ABB 2600T Series Operating Instruction page 51

MV Setup - 2 Remote
Seals
Fig. 36: Level measurement with closed tanks with two diaphragm seals
H1 The lower fill level to be measured | H2 The higher fill level to be measured
1 Liquid level | 2 Pressure transmitter | 3 Gas above the fluid | 4 Capillary tube | 5 Diaphragm seal with capillary tube connection
MV-Calculation
Level Calculation
Level Unit
Lower Level
Upper Level
Distance process
Connection
Transm. mount. Pos.
Temperature Unit
Min. Temperature
Max. Temperature
Density Unit
Min. Temp. Density
Max. Temp. Density
Temperature Gas Density
Static Pressure Unit
Pressure Gas Density
Gas Density
Capillary Temperatur
Value Capillary
Temperature
Fill Fluid
Restore Last Parameter
No Calculation
Flow
Level
Steam Drum Level
Open Tank
Closed Tank
Closed Tank, 2 Remote
Seals
Dimension b from Fig. 36
Dimension d from Fig. 36
Dimension e from Fig. 36
Dimension a from Fig. 36
Minimum measuring medium temperature
Maximum measuring medium temperature
Density of the measuring medium at minimum temperature
Density of the measuring medium at maximum temperature
Reference temperature for specification of the gas density, e.g.
0 C for "standard conditions".
Reference pressure for specification of gas density, e.g 1.013
bar for "standard conditions"
Gas density for the reference conditions specified above
PT100
Sensor Temperature
Fixed Value
Halocarbon 4.2, Galden
G5, DC 200, AN 140,
Syltherm, Silicon M5,
Neobee M20, Glycerin
Water, Marcol 122, Silicon
DC704
266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. B 51