07506C DCN6727 vii
About This Manual
This Model 651 manual, PN 07506, is accompanied by a Quick Guide document, PN 07507, which
provides critical information that is critical to the proper and safe initial setup and timely
maintenance, and proper handling of this instrument.
Revision History
2013, June, Model 651 Manual, 07506C, DCN 6727, updates to reflect hardware changes
2012, March, Model 651 Manual, 07506B, DCN 6400, administrative corrections and specs corrections:
Inlet pressure, power requirements – max W)
2012, March, Model 651 Quick-guide (separate document), 07507B, DCN 6401, administrative correction.
2011, August, Model 651 Manual, PN 07506 Rev A, DCN 6190, Initial Release
2011, August, Model 651 Quick-Guide (separate document), PN 07507 Rev A, DCN 6190, Initial Release

CAUTION – AVOID WARRANTY INVALIDATION

Failure to comply with proper setup, maintenance and handling of this instrument
will void the warranty. Please read both the Quick Guide and this Operation
Manual before proceeding with operation of this instrument.