Vacuum Feedthroughs, Heating Elements, and Custom Process Heaters for Aerospace, University Research, Semiconductor, Medical and OEM Applications

BCE Capillary Source Heater Assembly

Capillary Source Heater

APCI Heater

The APCI (Atmospheric pressure chemical ionization) heater has a Resistance Temperature Detector (RTD) built into it.  The heater assembly has a .016” ID capillary tube in the center of the heater axis.  The maximum operating temperature is up to 400°C.  This assembly comes complete with the connector plug.

The APCI sample is typically dissolved in a solvent and pumped through a heated capillary.  Nitrogen gas is introduced, the gaseous solvent is heated up to 400°C and the sample is then ionized by corona discharge.


  • 12 Pin connector.
  • Pin receptacle/Socket contact.
  • Fiberglass insulated leads.
  • 300 Series stailess steel.


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