7.2 How to setup parameters:
a) P1— Adjust TDS factor (0.40~1.00)
When turned off, long press to enter P1, press , 0.71 (or other factor )
flickering, press to adjust TDS factor (0.40~1.00), press to confirm
parameter selection. Long press to return to measurement mode. Factory
default setting is 0.71.
Users can adjust TDS Factor by experimental data or experience. The
following chart lists some commonly used TDS Factors for reference.
Conductivity and TDS Factor
Conductivity of the solution
TDS Factor
0~100 μS/cm
0.60
100~1000 μS/cm
0.71
1~10 mS/cm
0.81
10~100 mS/cm
0.94
b) P2-Select temperature unit (
℃
–
℉
)
In P1 mode, press to enter P2, press ,
℃
( or
℉
) flickering, press to
choose
℃
–
℉
, press to confirm parameter selection. Long press to
return to measurement mode.
c) P3-Restore to factory default (No – Yes)
In P2 mode, press to enter P3, press , No flickering, press to choose
No-Yes, press to confirm parameter selection. Long press to return to
measurement mode. No- cancel restore, Yes- restore.
When meter’s calibration or measurement performs abnormally, this function can
be adopted so the meter goes back to factory default setting and then users can
conduct calibration or take measurements again.