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CO2 and H2O

CIRAS-3 SC CO2/H2O Gas Analyzer

The CIRAS-3 SC is a lightweight, robust instrument with a rugged aluminum and polyurethane enclosure making it an ideal instrument for both field and lab. It features a high performance, absolute CO2 and H2O gas analyzer for measurement of a single gas stream. Our innovative “Auto Zero” measurement principle ensures long term stability and accuracy of both CO2 and H2O which is a significant advantage over “gas switching” systems. The gas analyzers include an infrared source, highly polished and gold plated sample cells and specially selected detectors optimized for CO2 and H2O. The optical bench is temperature controlled and pressure compensated ensuring the most accurate CO2 and H2O measurements under changing ambient conditions. Applications Plant physiology Soil CO2 efflux Whole canopy assimilation Growth cabinets and environmental control rooms Global change studies CO2 sequestration Forest & agricultural meteorology Air-sea surface exchange (pCO2) Animal/insect respiration Environmental toxicology Volcanology Bioremediation

High precision instrument featuring 2 independent, non-dispersive infrared gas analyzer for both CO2 and H2O (Absolute Analyzer) CO2 measurement range: Up to 10000 umol mol-1 H2O measurement range: 0-75 mb Fast response and long term stability with built-in Auto Zero Fully compensated for changes in temperature, pressure and foreign gas broadening Large, full color 7R43; transflective LCD with optimized viewing angle (30 o) Large numeric and graphical presentation of data Unlimited data storage (internal memory and USB flash drive) Analog and digital (USB) output Built-in sampling pump with mass flow controller Powerful, intuitive user interface and software On-line Help Remote display capability Internal 7.2V Li-Ion rechargeable battery (optional) for portability

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