Quantek Model 902P O₂/CO₂ Analyzer
The Quantek Model 902P is a precision bench-top analyzer designed for continuous or spot-check monitoring of oxygen (O₂) and carbon dioxide (CO₂) levels in various applications, including gas blending, bioreactors, fermentation processes, and controlled atmosphere environments. It features a solid-state infrared CO₂ sensor and a long-life electrochemical O₂ sensor, ensuring accurate and reliable measurements.
Key Features:
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Model: 902P
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Manufacturer: Quantek Instruments
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Measurement Ranges: Customizable from 0–100% O₂ and 0–1% up to 0–100% CO₂
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CO₂ Sensor: Solid-state infrared sensor with no moving parts; utilizes a 6th order polynomial equation for linearization
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O₂ Sensor: Heavy-duty electrochemical sensor with an expected lifetime of 5 years
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Optional Features: Internal miniature diaphragm sampling pump, analog outputs, battery operation, remote sensor mounting, data logger for PC or Mac
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Applications: Bioreactors, gas blending systems, fruit storage areas, fermentation, biofuel experiments, algae off-gas analysis, welding gases, controlled atmosphere rooms, carbon capture and storage, incubation experiments, cell culture experiments
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Power Requirements: 90–254 VAC, 47–63 Hz (universal input), 150 W maximum
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Dimensions: 12.2″ x 12.2″ x 3.5″ (31.1 x 31.1 x 8.9 cm)
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Weight: Approximately 7.5 lbs. (3.4 kg)



