FN321B (C) Oxygen Purity Analyzer is a new-type intelligent industrial online analyzer researched and developed by combining imported ion current sensor with new microcomputer technology.

Application fields:

Online detection and analysis on oxygen content in industries of nitrogen production by air separation, medical treatment and health, petroleum and chemicals, metallurgy, electronics, and electric power

Instrument characteristics:

Imported ion current sensor adopted, featuring long service life, high accuracy, and high stability;

Chinese menu and human-machine interface, making operation intuitive and convenient;

Timed automatic storing function, and stored data available for viewing at any time;

Upper/lower limit alarm output can be set at will within the whole range;

Alarm point can be set at will within the whole range;

Standard RS232 or RS485 communication interface available for two-way communication with computer;

Type B adopts economical 128×64 lattice LCD; type C uses engineering 320×240 lattice LCD; and type D employs intelligent 800×400 touch screen in combination with embedded RAM technical instrument.

Technical parameters:

1. Measurement range: 80.00%/90.00%/95.00%/98.00%～99.99% O2 optional;

2. Accuracy: ≤ ±2% F.S;

3. Stability: Zero drift ≤ ±1% F.S/7d;

                  Span drift ≤ ±1% F.S/7d;

4. Repeatability: ≤ ±1%;

5. Preheating time: ≤ 15 min;

6. Sample gas flow: 300±10 ml/min;

7. Response time: T90 ≤ 30 sec.;

8. Sample gas pressure: 0.05 MPa ≤ Inlet Pressure ≤ 0.25 MPa;

9. Resolution: 0.01%;

10. Contact capacity: 220 VAC, 1A     24 VDC, 2A;

11. Output signal: 4～20 mA;

12. Operating environment: Temperature: -10℃～＋45℃;

                                             Humidity: ≤ 90% RH;

13. Operating power supply: 220 VAC±10%, 50 Hz±5%;

14. Overall dimensions:  Type B: 270 mm (W) × 132 mm (H) × 330 mm (D);

                                       Type C 3U: 485 mm (W) × 133.5 mm (H) × 360 mm (D);

                                       Type D 4U: 485 mm (W) × 178 mm (H) × 360 mm (D);

15. Mounting dimensions: Type B: 238 mm (W) × 132 mm (H);

                                           Type C 3U: 450 mm (W) × 134 mm (H);

                                           Type D 4U: 450 mm (W) × 178 mm (H);

16. Weight: Type B: about 3 kg; type C: about 8 kg; type D: about 10 kg