Patent ID: 11921082
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. A measuring device configured to measure a state of a solution, comprising:
a measuring unit configured to output a measurement signal associated with the state of the solution;
a protection unit attached to the measuring unit; and
a controller configured to obtain information on the state of the solution on the basis of the measurement signal output from the measuring unit, wherein
the measuring unit has:
a first part in a usable state that contributes to output of the measurement signal by coming into contact with the solution; and
a second part that is isolated from the solution by the protection unit and is in a standby state for measurement, and wherein

the information on the state of the solution includes a pH concentration;
the measuring unit has a glass electrode unit, a first reference electrode unit and a second reference electrode unit configured for glass electrode pH measurement;
the first part has the glass electrode unit and the first reference electrode unit paired together;
the second part has the second reference electrode unit;
the protection unit has a protection plate configured to isolate the second part of the measuring unit from the solution; and
the protection plate is composed of at least one of biodegradable resin and acid-soluble resin.