Apera Instruments AI101G GroStar Series GS1 pH Pen Tester Kit
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Lab pH Meters
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About Apera Instruments AI101G GroStar Series GS1 pH Pen Tester Kit
Overall Feedback:
93% positive
86% praised for its high accuracy readings
I find the tool fairly complex but it yields very accurate results.
I tested the meter against a more expensive one and found the readings were within a few points, indicating high accuracy.
I verified that the probe is very accurate with another meter.
82% liked the clear and easy-to-read display
The backlit display makes it easy to read pH values in low light conditions and the hold function allows me to freeze the pH reading for later analysis. This feature is especially important for senior people like my grandpa.
89% found calibration to be straightforward
Calibrating this lab-ph-meter is quick and easy, taking about 90 seconds at most. I even uploaded a video to demonstrate how easy it is. I've noticed some user error in some of the problems people are having.
The calibration process is much easier than my previous testers.
