4.4.3
Offline calibration
If it’s not convenient for on site calibration, please use the Lab device to calibrate the probe o.
Firstly, record mV value which relative to the current room temperature, and then input the
value into Offline item. That is manual input calibration.
Under pH measurement main interface press“select” 3s enter into manul calibrate interface
，
input the relative mA value of buffer solution with mating probe
，
press” ”save
，
return main
interface.
NOTE
：
input wrong LCD screen display ” ”under any calibrating spot mV value
；
Press “enter”
key to continue calibration
，
or press “return” key cancel the calibration and enter into next calibrate
spot.
ⅤINTRUMENT MATING PROBE INSTALLATION GUIDE
5.1 Probe outline dimension
Temp.probe
9
