Place of Origin:
Anhui, China
Brand Name:
Wayeal
Certification:
ISO, CE
Model Number:
AQ7021
| Parameter | Specification |
|---|---|
| Model | AQ7021 |
| Monitoring Gases | NO, NO₂, NH₃ |
| Range | 0~500ppb |
| Zero Noise | ≤1ppb |
| Minimum Detection Limit | ≤2ppb (2σ) |
| Range Noise | ≤5ppb |
| Indication Error | ±2% F.S. |
| Precision at 20% of Range | ≤5ppb |
| Precision at 80% of Range | ≤10ppb |
| 24h Zero Drift | ±5ppb |
| Zero Drift over 24 Hours at 20% of Range | ±5ppb |
| Zero Drift over 24 Hours at 80% of Range | ±10ppb |
| Response Time | ≤5min (NO) |
| Voltage Stability | ±1% F.S. |
| Flow Rate Stability | ±10% |
| Effect of Ambient Temperature Change | ≤3ppb/℃ |
| NO₂ and NH₃ Conversion Efficiency | ≥96% & ≥80% |
| Concentration Deviation Between Sampling Port and Calibration Port | ±1% |
| Effect of Interferents | 200ppb O₃: ±4% F.S. 500ppb SO₂: ±4% F.S. |
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