AMS-300 Ultraviolet Photometric O3 Analyzer can detect O3 with low concentration (ppb level) in ambient air. It is one of the gaseous analysis instruments in the ambient air quality monitoring system. Its core module consists of a quartz absorption cell, an ultraviolet light source, and a detector. O3 molecule has characteristic absorption to ultraviolet light. After the light source emits a beam of ultraviolet light, it is absorbed by O3 in the air in the absorption cell, resulting in light intensity attenuation. Therefore, the concentration measurement can be realized by detecting the light intensity change of O3 characteristic wavelength.
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INDEX |
NUMERIC VALUE |
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Range |
0-500ppb、0-10ppm（Adj） |
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Units |
ppb，ppm，ug/m3，mg/m3 |
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Zero Noise |
＜0.2ppb(RMS) |
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Lower Detectable Limit |
0.4ppb(RMS) |
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Zero Drift |
＜1ppb/24 h |
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Span Drift |
＜5ppb/24 h |
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Response Time |
＜120s |
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Linear |
＜1%/FS |
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Repeatability |
＜1%/50ppb |
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Sampling Flow Range |
900cm3/min±10% |
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Ambient Temperature |
5℃—40℃ |
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Power Supply |
220V、50Hz |
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Analog Output |
10V、5V、1V、0.1V (Opt) |
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Optional I/O |
RS232、RS485 |
- The principle of ultraviolet spectrophotometry method is adopted; ·The measurement range is 0-500ppb, and the range is optional;
- Dark current compensation function with high stability;
- Automatic temperature and pressure compensation for sample gas;
- Modular structure design with strong anti-jamming capability, excellent heat exchange, and convenient replacement and maintenance;
- Color screen display, touch screen operation, automatic storage of historical data;
- Provide a variety of outputs including RS232, RS485, Ethernet, USB, analog voltage output, etc.
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