When was the pH Meter invented?
The pH Meter was invented in 1934 by Arnold Beckman in the USA.
An electronic instrument that measures the acidity or alkalinity of a solution.
| Year invented | 1934 |
|---|---|
| Inventor | Arnold Beckman |
| Country | USA |
| Category | Science |
Who invented the pH Meter?
Arnold Beckman invented the pH Meter in 1934 in the USA.
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