MKS 248A - How this Manual Is Organized; Customer Support

How This Manual is Organized Chapter One: General Information
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How This Manual is Organized
This manual is designed to provide instructions on how to set up, install, and operate a Type 249
unit.
Before installing your Type 248 unit in a system and/or operating it, carefully read and
familiarize yourself with all precautionary notes in the Safety Messages and Procedures
section at the front of this manual. In addition, observe and obey all
WARNING and
CAUTION notes provided throughout the manual.
Chapter One, General Information, (this chapter) introduces the product and describes the
organization of the manual.
Chapter Two, Installation, explains the environmental requirements and describes how to mount
the instrument in your system.
Chapter Three, Operation, describes how to use the instrument and explains all the functions and
features.
Chapter Four, Maintenance, lists the maintenance required to keep the instrument in good
working condition.
Chapter Five, Repair, lists the requirements for returning the instrument to MKS should any
repair be needed.
Appendix A, Product Specifications, lists the specifications of the instrument.
Appendix B, Model Code Explanation, describes the instrument’s ordering code.
Customer Support
Standard maintenance and repair services are available at all of our regional MKS Calibration
and Service Centers, listed on the back cover. In addition, MKS accepts the instruments of other
manufacturers for recalibration using the Primary and Transfer Standard calibration equipment
located at all of our regional service centers. Should any difficulties arise in the use of your
Type 248 instrument, or to obtain information about companion products MKS offers, contact
any authorized MKS Calibration and Service Center. If it is necessary to return the instrument to
MKS, please obtain an RMA Number (Return Material Authorization Number) from the MKS
Calibration and Service Center before shipping. The RMA Number expedites handling and
ensures proper servicing of your instrument.
Please refer to the inside of the back cover of this manual for a list of MKS Calibration and
Service Centers.
Warning
All returns to MKS Instruments must be free of harmful,
corrosive, radioactive, or toxic materials.