LVA - Vacuum Detection Machine
Bonfiglioli Engineering announces the LVA, a totally precise way to perform 100% vacuum detection
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•LVA - Vacuum Detection Machine Brochure
Bonfiglioli Engineering announces the LVA, a totally precise way to perform 100% vacuum detection. Using an optical-based headspace sensing system. It is now possible to directly measure pressure, oxygen and moisture in the headspace of parenteral drug products.
Measurement Process
Light from a near-infrared semiconductor laser is tuned to match the internal vibrational frequency of a target molecule. The light is passed through the headspace region of a sealed container and some of the laser energy is absorbed by the target molecules. The laser is scanned in frequency and a photodetector records an absorption profile. The laser absorption signal contains information about the headspace gas concentration and the total headspace pressure. The measurement method also incorporates a high sensitivity detection technique known asTDLAS (Tunable Diode Laser Absorption Spectroscopy).
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•LVA - Vacuum Detection Machine Brochure