Kahn Optidew Series, User Manual

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Optidew User’s Manual
Kahn Instruments ix
Abbreviations
The following abbreviations are used in this manual:
A ampere
AC
alternating current
atm pressure unit (atmosphere)
bara pressure unit (=100 kP or 0.987 atm) (absolute)
barg pressure unit (=100 kP or 0.987 atm) gauge
°C degrees Celsius
°F degrees Fahrenheit
EU European Union
hr hour
Hz
Hertz
IEC International Electrotechnical Commission
IP Internet protocol
ml/min milliliters per minute
mg/m
3
milligrams per cubic meter
lbs/MMscf pounds per million standard cubic feet
mA milliampere
mins minutes
mmHg
millimeter of mercury
Pa pascal
ppm
V
parts per million (by volume)
ppm
W
parts per million (by weight)
psia pound(s) per square inch (absolute)
psig pound(s) per square inch (gauge)
RH relative humidity
RS485/232 standards defining the electrical characteristics of drivers & receivers
RTC
real time clock
RTU Remote Terminal Unit
SD storage device card
UART universal asynchronous receiver/transmitter
USB Universal Serial Bus
V Volts
" Inch
Δ delta
% percentage
Ω ohms