7
Device Description:
4
Measurement:
1. After calibration, rinse the electrode with clean
water and wipe it dry. Dip the electrode into
sample solution to be measured. Stir gently
and wait until a stable reading can be obtained.
2. After measurement, rinse the electrode with
clean water, and replace the soaking bottle and
protective cap. The soaking bottle should be
always kept wet by adding soaking solution.
Note:
1. When doing a 2 points calibration, calibrate
with buffer pH 7 first, then follow with pH 4.
2. It is not necessary to calibrate before each
usage. However it should be performed every
two weeks or after 10 times of usage.
3. Change a new battery when the display fades
or flashes.