Operation – KROHNE SMARTSENS PH 1590 EN User Manual
Page 20
4
OPERATION
20
SMARTSENS PH 1590
www.krohne.com
11/2013 - 4002545902 - MA SMARTSENS PH 1590 R02 en
4.1.2 Calibration with HART
®
Handheld 475 FIELD COMMUNICATOR
Manual hold
• Start the function calibration
calibration
calibration
calibration in menu mode Quick Setup
Quick Setup
Quick Setup
Quick Setup or Setup
Setup
Setup
Setup.
• Activate the function manual hold
manual hold
manual hold
manual hold to avoid an alarm.
• Select Yes
Yes
Yes
Yes.
• Press Enter
Enter
Enter
Enter to proceed.
Temperature compensation
• Set the temperature compensation
temperature compensation
temperature compensation
temperature compensation for calibration.
• Select between automatic
automatic
automatic
automatic or manual
manual
manual
manual.
i
If you have selected manual temperature compensation
manual temperature compensation
manual temperature compensation
manual temperature compensation, please enter the temperature of
the pH buffer solution. Default setting: 25°C / 77°F.
• Press Enter
Enter
Enter
Enter to proceed.
Start calibration procedure
• Dip the sensor into the first pH buffer solution 1 and wait till the value is stable.
• Press Ok
Ok
Ok
Ok to proceed.
i
The measurement of pH buffer solution 1
pH buffer solution 1
pH 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
Status buffer detection → Finished
Value indentified buffer
• Press Ok
Ok
Ok
Ok to confirm the identified pH buffer solution. If neccessary change the value of the pH
buffer solution manually.
• Press Enter
Enter
Enter
Enter to proceed.
i
If the sensor does not recognise the pH buffer solution the messages
Identified buffer
Identified buffer
Identified buffer
Identified buffer → 0 pH
0 pH
0 pH
0 pH and Buffer not recognised
Buffer not recognised
Buffer not recognised
Buffer not recognised appear.
• Press Ok
Ok
Ok
Ok to proceed.
i
Enter the value of the pH buffer solution manually.
• Press Enter
Enter
Enter
Enter to proceed with the calibration procedure.
• Clean the sensor with demineralised water 2.
Figure 4-2: Calibration procedure
.book Page 20 Wednesday, October 30, 2013 11:35 AM