Varian 0981-82850-301 Thoria Ion Source Tube  
Written by AnubisTTP on 2007-06-18  


The Varian 0981-82850-301 is a thoria iridium ion source for use in Varian gas detectors. The device is barely a vacuum tube, as it has no glass envelope; the envelope for the tube remains attached to the gas detector. To protect the ion source from a world of dirty humans, the device is shipped in a protective plastic cylinder, which contains stern warnings to handle the device by its base only to prevent fouling of the pre-cleaned surfaces.


Varian Thoria Iridium Ion Source Tube
Varian 0981-82850-301 thoria iridium ion source tube.

Varian 0981-82850-301 Tube
This vial protects the vacuum component until installation.

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