The AMS-201 Ozone Calibration Instrument is a quality control device for ozone within environmental air quality monitoring systems. It primarily consists of an ozone generator and a photometer. The ozone generator produces ozone by passing a stable airflow through a UV lamp; by adjusting the flow rate and lamp intensity, a specified ozone concentration can be achieved. The photometer provides feedback signals to control the lamp intensity, ensuring stable ozone output with temperature and pressure compensation. This product is suitable for the regular maintenance of ozone analyzers.
| Photometer | Range | 0–500 ppb |
| Accuracy | 1 ppb | |
| Linearity | ±1% F.S. | |
| Display Error | ±2% F.S. | |
| Repeatability | ≤1% | |
| Stability | ≤1.5% | |
| Zero Point Noise | 0.5 ppb | |
| Span Noise | ≤3.0 ppb | |
| Zero Point Drift | ±2.5 ppb | |
| Range Drift | ±5 ppb | |
| Response Time | <180 s | |
| Ozone Generator | Maximum Output | 5 L/min |
| Stabilization Time | 480 s | |
| Minimum Concentration | 50 ppb @ 3 L/min | |
| Maximum Concentration | 5 ppm @ 1.5 L/min | |
| Power | Power Requirements | 220 VAC ±10% |
| Communication | Analog Output | 10 V, 5 V, 1 V, 0.1 V (selectable) |
| Communication Specifications | RS232, RS485 | |
| Operating Temperature | Temperature Range | 5°C – 40°C |
- Used for primary or transfer calibration of ozone analyzers
- Optional internal zero air or external zero air source
- Features auto-start function upon power-up
- Rich interfaces and flexible communication methods, supporting RS232 and RS485 communications; bi-directional RS232 port for remote control
- Flexible and convenient operation with a color display and simple touchscreen interface
- Powerful self-diagnostic function; software includes a power-on self-test feature and alarms for any anomalies during operation
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