Michell Instruments Liquidew EExd, User Manual

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Liquidew EExd User’s Manual
viii 97097 Issue 14.1, November 2019
Abbreviations
The following abbreviations are used in this manual:
AC
alternating current
atm pressure unit (atmosphere)
barg pressure unit (=100 kP or 0.987 atm) gauge
°C degrees Celsius
°F degrees Fahrenheit
dp dew point
EU European Union
GPM gallons per minute
Hz Hertz
IEC International Electrotechnical Commission
kg kilogram
l/min liters per minute
ml/min milliliters per minute
l/min normal liters per minute
lb pound
mA milliampere
max maximum
min minute(s)
mV millivolt(s)
N/C normally closed
N/O normally open
No number
ppm
W
parts per million (by weight)
psig pound(s) per square inch (gauge)
RH relative humidity
RTU Remote Terminal Unit
temp temperature
V Volts
" Inch
Warnings
The following general warnings listed below are applicable to this instrument. They are
repeated in the text in the appropriate locations.
!
Where this hazard warning symbol appears
in the following sections, it is used to
indicate areas where potentially hazardous
operations need to be carried out.
DANGER
Electric
Shock Risk
Where this symbol appears in the following
sections it is used to indicate areas of
potential risk of electric shock.