| Business Type | Manufacturer, Exporter, Supplier, Retailer, Distributor |
| Voltage | 3-6VDC |
| Display Type | Digital |
| Automatic Grade | Automatic |
| Click to view more | |
Product Details
pH meter, electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution. Fundamentally, a pH meter consists of a voltmeter attached to a pH-responsive electrode and a reference (unvarying) electrode. ... When the two electrodes are immersed in a solution, they act as a battery.
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