Technical Specification
| Parameter | Specification |
| Measurement Range | 0–1%, 0–2%, 0–5%, 0–10%, 0–20%, 0–50% |
| Resolution | 0.1 ppm / 1 ppm / 0.01% / 0.1% / 1% |
| Measurement Accuracy | ≤ ±2% F.S |
| Repeatability | ≤ ±1% F.S |
| Stability | ≤ ±1% F.S / 7 days |
| Response Time | T90 ≤ 5 s |
| Sample Gas Flow Rate | 400 ± 50 mL/min |
| Sample Gas Pressure | 0.10 MPa ≤ Inlet Pressure ≤ 0.20 MPa |
| Sample Gas Temperature | 0–50 °C |
| Ambient Temperature | −5 °C to +50 °C |
| Ambient Humidity | ≤ 90% RH |
| Output Signal | 4–20 mA (Customizable upon request) |
| Communication Mode | RS232 or RS485 (Modbus RTU) |
| Power Supply | 100–240 VAC, 50/60 Hz, 1 A |
| Dimensions | 280 mm (W) × 145 mm (H) × 310 mm (D) |
| Instrument Weight | Approximately 6 kg |
| Measurement Principle | Zirconia Sensor |
| Measurement Medium | Inert Gas |
| Instrument Lifespan | 5 years (under normal use) |
| Sensor Lifespan | 5 years (under normal use) |
| Precision Sampling Pump | Used when sample gas pressure is negative or atmospheric (optional) |





