pH Meter: Amazon.com
网页Discover our great selection of pH Meters on Amazon.com. Over 1,500 pH Meters Great Selection & Price Free Shipping on Prime eligible orders
5 Best pH Meters - Sept. 2024 - BestReviews
网页2021年10月27日 · A pH meter measures the hydrogen-ion activity of a liquid or surface — in other words, its acidity or alkalinity — using an electrode. The three common types of pH meters are pen-style meters, handheld meters, and benchtop meters, all of which serve the same purpose but vary in design and sometimes in capability.
pH Meters | Thermo Fisher Scientific
网页In pH meters, the difference in voltage between pH-sensitive glass electrodes and reference electrodes is converted into pH units based on the Nernst equation. These instruments include pH meters used to measure the acidity and alkalinity of …
Amazon.com: Ph-meter
网页Digital pH Meter for Food, pH Probe for Sourdough and Bread Dough, Checking The pH of Fermenting Sausages and Salami, Waterproof pH Tester for Solid and Liquid Soft Soil Sample…
Shop pH Meters | Fisher Scientific
网页View our selection of pH Meters available on fishersci.com. We have portable pH Meters and benchtop pH Meters for your laboratory applications.
pH Meter | Hanna Instruments
网页A better pH meter by design. Join millions of customers around the world who choose a Hanna pH meter for better accuracy, simplicity, and inspiring design. Learn More.
pH meter - Wikipedia
网页A pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH. [2] The pH meter measures the difference in electrical potential between a
pH计 - 维基百科，自由的百科全书
网页pH计或称酸碱测计，是一种科学仪器，用于测量水溶液的pH值，以pH值表示溶液的酸度或碱度。pH计测量pH电极和参比电极之间的电势差，因此pH计有时被称为“电位pH计”。
What is a pH meter and how does it work? – Omega Engineering
网页The pH meter is basically a high impedance amplifier that accurately measures the minute electrode voltages and displays the results directly in pH units on either an analog or digital display. In some cases, voltages can also be read for special applications or for use with ion-selective or Oxidation-Reduction Potential (ORP) electrodes.
pH Measurement - pH Meters, Sensors, Testers and Supplies - Hach
网页Hach has a range of pH sensors, pH meters, test strips and more to help make your pH testing more accurate and more reliable. Read about measuring pH in water, why you should monitor pH, products for monitoring pH and more.