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Pulse Discharge Helium Ionization Detector

The pulsed discharge helium ionization detector (PDD) extends the detection capabilities of Agilent 6890 and 7890 GCs. Specifically for either the 6890 or 7890 GC, the D3 detector uses the standard 6890 detector hardware and includes the Agilent electrometer. The plug-and-play device can take the place of an existing detector or can be placed in an unused position. The detector is suited for use with columns from 50-micron capillaries to 1/8 inches packed. It is non-radioactive, non-destructive, sensitive and universal. Response is linear over a wide range, and MDQs for most compounds are in the low ppb range. With no open flame, no hydrogen requirement, and close-to-true-mass response, it is a suitable upgrade for FIDs in petrochemical environments.
VICI Valco Instruments Co. Inc.
P.O. Box 55603
Houston, TX, 77255