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Chapter 9 Additional facilities
Page 9.3
9.7 Units which the 795x can display
The 795x can display data values with many different units, as listed in Table 9.1 below. However, when
communicating with other devices, the data is always sent using the standard units.
In Table 9.1, the following definitions are used:
• Standard units: Units which the 795x displays unless you choose an alternative.
• Other units: Units which you can choose instead of the standard.
Note that many of the abbreviations used in the tables are defined in the glossary.
Table 9.1: Units of measurement
Parameter Default
units
Other units available
Temperature Deg. C Deg. F Kelvin Ohms
Pressure bar abs Pa abs
psia
kPa guage
KPa abs
bar guage
MPa guage
MPa abs
Pa guage
psig
Differential pressure mbar bar Pa kPa
N/m2 kN/m2 mm WG
mm Hg in WG in Hg
psi
Volume total m
3
cm
3
litres in3 ft3
barrel gallon (UK) gallon (US)
Standard volume total Std m
3
Std. cc Std. litres
Std. in
3
Std. ft
3
Std. barrel
Std. gallon (UK) Std. gallon (US)
Mass Total kg tonne
oz
g
ktonne
lb
Mtonne
ton
Energy Total MJ GJ
Therm
TJ
J
BTU
kJ
Density kg/m
3
tonnes/m
3
oz/in
3
oz/ft
3
oz/barrel oz/gallon (UK) oz/gallon (US)
lb/in
3
lb/ft
3
lb/barrel
lb/gallon (UK) lb/gallon (US) tons/ft
3
tons/barrel tons/gallon(UK) tons/gallon (US)
g/cc g/litre g/m
3
kg/cc kg/litre
Base density kg/m
3
As for density
Time
μs
sec
day
min hour
Frequency Hz kHz
pulse m/s
pulse/ns
pulse/s
pulse μ/s
pulse/m
Flow meter factor pulses/m
3
m
3
/pulses Vol/pulse Pulse/vol
Gas data % PPM Mole fraction
Viscosity cP Pa.s
Reyn
kgf.s/m
2
slug/fts
P
lbf.s/ft
2
Mass rate kg/hour
Mass units / time units
Volume rate m
3
/hour
Volume units / time units
Standard volume rate m
3
/hour
Volume units / time units
Energy rate MJ/hour
Energy units / time units
Calorific value MJ/m
3
Energy units / volume units