This is my first time taking the time to write a review on the Revain, I am so disappointed with this product. I bought this after hearing from several other companies in my area that this was a great counter for the price. It turns out to be awful and completely inaccurate. Not only can't it get to a decent value even near a buffer solution, it can't even hold a constant value. He jumps everywhere. I've checked 3 probes with them including their more expensive probe hoping this would fix the problem to no avail. DO NOT BUY THIS COUNTER.
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