Patent ID: 11860117
Assignee: LUH CHERNG ENTERPRISE CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A reference electrode of a pH sensor configured to contact a sample, comprising:
a container unit including a hollow tubular housing; and
two water absorbing units disposed in said tubular housing and connected to each other, each of said two water absorbing units including a porous junction member configured to contact the sample, and a water absorbing member disposed on one side of said porous junction member that is opposite to the sample, said porous junction member and said water absorbing member contacting each other at an interface, said water absorbing member being made from a superabsorbent polymer;
wherein said porous junction members and said water absorbing members of said water absorbing units are arranged in an alternate manner, and said water absorbing members of said water absorbing units are not in contact with each other.