公开(公告)号：US20230296550A1

公开(公告)日：2023-09-21

申请号：US17962902

申请日：2022-10-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunhwan PARK ,  Jaeo RYU ,  Jungsoo SON ,  Kyoungok KIM ,  Wonhee PARK ,  Jiho UH ,  Hyunsoo CHUN

IPC: G01N27/30 ,  G01N1/20

CPC classification number: G01N27/302 ,  G01N1/2035 ,  G01N2001/205

Abstract: A pH monitoring system includes a first pipe, and a second pipe and a third pipe each branched from the first pipe, a drain connected to the third pipe, a sensor module connected to the second pipe, the sensor module including an inlet valve connected to the second pipe, an outlet valve connected to the drain, and a chamber configured to receive a chemical liquid therein, and a pH sensor mountable to the sensor housing. The sensor module is disposed in parallel to the third pipe.