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AIRSENSE Compact is a double mass spectrom-eter featuring the Ion Molecule Reaction (IMR) Mass Spec plus the Electron Pulse Ioni z ation (EIMS) MassSpec principle, housed in a user friendly system.By using the IMR principle, primary ions with lowerenergy levels are used to completely ionize the probegas molecules. The quadrupol
5. 4. 7. e mass filter (0-500 amu)than separates the molecules for further detection atthe fast pulse counter.To measure raw and trace gas components simulta-neously within one system, we combine the EIMSprinciple with the IMR in one single housing which isnow reflecting an intelligent and easy to use multi component system being able to measure the leadingcomponents N
6. 1. 2. 5. 4. 3. 1. IMR-Primary Ion Source2. 3. Charge Exchange Cell 4. Quadrupol Mass Filter 5. Particle Detector6. Gas Inlet System7. EIMS-Ion Source Octopol Seperation Device 2 , He, H
2 , CO
2 and Ar at the sametime as the trace gases.The temperature and pressure compensated samplegas inlet guarantees the correct measurement and avoids discrimination of the gas. Any contaminationdue to condensation or particulate matters is mini-mized.

Principle of Operation

Targeting the specific needs within R&D applications,the series AIRSENSE Compact is a combination ofthe well proven analytic technologies in one singlehousing. The

Features Functions Benefits • Multi Component Analy z er, High Selectivity, • On-Line Measurement of raw gas and trace analysis,• Fast Response Time, Optimi z ed Operational Cost, Compact Dual MS Technical Data

EIMSIMR EIMSIMR Mass range0 – 100 amu 0 – 500 amuLower detectable limit0 – 100 % 0 – 10.000 ppm Analysis timeV&F INSTRUMENTS INC. Tel.: (734) 424-1574

Airsense EI (Compact) Synchronized Double Mass Spectrometer - 58717 ·

Fax: (734) 424-1580 e-mail: vfi@vandfna.com 1136 Baker RoadDexter, Michigan 48130

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