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公开(公告)号：WO2022087448A1
公开(公告)日：2022-04-28
申请号：PCT/US2021/056297
申请日：2021-10-22
发明人： FENG, Chang-Dong , GARRAHY, Robert J. , BROADLEY, Scott T. , SARGENT, Bradley Joseph , PALMER, Michael , NATHANSON, Jared H.
摘要： A sensor may include a sensing element retained within a storage compartment filled with a storage medium, which may also be used as a calibration medium. The sensing element can be moved from a first position in which the sensing element is exposed to the storage compartment, and a second position in which the sensing element can be exposed to a process medium. An actuator mechanism may be configured to engage a portion of the sensor to move the sensing element between the first position and the second position. The actuator mechanism may be controlled by an external system, and may include a rotary actuator such as a servomotor or a stepper motor to move the sensing element between the first position and the second position.
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公开(公告)号：WO2019060776A1
公开(公告)日：2019-03-28
申请号：PCT/US2018/052290
申请日：2018-09-21
发明人： GARRAHY, Robert J. , BROADLEY, Scott T. , FENG, Chang-Dong , SARGENT, Bradley Joseph , ROTHMAN, Josh L. , BOYCE, Andrew John
IPC分类号： C12M1/00 , G01N27/36 , G01N27/416 , C12M1/34 , G01N27/28
CPC分类号： G01N27/28 , C12M23/28 , C12M41/26 , G01N27/4165
摘要： A sensor may include a sensing element (100,200) retained within a storage compartment filled with a storage medium (106,206), which may also be used as a calibration medium. The sensing element can include a sensing surface (210) located away from the distal end of the sensing element, such that an inactive section of the sensing element can cooperate with a sealing member such as an O-ring to form part of the seal retaining the storage/calibration medium. The sensing element can be extended and retracted from the storage compartment to expose the sensing surface to a process medium, while preserving the storage medium within the storage compartment for post-measurement validation.
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