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12.1 Nomenclature/Abbreviations
The following abbreviations, definitions and terminology are used in the
documentation.
Short form
Short formShort form
Short form
Description
DescriptionDescription
Description
°C Temperature (Celsius) = TC = TK - 273.15 = 5
⁄9 (TF
- 32)
°F Temperature (Fahrenheit) = TF = 1.8 TC + 32 = 1.8 TK - 459.67
ATEX Atmosphère explosible (French for explosive atmosphere)
bar Pressure 1 bar = 0.1 MPa = 14.504 psi
C2H6 Ethane
C3H8 Propane
CH4 Methane
CO2 Carbon dioxide
CPU Central processing unit
d Relative density (density ratio of fuel and air)
DBB Double-block-and-bleed (valve block technology)
DC Direct current
DHCP Dynamic Host Configuration Protocol
DIN
Deutsches Institut für Normung e.V.
(German Institute for Standardization)
EN European standard
EN/IEC 60079-14 Standard on explosive atmospheres
EPC Electronic pressure control
FE Functional earth
GC Gas chromatograph
Hi/HiM/HiV Lower heating value; molar/Lower heating value; mass/Lower heating
value; volume
Hs/HsM/HsV Higher heating value; molar/Higher heating value; mass/Higher
heating value; volume