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PG7601 / PG7607 Internal Vacuum Sensor Calibration

The internal vacuum sensor is a thermal conductivity Convectron(R) model 275 vacuum gauge. It can be calibrated in-place by comparison to a higher performing vacuum sensor such as a capacitance diaphragm gauge ("CDG").  The attached procedure is an excerpt for the PG7601-AF user manual.  Accessory hardware is required for connecting the CDG to the PG7601 and these kits are detailed at the start of the document.



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