;

Humidity: ≤90% RH;

1.Metallurgy & Heat Treatment

Blast furnace gas recovery oxygen control (<2% O₂ for explosion prevention)

Trace oxygen detection (0-100ppm) in annealing furnace protective atmospheres (H₂/N₂)

2.Environmental & Emission Monitoring

Combustion efficiency monitoring (O₂ 6%~12%) with dioxin control

Compliant with HJ/T 397-2007 standard

3.Chemical Process Safety

Oxygen monitoring in reactor/tank nitrogen blanketing systems (<1% O₂ explosion-proof requirement)

Oxygen concentration alerts during ethylene/propylene production