PRESSURE TRANSMITTER WITH FILL TUBE

摘要

A pressure transmitter (100) has a pressure sensor (140), an isolator diaphragm (109), and a fill tube (107). Interior passages in a pressure sensor module body (92) are filled with isolator fluid and provide fluid connections. The isolator fluid couples pressure from a first isolator diaphragm assembly to the pressure sensor (140). A first crimp portion (170) of the fill tube radially narrows into a substantially solid circular cylindrical cross section to form a first primary seal that is resistant to high pressure cycling.