Metrohm NIRS XDS Process Analyzer – DirectLight/NonContact - Manual (Page 10)

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The BEBCO system supplies clean instrument air or inert gas to remove flammable vapors, and to
prevent accumulation of ignitable dust within the protected XDS Process enclosure. The XDS Process
Analytics Instrument is therefore protected against combustion, heat, moisture, dust build-up and
corrosion.
This unit is described more fully in section 2.0 of this manual.
The XDS Process Analytics Instrument has an Indicator LED
panel to show functions. The LED panel shows Lamp on, and
Communications operating. The last LED indicates “Scanning.”
Fig. 1:1 This is a functional diagram of the XDS Process Analyzer, showing one In- teractance
Reflectance Probe. Interactance Immersion or Transmission Pair config- urations are available instead.
Note the Lamp Box and Reference Channel.