公开(公告)号：US20220074865A1

公开(公告)日：2022-03-10

申请号：US17419462

申请日：2019-11-06

Applicant: Dow Global Technologies LLC

Inventor： James D. Tate ,  Paul J. Cammarata ,  R. Spencer Behling

IPC: G01N21/85 ,  G01N21/05

Abstract: A probe body (12) in a optical probe (10) including a measurement tube (14) having a plurality of probe vents (16) adapted to allow process fluid to flow there through; two or more purge rings, each including a process window, a purge gas inlet, and a plurality of purge gas outlet openings adapted to direct purge gas toward or adjacent to the process window; and a measurement region defined by a portion of the measurement tube and two or more of the purge rings.

公开(公告)号：US12007330B2

公开(公告)日：2024-06-11

申请号：US17419462

申请日：2019-11-06

Applicant: Dow Global Technologies LLC

Inventor： James D. Tate ,  Paul J. Cammarata ,  R. Spencer Behling

IPC: G01N21/85 ,  G01N21/03 ,  G01N21/05

CPC classification number: G01N21/8507 ,  G01N21/05 ,  G01N2021/0389 ,  G01N2021/052 ,  G01N2021/8578 ,  G01N2201/0233 ,  G01N2201/062

Abstract: A probe body (12) in a optical probe (10) including a measurement tube (14) having a plurality of probe vents (16) adapted to allow process fluid to flow there through; two or more purge rings, each including a process window, a purge gas inlet, and a plurality of purge gas outlet openings adapted to direct purge gas toward or adjacent to the process window; and a measurement region defined by a portion of the measurement tube and two or more of the purge rings.