11/2022 – 4009097302 - QS SMARTPAT PH R02 en
3
3 Calibration
Calibration with PACTware
TM
(download free of charge on KROHNE.com) e.g. with OPTIBRIDGE
1
Manual hold
select Menu mode
Quick Setup
or
Setup
/ start
calibration
/ activate
manual hold
/
select
yes
/ press
Next
2
Temperature
compensation
set
temperature compensation
/ select
automatic
or
manual
(for
manual
enter
temperature of pH buffer solution; default setting: 25°C (77°F) / press
Next
3
Start calibration
procedure
dip sensor into first solution
①
/ wait for stable value / press
Next
/ after
≈
10 sec.
pH-
,
temperature-
and
identified buffer values
appear / press
Next
/ if
necessary, change pH buffer solution value manually / if
buffer not recognised
appears press
Next
and enter pH value of buffer solution manually / press
Next
/ clean
sensor with demineralised water
②
dip sensor into second solution
③
/ wait for st
able value / press
Next
/ after
≈
10 sec.
pH-
,
temperature-
and
identified buffer values
appear / press
Next
/ if necessary,
change pH buffer solution value manually / if
buffer not recognised
appears press
Next
and enter pH value of buffer solution manuall
y / press
Next
/ clean sensor with
demineralised water
②
4
After successful
calibration
the following values appear:
Buffer solution 1
,
Buffer solution 2
,
Offset [mV]
,
Slope [mV/pH]
press
Next
/ set calibration date DD-MM-YYYY / set calibration time
HH-MM-SS
/ press
Next
/
Save values?
/ select
yes
/ press
Next
/ select
no
to
deactivate
manual hold
/ press
Next
to leave calibration menu
5
After unsuccessful
calibration
message
Warning! Offset out of range!
appears behind the value
Offset
and/or
the message
Warning! Slope out of range!
behind the value
Slope
. In case the
value of the slope is not plausible, additionally the message
No saving possible
appears.
Calibration with HART Handheld 475 FIELD COMMUNICATOR
1
Manual hold
select Menu mode
Quick Setup
or
Setup
/ start
calibration
/ activate
manual
hold
/ select
yes
/ press
Enter
2
Temperature
compensation
set
temperature compensation
/ select
automatic
or
manual
(for
manual
enter
temperature of pH buffer solution; default setting: 25°C (77°F) / press
Enter
3
Start calibration
procedure
dip sensor into first solution
①
/ wait for stable value / press
Ok
/ after
≈
10 sec.
pH-
,
temperature-
,
Status buffer detection
➔
Finished
and
identified buffer value
appear / press
Ok
/ if necessary, change pH buffer solution value manually / press
Enter
/ if
identified buffer
➔
0 pH
and
Buffer not recognised
appear press
Ok
and enter pH value of buffer so
lution manually / press
Enter
/ clean sensor with
demineralised water
②
dip sensor into second solution
③
/ wait for stable value / press
Ok
/ after
≈
10 sec.
pH-
,
temperature-
,
Status buffer detection
➔
Finished
and
identified buffer
value
appear / press
Ok
/ if necessary, change pH buffer solution value manually /
press
Enter
/ if
identified buffer
➔
0 pH
and
Buffer not recognised
appear press
Ok
and enter pH value of buffer solution manually / press
Enter
/ clean sensor with
demineralised water
②
4
After successful
calibration
the following values appear:
Buffer solution 1
,
Buffer solution 2
,
Offset [mV]
,
Slope [mV/pH]
Press
Ok
/ set calibration date
DD-MM-YYYY
with key
>
/ press
Enter
/ press
Ok
/
Save values?
/ select
yes
/ press
Enter
/ select “
no
” to deactivate “
manual hold
” /
press
Enter
to leave calibration menu
5
After unsuccessful
calibration
message
Warning!
appears behind the values
Offset
and/or
Slope
.
If the message
Attention! Slope out of range!
appears, no data can be saved.
Calibration with SMARTMAC 400
1
Manual hold
select Menu mode
PAT sensor
/ select
Calibration
/ select
Two point calibration
/
All outputs on hold?
/ select
Yes
or
No
/ press
Enter
2
Temperature
compensation
Temperature comp.
/ select
Automatic
or
Manual
(for
Manual
enter temperature
of pH buffer solution; default setting: 25°C (77°F)
) / press
Enter
3
Start calibration
procedure
Buffer solution 1
(e.g. 7.00 pH)
/ dip sensor into buffer solution
①
/ wait for stable
value / press
Enter
/
Set buffer solution 1
(
if necessary, change pH value of used
buffer solution manually
) / press
Enter
/ clean sensor with demineralised water
②
Buffer solution 2
(e.g. 4.00 pH)
/ dip sensor into buffer solution
③
/ wait for stable
value / press
Enter
/
Set buffer solution 2
(
if necessary, change pH value of used
buffer solution manually
) / press
Enter
/ clean sensor with demineralised water
②
4
After successful
calibration
the following
is displayed:
Calibration parameter
Slope: .….. [mV/pH]
Offset: …… [mV]
Calibration ok
(if
Slope in warning Range
is displayed, the calibration can be
stored, but it is recommended to
check the buffer solutions and to
repeat the
procedure)
Press
Enter
/ select
yes
/ press
Enter
/
Set calibration date
YYYY-MM-DD /
press
Enter /
Primary value .… pH
and
All outputs on hold?
/
select
Yes
or
No /
press
Enter
/
Calibration successful /
press
Enter
several times
5
After unsuccessful
calibration
the following is displaye
d:
Calibration parameter
Slope: ..… [mV/pH]
Offset: ..… [mV]
Slope out of range
/
press
Enter
/
Primary value .… pH
and
All outputs on
hold?
/ select
Yes
or
No
/ press
Enter
/
Calibration aborted /
press
Enter
several
times
