ABB 266 HART Series, Operating Instruction

Page: 27 / 80

2600T Series Pressure transmitters | OI/266/HART-EN Rev. D 27
Pressure or absolute pressure measurement of a liquid in a pipe
– Place the tap at the side of the line.
– Mount the transmitter beside or below the tap for clean fluids, above the tap for dirty fluids.
– Connect the + (H) side of the transmitter to the pipe.
Pressure or absolute pressure measurement of a condensable vapor in a pipe
– Place the tap at the side of the line.
– Mount the transmitter below the tap.
– Connect the + (H) side of the transmitter to the pipe.
– Fill the vertical section of the connecting line to the tap with a compatible liquid through the dedicated filling tee.
Figure 32: Gauge or absolute pressure measurement of a liquid in a pipe with DP and P style transmitter
Figure 33: Gauge or absolute pressure measurement of condensable vapor in a pipe with DP and P style transmitter (filling tee installed)
Dirty fluids
Dirty fluids
Clean fluids
Clean fluids