Operation – KROHNE SMARTSENS ORP 1590 EN User Manual
Page 18
4
OPERATION
18
SMARTSENS ORP 1590
www.krohne.com
11/2013 - 4002547102 - MA SMARTSENS ORP 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.
Start calibration procedure
• Set value of ORP solution; Default setting: 468 mV. Press the key >>>> to enter the submenu. Now
you can change the default setting.
• Press Enter
Enter
Enter
Enter and Ok
Ok
Ok
Ok to proceed.
• Dip the sensor into the ORP solution and wait till the value is stable.
• Press Ok
Ok
Ok
Ok to proceed.
i
The measurement of ORP solution starts. After approx.10 seconds and a successful
calibration the following values appear:
Old ORP value in mV
ORP solution in mV
Electrode voltage in mV
New offset in mV
New ORP value in mV
• Press Ok
Ok
Ok
Ok to proceed.
• Set the calibration date with DD-MM-YYYY. Press the key >>>> to enter the submenu. Now you can
change the calibration date .
• Press Enter
Enter
Enter
Enter and Ok
Ok
Ok
Ok to proceed.
i
The message Save values?
Save values?
Save values?
Save values? appear.
• Press yes
yes
yes
yes to save the values.
• Press Enter
Enter
Enter
Enter to proceed.
• Select no
no
no
no to deactivate the function manual hold.
• Press Enter
Enter
Enter
Enter to leave the calibration menu.
A ORP calibration is necessary in regular intervals or when installing a new ORP sensor.
If the calibration was not successful, the message Warning!!!
Warning!!!
Warning!!!
Warning!!! appears behind the value New
New
New
New
offset
offset
offset
offset.
• Press Ok
Ok
Ok
Ok to proceed.
• Set the calibration date with DD-MM-YYYY. Press the key >>>> to enter the submenu. Now you can
change the calibration date .
• Press Enter
Enter
Enter
Enter and Ok
Ok
Ok
Ok to proceed.
i
The messages Warning!!! Offset out of range!
Warning!!! Offset out of range!
Warning!!! Offset out of range!
Warning!!! Offset out of range! and Save values?
Save values?
Save values?
Save values? appear.
• Select betweenyes
yes
yes
yes or no
no
no
no.
CAUTION!
Make sure that the sensor tip is clean and dust-free. If necessary, clean the tip as described on
page 20.
CAUTION!
Moisture inside the sensor connector must be avoided! Moisture may cause a shortcut and
deliver erratic readings!
If moisture has entered the connector dry it with air (e.g. hair blower).
.book Page 18 Wednesday, October 30, 2013 11:26 AM