AMS-400 Non-Dispersion Infrared CO Analyzer can detect low concentration (PPM level) CO in ambient air. It is one of the gaseous analyzers in the ambient air quality monitoring system. Its core module consists of a multiple return white cell gas chamber and GFC (Gas Filter Correlation) wheel. Its principle is to measure the concentration by detecting the light intensity change of the characteristic wavelength of CO.
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INDEX |
NUMERIC VALUE |
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Range |
0～1ppm、0-1000ppm（Adj） |
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Units |
ppb，ppm，ug/m3，mg/m3 |
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Zero Noise |
＜0.02ppm(RMS) |
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Lower Detectable Limit |
0.04ppm(RMS) |
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Zero Drift |
＜0.1ppm/24 h |
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Span Drift |
＜0.5ppm/24 h |
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Response Time |
＜120s |
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Linear |
＜1%/FS |
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Repeatability |
＜1%/50ppm |
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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 gas filter correlation infrared method is adopted; ·The measurement range is 0-50ppb, and the range is optional;
- Integrated white cell air chamber with vibration resistance and needs no adjustment; · Built-in pump with low power consumption;
- 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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