FN301B (C) Trace Oxygen Analyzer is a new-type intelligent industrial online analyzer researched and developed by combining imported high-performance electrochemical sensor with new microcomputer technology based on the principles of electrochemical detection.

Application fields:

Online analysis on oxygen content in protective gases for high-temperature sintering furnaces of nitrogen production by air separation, chemical process, magnetic materials, and so on; in protective gases for electronic industry; and in glass and building material industries

Instrument characteristics:

Imported fuel cell sensor adopted, featuring long service life, high accuracy, and quick response;

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

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

Automatic range shifting; alarm point can be set at will within the whole range;

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

Built-in air extracting pump and external filter can be added upon selection;

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: 0.0～10/100/1000×10-6 O2;

2. Accuracy: ≤ ±5% F.S (0.0～10×10-6);

                    ≤ ±2% F.S (10～100×10-6);

                    ≤ ±2% F.S (100～1000×10-6);

3. Stability: Zero drift ≤ ±2% F.S/7d;

                  Span drift ≤ ±2% F.S/7d;

4. Repeatability: ≤ ±1%;

5.Sample gas flow: 400±10 ml/min

6. Response time: T90 ≤ 15 sec.;

7.   Resolution: 0.1×10-6;

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

9. Output signal: 4～20 mA or 0～10 mA;

10. Contact capacity: 120 VAC, 1A     24 VDC, 1A;

11. Operating environment: Temperature: －5℃～＋45℃;

                                              Humidity: ≤ 90% RH;

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

13. 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);

14. 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);

15. Weight: Type B: about 3 kg;

                   type C: about 8 kg;

                   type D: about 10 kg