Differential pressure transmitter
ISA 5.1-2009/2022 (primary element symbols) / PIP PIC001
Drawn as
A PDT bubble with two impulse lines: one to each side of a filter, strainer, exchanger or column section.
Meaning
Differential pressure across equipment: filter or strainer fouling, scrubber dp, column flooding. Becomes dp-transmitter.
Variants
- A local dp gauge is PDI or PDG
- Dp level transmitters are tagged LT (see the dp level entry)
Tags
PDT · PDIT · PDT · PDIT · PDI