Existing reviews of PTFE pH Electrode for Strong Acid and Alkali
Many different pH meters have been used in the laboratory, but their service life is relatively short. This also takes into account daily use. The pH meter may not last for a long time, and the pH value will deviate, so durability is also considered. I purchased this instrument and have been using it for a while. It can quickly read the pH value so that we can treat the experimental sewage and discharge it as soon as possible. Hope it can last longer.
From:
Karl
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Date:
27/05/2024
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Does the pH electrode connection have polarity?
The pH sensor is not sensing and there is no resistance between the two yellow (refer) and transparent (input) cables. Is this normal?
Does the sensor connection have polarity?
If so, what is the correct connection?
I have seen the manual but it does not indicate.
From:
shelly
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Date:
30/08/2023
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1. The correct connection of the pH sensor:
The yellow wire is connected to the REF terminal and the white wire is connected to the INPUT terminal.
2. ± 4~20ma is the terminal for the PH controller to transmit the output signal, and it is the output signal terminal.
Not sure why this pH electrode has lasted so long. My pH device says its still fully functional after 6 months of ten-uses a day. Still holds less than 1% error slope.
From:
Carrie
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Date:
16/01/2023
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So far so good. I have had this pH electrode for about 1.5 months and it is still working good, which exceeded my expected life expectancy for it. Highly recommended!!!
From:
Frederick
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Date:
07/12/2022
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I have been using the ATO pH electrodes
I put the pH electrode in the pool and so far, so good. It has been in use for about 2.5 months and it is still working well, exceeding my life expectancy. I have been buying ATO electrodes for the past year.
From:
Haley
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Date:
21/11/2022
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Good PH probe at low price!
The PTFE electrodes worked beautifully and the price was right! These things are so fragile and I was so worried it would be expensive to replace. Fortunately, they are inexpensive and available. Recommend this seller!
From:
Zxenith
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Date:
24/05/2022
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PTFE pH electrode can be used in harsh environments
This PTFE electrode is perfect for sewage treatment. Using it in a harsh environment such as strong acid and strong alkali. The measurement result is stable, fast and accurate. It is a very good PTFE pH electrode.
From:
Scruz
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Date:
30/07/2021
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