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Manual: 153-082010_HPM 4-6 Vacuum Gauge Page 2 of 12
Manual Print History
The print history shown below lists the printing dates of all revisions and addenda created for this manual.
The revision level letter increases alphabetically as the manual undergoes subsequent updates. Addenda,
which are released between revisions, contain important change information that the user should incorporate
immediately into the manual. Addenda are numbered sequentially. When a new revision is created, all
addenda associated with the previous revision of the manual are incorporated into the new revision of the
manual. Each new revision includes a revised copy of this print history page.
Revision A (Document Number 153-012000)................................................................ January 2000
Revision B (Document Number 153-082005).................................................................August 2005
Revision C (Document Number 153-082006) ................................................................August 2006
Revision C (Document Number 153-082010) ................................................................August 2010
Visit www.teledyne-hi.com for WEEE disposal guidance.
Contact with harsh solvents and chemicals to any plastic parts of the HPM 4/6 Vacuum
Gauge can damage the unit and may void the warranty.
Instrument repair should only be performed by Teledyne Hastings service technicians.
Disconnecting gauge tube by pulling on the cable may result in damage to the octal
socket and/or cable.
Electromagnetic interferences (EMI) in the frequency range 80MHtz to 1000MHz at
intensity levels of 3V/m may cause the HPM-4/6 unit to display up to a 21% deviation from
the correct reading.
Removing the source of the EMI or increasing the distance between the source and the
HPM-4/6 will return the unit to its normal operating condition.
Hastings Instruments reserves the right to change or modify the design of its equipment
without any obligation to provide notification of change or intent to change.