Emerson Process Management 3420 Carbon Monoxide Alarm User Manual


 
4 Definitions, acronyms, abbreviations
Section 1: Introduction Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
m
3
/h
cubic meters per hour (volumetric flow rate)
m
3
/s
cubic meters per second (volumetric flow rate)
mA milliamp (current unit)
microinch (
μinch)
microinch (10
-6
in)
micron
micrometer (10
-6
m)
MJ megajoule (energy)
MJ/d megajoules per day (energy rate)
MJ/m3 megajoules per cubic meter (heating value)
MJ/h megajoules per hour (energy rate)
MJ/s megajoules per second (energy rate)
MMBtu million British Thermal Units (energy)
MMBtu/d million Btu per day (energy rate)
MMBtu/h million Btu per hour (energy rate)
MMBtu/s million Btu per second (energy rate)
MMU Memory Management Unit
MPa
megapascal (equivalent to 10
6
Pascal) (pressure unit)
N/A not applicable
Nm
3
/h
normal cubic meters per hour
NOVRAM non-volatile random access memory
Pa Pascal, equivalent to 1 newton per square meter (pressure unit)
Pas Pascal Second (viscosity unit)
PC Personal Computer
PFC peripheral field connection (board)
P/N part number
ppm parts per million
PS power supply (board)
psi pounds per square inch (pressure unit)
psia pounds per square inch absolute (pressure unit)
psig pounds per square inch gage (pressure unit)
PWL Piece-Wise Linearization
rad radian (angle)
RAM Random Access Memory
Table 1-1 Gas Ultrasonic Meter acronyms, abbreviations and definitions
Acronym or abbreviation Definition