- +86 571 8501 2111
- fpi-online@fpi-inc.com
- 459 Qianmo Road, Binjiang District, Hangzhou, China
FPI AQMS-300 Ozone analyzer measures ambient O3 concentration in ppb level by utilizing UV photometric absorption technology.
The concentration of ambient ozone is proportional to UV light absorption since there is a significant characteristic absorption for ozone on wavelength of 254nm.
Periodical diversion on sample flow passing through the ozone scrubber will generate reference measurement, which is compared with sample measurement to provide stable and representative result.
| Measurement Method | UV Photometry |
| Measurement Range | 0-500 ppb |
| Zero Noise | ≤ 0.1 ppb |
| Span Noise | ≤ 1 ppb |
| Lower Detectable Limit | ≤ 0.2 ppb |
| Linearity | ± 1% F.S. |
| 20% Range Precision | ≤ 1 ppb |
| 80% Range Precision | ≤ 2 ppb |
| 24h Zero Drift | ± 0.5 ppb |
| 24h 20% Range Drift | ± 4 ppb |
| 24h 80% Range Drift | ± 4 ppb |
| Response Time (Rise/Fall) | ≤ 20 s |
| Voltage Stability | ± 0.4% F.S. |
| Flow Stability | ≤ ± 10% |
| Ambient Temperature Interference | < 0.2 ppb/℃ |
| Long-term Zero Drift (7d) | < ± 0.5 ppb |
| Long-term Span Drift (7d) | < ± 4 ppb |
| Water Interference (2% H₂O) | < ± 0.15% F.S. |
| NO₂Interference (500 ppb) | < ± 0.15% F.S. |
Ozone scrubber
The ozone scrubber is filled with MnO2 as catalyst, which will convert O3 to O2 to form reference gas. Meanwhile, the presence of other components remains the same.
Data storage and analysis
Stored data are easily retrievable through the serial or ethernet port via PC client software, allowing operators to perform predictive diagnostics and enhanced data analysis by tracking parameter trends.
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