Siemens Maxum II Manual page 64

Glossary
Detector Compartment
The middle section of a Maxum II Chromatograph that is equipped with either Airbath or Airless
oven. It houses various detectors that may be equipped in the Maxum II Airbath/Airless Oven.
It also houses the Methanator, if equipped.
Detector Personality Module (DPM)
The module which interfaces each detector to the Maxum II electronics. Different DPM boards
are used for different types of detectors. Some DPM boards are equipped with temperature
control circuits that can be used to control heating elements for detectors, valves, Methanators,
etc.
Division 1
Locations with an atmosphere where a mixture of air and flammable substances in the form
of gas, vapor, or mist is likely to occur in normal operation either continually or occasionally.
This term is commonly used in association with hazardous areas in the United States and
Canada.
Division 2
Locations with an atmosphere where a mixture of air and flammable substances in the form
of gas, vapor, or mist is only likely to occur in abnormal circumstances and, if it does occur,
will persist for only a short period. This term is commonly used in association with hazardous
areas in the United States and Canada.
Electronics Enclosure (EC)
The top section of the Maxum II Chromatograph. It houses the primary electronic modules of
the Maxum II.
Explosion Proof
(Also explosion-proof) A protection principle that uses device enclosure which is constructed
to withstand any explosion that may occur inside it and to prevent any internal explosion from
igniting any flammable vapors or gases in the surrounding atmosphere. This is generally
accomplished using thick walled enclosures and flame arresting entry and exit points. This
term is applicable to the CSA standard.
Flameproof
(Also flame proof or flame-proof) A protection principle that uses device enclosure which is
constructed to withstand any explosion that may occur inside it and to prevent any internal
explosion from igniting any flammable vapors or gases in the surrounding atmosphere. This
is generally accomplished using thick walled enclosures and flame arresting entry and exit
points. This term is applicable to the ATEX standard.
64
Explosion Protection Safety Standards
Manual, August 2017, A5E02220442001 Rev 8