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Chapter 1Preface
Please read this Operating Manual carefully before putting your 628 into service,
especially all safety related WARNINGS and CAUTIONS throughout the
manual.
About this manual
The purpose of this manual is to inform the operator how to connect, wire, operate,
maintain, and troubleshoot the 628 Tester.
Intended Use
This tester is intended to be used in an indoor, industrial environment by suitably
trained personnel.
Equipment Needed
• Master Part-Must be a known good part and be identical and of same material
as production parts (for calibration).
• Leak Master (for calibration).
Document History
• 11-30 -2017:Revision 1.0. Initial release.
• 03-01-2019: Revision 2.0. Added Electronic Regulator, Second fill step,
Program Linking option details (Software version 1.0.5).
• 03-08-2021: Revision 3.0 General improvements and corrections (Software
version 1.0.9).
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