Instrument: pH Sensor

Instrument: 
Instrument Short Name: pH Sensor
Instrument 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+). 

PI supplied instrument name: Orion ROSS Ultra pH / ATC Triode double-junction combination electrode
Dataset-specific description

(Orion ROSS Ultra pH / ATC Triode double-junction combination electrode, 8157BNUMD, accuracy ±0.02 units)