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AQMS-450 Carbon Dioxide Analyzer (CO₂)

Product Summary：

FPI AQMS-450 carbon dioxide (CO₂) analyzer measures ambient CO₂ concentration by employing Non-dispersive infrared (NDIR) with gas filter correlation (GFC) method technology to realize ppm level CO₂ concentration measurement.

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Product overview

Principle
Infrared energy emitted by light source is passed through gas chamber containing the air sample, and the quantitative absorption of energy by CO in the sample cell is measured by corresponding detector.

GFC
GFC (Gas filter correlation) technology is utilized to remove interference caused by moisture and other backgrounds.
Two gas filled chambers are mounted on a rotating disc, which pass through an IR beam alternately. The measure chamber is filled with nitrogen while the reference chamber is filled with high concentration CO. IR beam then passes through the sample gas cell. The difference in absorbance is measured and provides a direct output of the gas concentration.

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.

Standard Range	0~2000ppm	Стандартный диапазон	0~2000ppm
Zero Noise	≤0.1ppm	Нулевой шум	≤0.1ppm
Span Noise	≤5ppm	Пролетный шум	≤5ppm
Lower Detectable Limit	<0.2ppm	Минимальный предел обнаружения	<0.2ppm
Precision	≤5ppm	Точность	≤5ppm
Response Time	≤90s (T90)	Время реакции	≤90сек (T90)
Output	4~20mA, RS232, RS485, Ethernet	Вывод	4~20mA,RS232, RS485, Ethernet

Product features

The integrated purging device which eliminates the interference of environmental CO2 to the instrument measurement.
The White cavity design and special anti-corrosion technology on the surface of optical devices to give better stability and longer lifetime.
Wide measurement range with low detection limit, which can meet the needs of CO2 monitoring in most application.
Adopting GFC NDIR technology, measuring range is up to 2000 ppm.
High response, high repeatability, high accuracy and simple operation.
Support classified operation, automatically storing the calibration data and alarm information, etc.