User guide

OPERATION 4
17
SMARTSENS PH 8570
www.krohne.com11/2013 - 4002544902 - MA SMARTSENS PH 8570 R02 en
Operation
4.1 Calibration
4.1.1 Calibration with PACTware
TM
Manual hold
• Start the function calibration
calibrationcalibration
calibration in menu mode Quick Setup
Quick SetupQuick Setup
Quick Setup or Setup
SetupSetup
Setup.
• Activate the function manual hold
manual holdmanual hold
manual hold to avoid an alarm.
• Select yes
yesyes
yes.
• Press Next
NextNext
Next to proceed.
Temperature compensation
• Set the temperature compensation
temperature compensationtemperature compensation
temperature compensation for calibration.
• Select between automatic
automaticautomatic
automatic or manual
manualmanual
manual.
i If you have selected manual temperature compensation
manual temperature compensationmanual temperature compensation
manual temperature compensation, please enter the temperature of
the pH buffer solution. Default setting: 25°C / 77°F.
• Press Next
NextNext
Next to proceed.
Start calibration procedure
• Dip the sensor into the first pH buffer solution 1 and wait till the value is stable.
• Press Next
NextNext
Next to proceed.
i The measurement of pH buffer solution 1
pH buffer solution 1pH buffer solution 1
pH buffer solution 1 starts and the values pH and temperature appear.
After approx. 10 seconds the following values appear:
pH value
temperature value
Indentified buffer value
• Press Next
NextNext
Next to confirm the identified pH buffer solution. If neccessary change the value of the
pH buffer solution manually. If the sensor does not recognise the pH buffer solution the
message buffer not recognised
buffer not recognisedbuffer not recognised
buffer not recognised appears.
• Press Next
NextNext
Next to proceed.
i The value 0 for the pH buffer solution appears. Enter the value of the pH buffer solution
manually.
• Press Next
NextNext
Next to proceed with the calibration procedure.
• Clean the sensor with demineralised water 2.
Figure 4-1: Calibration procedure
.book Page 17 Monday, November 18, 2013 4:44 PM