Customer Reviews of Portable pH Testers pHep, PEP
The reviews are automatic translation.
Showing 1 - 2 of 2 Reviews .
Measurement of strongly acidic water in the vicinity of pH 2.7
On 2017-07-13 09:31:07
Suddenly the value became unstable around 6 months and 6 days and it became completely useless. I am sorry to have washed it regularly and used it. I bothered that I could use it for about 2 years without any problems. I'm in trouble because the pH meter is quite fragile, is it quite difficult? I use it everyday at this price, but I want at least about a year to have it.
This review is about item#33203791.
On 2016-04-27 11:40:13
Even though it is a brand-new one, there is a deviation (12% higher judgment) in the measured value.
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