Liquid Controls SP4000 - Manual (Page 52)

49
SP4000 Flow Computer
SYSTEM UNITS
6.6
SYSTEM
UNITS
(Continued)
Select the unit for process pressure.
Note:
The unit selected here also applies to the following:
• Zero and full scale value for current
• Relay setpoints
• Reference conditions
Differential pressure is in mbar for Metric selections
Differential pressure is in "H
2
O f or English selections
Selection:
bara, kpaa, kc2a, psia, barg, psig, kpag, kc2g
Definitions:
bara bar
kpaa kpa Absolute pressure
kc2a kg/cm 2 ("a" for absolute)
psia psi
barg bar Gauge pressure compared to
kpag kpa atmospheric pressure
kc2g kg/cm 2 ("g" for gauge)
psig psi
Gauge pressure differs from absolute pressure by the
atmospheric pressure, which can be set in the submenu
group "OTHER INPUT".
Display: psia
PRESSURE UNIT
Select the unit for the density of the fluid.
Note:
The unit selected here also applies to the following:
• Zero and full scale value for current
• Relay setpoints
Selection:
kg/m 3 , kg/dm 3 , #/gal, #/ft 3
(# = lbs = 0.4536 kg)
Display: #/ft3
DENSITY UNIT
PRESSURE UNIT
DENSITY UNIT