266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A 57
A The lower fill level to be measured
B 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
Figure 39: Level measurement with closed tanks with two diaphragm seals