pH Meter Instrument Information
An instrument containing two electrodes (often glass and calomel reference, sometimes a combination) that measures the hydrogen ion concentration (pH) in a solution, indicating is acidity or alkalinity, by measuring the difference in electrical potential between the two electrodes and displaying it on an analog or digital display.

Common Uses
- Testing the pH in solutions in laboratory work, soil in agriculture, water quality in water supply systems, brewing and healthcare.
Common Types
- Intended Use (Solution Measuring, Semi-Solid)
- Display Type (Analog, Digital)
- Number of Inputs
- Computer Interface
Measurement Parameter
- pH
Calibration Discipline
Calibration Equipment Used
- pH Standards