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9861/9661 pH/mV Probe Calibration procedure-1
1.PTS means the sensitivity of the probe, the acceptable slope
of electrode range is 85% to 105%.,please change the probe
to get correct reading.
Volt:
EXIT
CAL
PRN
Temp:
PH:
28C
7.60
-34.9mV
ATC
EXIT
LXW
ENTER
SAVE
Volt: -3.6mV
PH: 7.00
CALIBRATION
Auto Judging...
Last: 76 days ago
RST
CALIBRATION
PH:
7.00
EXIT
LXW
ENTER
SAVE
RST
Selecting point
ATC
CALIBRATION
PH:
7.00
EXIT
LXW
ENTER
SAVE
RST
Adj pH Value
ATC
CALIBRATION
Volt:-6.9mV
EXIT
LXW
ENTER
SAVE
RST
measuring....
ATC
Long press
To be continued..
Note This is to calibrate under
ATC( Temperature probe is
plugged side by pH probe )
To calibrate under NonATC,
please see procedure -3)
25
2.The meter is capable of calibrating up to 5 points using USA
or NIST pH buffer standard. There are 1.68-4-7-10-12.45 five
points for selection.
3.It is recommended that you start with first buffer at 7.00 pH .
The meter may select pH buffer value by pressing or
to calibrate with correct calibration value. +/-0.5 of the selected
range.
