FN304B (C) Dew-point Meter employs imported capacitive dew-point sensor with high response speed and sensitivity and easy and simple to operate; it is applicable to the measurement of trace moisture content in various gases and suitable for a variety of online analysis cases having a strict control requirement for moisture content.

Application fields:

Petroleum and chemicals, natural gas, gases for industrial purposes, semiconductor industry, drying industry, food industry, electric power industry, mechanical manufacturing, air separation industry, and pharmaceutical industry

Instrument characteristics:

Imported capacitive dew-point sensor featuring quick response and high sensitivity;

Clear and concise Chinese operation menu; display switchable to PPm/V;

Automatic storage of measured data at a time interval that can be set at will; the recorded data can be displayed in the form of curve or list for the convenience of browsing and viewing;

Upper/lower limit alarm output can be set at will within the 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: －100.0～+20.0℃;－80.0～+20.0℃

2. Accuracy: ≤ ±1.5℃ (above -60℃);

                    ≤ ±2℃ (below -60℃);

3. Repeatability: ≤ ±1.5℃;

4. Preheating time: ≤ 30 min;

5. Sample gas flow: 1000～1500 mL/min;

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

7. Resolution: 0.1℃;

8. Output signal: 4～20 mA or 0～10 mA;

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

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

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

                                              Humidity: ≤ 90% RH;

12. 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);

13. 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);

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