AC Infinity AC-PHM3, Руководство пользователя

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FAQ
Why is moisture in my new pH meter?
New pH meters are stored in a special solution to maintain the integrity of the electrode and
its glass membrane. This glass membrane must be kept moist in order for the pH meter to
function properly.
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How often should I calibrate the pH/conductivity?
Your meter's accuracy depends on several factors like the environment it's used in and how
often it is used. We recommend calibrating your pH meter once a month, after testing a
series of samples, or if readings don't appear accurate.
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What is the difference between conductivity, TDS, and salinity?
Conductivity is a measure of a solution's ability to conduct electricity, while TDS (total
dissolved solids) and salinity are measures of a solution's concentration of dissolved solids
and salt, respectively. Q:
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What is the difference between USA and NIST in the settings?
The USA and NIST settings differ in the buffer solutions used for calibration. The USA
settings use three buffer solutions with pH values of 4.00, 7.00, and 10.00 while NIST uses
the pH values of 4.01, 6.86, and 9.18. Q:
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Why did my pH meter turn off?
Your pH meter will automatically turn off after 8 minutes of inactivity.
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