Instrument: pH Sensor

Acronym:
 pH Sensor
External Identifier:
» skos:closeMatch https://vocab.nerc.ac.uk/collection/L05/current/355/
Description

An instrument that measures the hydrogen ion activity in solutions.

The overall concentration of hydrogen ions is inversely related to its pH.  The pH scale ranges from 0 to 14 and indicates whether acidic (more H+) or basic (less H+).