PAC CHECK Series O2 / CO2 Headspace Analyser Headspace analyzers are imperative to accurate shelf-life testing of finished packages, including MAP (modified atmosphere packaging) and vacuum-packed products. Sample testing is necessary as the atmosphere in a package cannot be strictly and indefinitely controlled, only modified. The PAC CHECK Systems are used in production, quality control, and R&D applications. Measure O2 or CO2 concentration with small sample amounts, manually or automatically. The same analyzer can be used for both flexible and rigid packaging. This instrument is certified traceable to NIST as an added feature for the quality conscious producer. Principle of Operation Carbon Dioxide - Sensing is performed by passing the gas through an enclosed sensor that utilizes an infrared energy source, an infrared filter and thermopile detector. The thermopile is a voltage generating device that outputs a signal representing the carbon dioxide level present. Oxygen - The basis of the oxygen measuring subsystem is a solid-state oxygen ion conduction material called zirconium oxide. Due to oxygen vacancies in the ceramic lattice structure of this material, oxygen ions are able to move in the solid material at an elevated temperature. This property enables the measurement of oxygen in a gas of unknown composition. Features Small Sample Size Fast Response NIST Traceability FLO-SMART Technology Liqui-Blok Filter ETL Listed, Conforms to UL Std.3101-1 Models: PAC CHECK 450 Oxigenen Analyser PAC CHECK 550 Carbon Dioxide Analyser PAC CHECK 650 Oxigenen & Carbon Dioxide Analyser Typical Applications: Snack Foods Bakery Meats & Cheeses Pharmaceutical Vials & Pouches Modified Atmosphere Packaging Coffee, Juice, and Carbonated Beverages Manufacturer: Your contact: Peter Schlösser Productmanager +49 2631 / 3933-13 E-Mail Accessories: Linde MiniCan MiniCan with Calibration gas

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