7
In order for the instrument to measure the pH accurately, temperature must be taken into
consideration. If the sample temperature is different from the temperature at which the pH
electrode was kept, allow a few minutes to reach thermal equilibrium.
To use the meter's Automatic Temperature Compensation feature, submerge the tempera-
ture probe into the sample as close to the electrode as possible and wait for a few
seconds.
If manual temperature compensation (MTC) is desired, the temperature probe must be discon-
nected from the instrument.
The display will show the default temperature of 25 °C or the last temperature set with the
"°C" (or "°F") indicator blinking.
The “MTC” tag and up & down arrows symbols light up on the LCD to indicate that the
instrument is in MTC mode and the arrow keys can be used to enter the desired
temperature value.
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