Emerson Rosemount 935 Reference Manual page 3

Open path combustible gas detector
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Glossary and abbreviations
Abbreviation
Analog video
ATEX
AWG
BIT
CMOS
Digital video
DSP
EMC
EMI
EOL
FOV
®
HART
IAD
IECEx
IP
IPA
IR
IR3
JP5
Latching
LED
LEL
LEL.m
LNG
LPG
mA
®
Modbus
N.C.
N.O.
N/A
NFPA
NPT
NTSC
PAL
PN
RFI
Meaning
Video values are represented by a scaled signal.
Atmosphere explosives
American wire gauge
Built-in test
Complementary metal oxide semiconductor image sensor
Each component is represented by a number representing a discrete quantization.
Digital signal processing
Electromagnetic compatibility
Electromagnetic interference
End of line
Field of view
Highway addressable remote transducer communication protocol
Immune at any distance
International Electrochemical Commission explosion
Internet protocol
Isopropyl alcohol
Infrared
Refers to the three infrared sensors
Jet fuel
Refers to relays remaining in the On state even after the On condition has been removed.
Light-emitting diode
Lower explosive limit: The minimum concentration of a substance (gas/vapor) in air mixture that can be
ignited. This mixture is different for every gas/vapor, measured in % of LEL.
Integral of concentration in LEL units (1 LEL = 100% LEL) and the operation distance in meters (m).
Liquefied natural gas
Liquefied petroleum gas
MilliAmps (0.001 amps)
Master-slave messaging structure
Normally closed
Normally open
Not applicable
National Fire Protection Association
National pipe thread
National Television System Committee (a color encoding system)
Phase alternation by line (a color encoding system)
Part number
Radio frequency interference
3

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