6
reading is reached, the “HOLD” icon will be on. Press the
“Enter”
key to save the calibration, wait a second, the
second point has been calibrated and the unit is ready to
be sloped at the third buffer.
[
Note:
At this moment
,
Press the
“Hold”
key, the unit
will exit the calibration mode.
Dual points
calibration is
complete.]
5. Remove the electrode & ATC assembly from the second
buffer. Rinse them in distilled water and immerse them in
the third buffer solution. The unit will display the
temperature of the third buffer.
6. The first, second buffer icons will be on, the third buffer
icons will flash and the “HOLD” icon will flash until the
unit detects a stable reading, When a stable reading is
reached, the “HOLD” icon will be on. Press the
“Enter”
key to save the calibration, wait a second, the third point
has been calibrated and the unit will automatically exit
the calibration mode.
Three points
calibration is
complete.
[
Note:
For accurate measurements, it is recommended
that pH calibration is preformed once a week and after
replacing the electrode.]
D. Measure
Dip the meter into the test solution in the “Measure
Mode”.
E. Hold Data
1.
When the pH reading is stable, press
“Hold”
key once
to lock the reading.
2.
Press
“Hold”
key again to unlock reading and the unit
will return to “Measure Mode”. The unit is now ready for
another measurement.
