Information for general use
Rev. M / 73023639
Standard on explosive atmospheres
Farad = 1/ Daraf = S−1 (electrotechnical units)
Functional earth / functional ground
Pound-foot 1 ft ⋅ lb = 1 ftlb = 1.355817948 Nm
Net heating value/Lower heating value/Inferior calorific value
(molar/based on mass/based on volume)
Gross heating value/Higher heating value/Superior calorific value
(molar/based on mass/based on volume)
Identification number (enSuite), for example gas cylinder number
(IECEx SYSTEM) International explosion-protection (Ex) rating
length in inch (1 ′′) 1 in = 1 ′′ = 0.0254 m = 25.4 mm
Internet protocol / Protection class
International Organization for Standardization
Temperature (Kelvin) = T
K
= 5⁄9 (T
F
+ 459.67) = T
C
+ 273.15 (∆ 1K = ∆ 1°C)
Internal coefficients and filters
Kilogram 1kg = 2.204623lb.
Liter 1l = 0.001m³ = 0.0353 cft= 0.0353 cu ft
Molar mass (of the mixture)
Length in SI unit (meter) 1 m = 1000 mm = 3.280840 ft = 39.37008 in (or ′′)
Cubic meter 1m³= 1000 l = 35.3147 cft = 35.3147 cu ft
Milligram 1 mg = 0.0154323584 gr
Megajoule 1MJ = 948.45138280892 BTU