Equipment review: Jenco pH610B pH meter

This one works with your smart phone using a free or paid app, and it has no screen! This one has a gel filled, single junction glass electrode, like most others. It can measure a pH range of 0 to 14, It measures temperature from 0˚C to 50˚C, +/- 0.5˚C, but it doesn’t note that it has...

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Equipment review: HM Digital pH 200 pH meter

I bought this pH meter the summer of 2017 from Amazon.ca when my Jenco pH630 needed a new electrode and I needed a meter fast! The first one didn’t work, so the company replaced it with a new one very quickly, which was impressive. The HM Digital pH 200 is a pen type pH meter...

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Equipment review: Apera pH 20 pH meter

This one has a cute feature: When you reach the pH measurement you want or when it’s done measuring, it gives you a little smiley face.  This pH meter has a glass electrode. It measures temperature – 0˚C to 50˚C, +/- 0.5˚C – and has automatic temperature compensation (ATC). It measures pH 0 to 14, but...

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Acids, bases, and pH – oh my! Part five: What to look for in a meter

In part one of this series, we took a look at the chemistry of acids and bases. In part two, we took a look at how pH strips work. In part three, we reviewed some of the pH strips I’ve played with in my workshop. In part four, we looked at how to use a...

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