eXact pH+ Instruction Manual page 11

PH CALIBRATION PROCEDURE
6
RUN 1
Dip the meter in 7.00 pH calibration solution, stir
gently, and allow the probe to sit in the solution
until a stable reading is reached. When the
stable icon appears on the LCD, press the
complete one-point calibration. The meter returns to
measurement mode and the
the bottom left of the LCD.
7
RINSE METER SENSORS
Rinse the sensors in clean water and blot dry (never
rub or touch the pH glass bulb).
8
ENTER CALIBRATION MODE
Press and hold the
mode (press
9
RUN 2
Dip the meter in 4.00 pH calibration solution, stir
gently, and allow the probe to sit in the solution until
a stable reading is reached. When the
icon appears on the LCD, press the
complete one-point calibration. The meter returns to
measurement mode and the
at the bottom left of the LCD.
10
RUN 3
If necessary, rinse the probe in distilled water, blot it
dry, enter calibration mode, and then dip the meter
in 10.01 pH buffer solution (not supplied in kit and
sold separately). Repeat as in step 8 to complete
the 3rd point of calibration. The
appear at the bottom left of the LCD.
CALIBRATION
ST
to exit).
CALIBRATION
ND
CALIBRATION
RD
exactph.com
icon will appear at
button to enter calibration
icons will appear
11
key to
stable
key to
(OPTIONAL)
icons will