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    Acetaldehyde, Methanol, & Benzene in CO2 Applications

    Acetaldehyde, Methanol, & Benzene in CO2 Applications
    Acetaldehyde, Methanol, & Benzene in CO2 Applications
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    Product Code : 02
    Product Description

    Acetaldehyde, Methanol, & Benzene in CO2 Applications

    The BevAlert Model 8900 provides direct measurement of Acetaldehyde, Methanol, and Benzene (AMB) in Carbon Dioxide.

    The instrument is utilized by Specialty Gas Manufacturers and the Food and Beverage Industry to monitor trace impurities in CO2 used in carbonated beverages.

    The BevAlert Model 8900 employs a photoionization detector (PID). The AMB in the gas sample are physically separated using proprietary GC columns. A dual-column configuration with timed backflush to vent is used to strip off

    APPLICATIONS

    Measurement of AMB in beverage grade carbon dioxide

    FEATURES
    • Direct measurement of Acetaldehyde, Methanol, and Benzene in Carbon Dioxide
    • Interference free response
    • Automatic baseline adjustment for long-term stability
    • Automatic calibration
    • Analog output ranges are user selectable
    • Concentration and diagnostic alarm relays
    • Graphic display of current or historical concentrations
    • Multipoint sampling options
    • RS-232 and optional LAN
    SPECIFICATIONS

    Analysis Time

    <360 seconds

    Detector

    PID (High-sensitivity PID Optional)

    Column

    Capillary

    Oven Temperature

    100ºC, Nominal

    Carrier Gas

    Nitrogen, 15 cc/min, Nominal

    Lower Detection Limit

    <50ppb Acetaldehyde, <2ppm Methanol, <2ppb Benzene

    Accuracy

    1% of Full-scale

    Precision

    2% of Measured Value

    Span Drift (24HR)

    <2% of Full-scale

    Sample Flow Rate

    250 – 500 cc/min, typical

    Output

    Analog: (5) 0-20ma or 4-20ma loop power supplied, isolated. Selectable for: gas concentration, unintegrated detector signal. Options for up to 16 additional programmable 0-20ma, 4-20ma or voltage outputs: 0-1V, 0-5V, or 0-10V.
    Digital: RS-232, optional Local Area Network

    Relays

    (5) User programmable relays for concentration and diagnostic alarms (1A @ 30Vdc). Options for up to 32 additional relays available.

    Inputs

    Optional digital input board for 3 contact closure inputs. Supports start analysis, start calibration, and analyze calibration gas sample.




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