Equipment review: Comparing all the meters I’ve tested with an Iselux Ultra Mild body wash formula

Now that we’ve met all the meters I have, let’s take a look at which ones I liked and which ones I didn’t! I find it helpful to gather all my meters and test the heck out of them using the same fluids. You can see this in action in this post where I compared…...

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Equipment review: Etekcity pH meter

This one has a strange way of calibrating, by using a screwdriver to alter it if it doesn’t register exactly the reading you want.  This has an all in one glass electrode. It has an accuracy of +/- 0.05 pH. It doesn’t measure temperature and doesn’t have automatic temperature compensation, so if you’re measuring a liquid…...

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Equipment review: WeePro pH814 pH meter

This is the worst meter I’ve tested thus far, completely inaccurate and annoying. This has an all in one glass electrode. It has an accuracy of +/- 0.05 pH. It doesn’t measure temperature and doesn’t have automatic temperature compensation, so if you’re measuring a liquid that’s less than 20˚C and higher than 25˚C, it won’t be…...

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Equipment review: 7Pros pH meter

I tried this one at Windy Point Soap Making Supplies in 2017, and it was still calibrated in 2018! I can’t remember what we did out of the box, to be honest, but I think the instructions said to soak it for 2 to 3 hours in distilled water. This machine comes with three calibration…...

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Equipment review: Dr Meter pH 100 pH meter

I bought this one by accident! I put a few different meters into my Amazon cart, and figured I’d hit “save for later” before checking out, but I didn’t, and it soon ended up at my house.  This one has a glass electrode and measures pH and temperature. It measures pH 0.1 to 14, +/- 0.02…...

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Equipment review: Jenco VisionPlus pH630 pH meter

This was the first meter I ever owned, a lovely Christmas present from my husband and mom in 2010, and it served me well for seven long years.  This meter has a glass sensor and reference tube, and the electrode can be easily replaced. It measures temperature – -9.9˚C to 99˚C or 14˚F to 212˚F, the…...

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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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