P.D. meters gen.

[adelaida]

Scope of supply. Instrumentation (PE PLANT)

Instruments / auxiliary systems:
Taking delivery of MATERIAL and EQUIPMENT in the warehouse and Site storage areas, including all handling and transport, unless otherwise specified
X
Installation of in line instruments (pneumatic, electric, hydraulic motor operated valves, rotameters on piping, orifice plates, safety and relief valves, rupture disks, P.D. meters, turbines, etc.)

Дорогие коллеги, что может означать "P.D. meters"?

Спасибо.

[Toropat]

это либо positive displacement meter, либо pressure difference meter.
голосую за первое.

[adelaida]

Спасибо!