US 12,360,072 B2
PH monitoring systems having sensor modules
Sunhwan Park, Hwaseong-si (KR); Jaeo Ryu, Suwon-si (KR); Jungsoo Son, Suwon-si (KR); Kyoungok Kim, Ansan-si (KR); Wonhee Park, Hwaseong-si (KR); Jiho Uh, Seoul (KR); and Hyunsoo Chun, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 10, 2022, as Appl. No. 17/962,902.
Claims priority of application No. 10-2022-0033193 (KR), filed on Mar. 17, 2022.
Prior Publication US 2023/0296550 A1, Sep. 21, 2023
Int. Cl. G01N 27/30 (2006.01); G01N 1/20 (2006.01)
CPC G01N 27/302 (2013.01) [G01N 1/2035 (2013.01); G01N 2001/205 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A pH monitoring system comprising:
a first pipe;
a second pipe and a third pipe branched from the first pipe;
a drain connected to the third pipe;
a sensor module connected to the second pipe, the sensor module comprising an inlet valve connected to the second pipe, an outlet valve connected to the drain, and a sensor housing comprising a chamber configured to receive a chemical liquid therein; and
a pH sensor removably mounted to the sensor housing, wherein
the sensor module is disposed in parallel to the third pipe,
the sensor housing further includes an inlet, an upper outlet and a lower outlet formed at the chamber,
the inlet is connected to the inlet valve, and
the lower outlet is connected to the outlet valve.