Endress+Hauser Liquisys M CCM223 - Page 82

Commissioning Liquisys M CCM223/253
82 Endress+Hauser
Coding Field Range of
adjustment
(factory
settings in
bold)
Display Info
C13 Slope is displayed 100 %
Minimum 25%
(3%)
Maximum
500%
C13
%
Slope
100
A0002422-EN
Minimum permitted slope:
• For CCS140/141 with pH
compensation and for
CCS240/241: 25%
• For CCS120/140/141 without
pH compensation and for
sensor 963: 3%
C14 Calibration status
is displayed
o. k.
E xxx
C14
Status
o.k.
A0002423-EN
C15 Store calibration
result
Yes
No
New
C15
Store
yes
A0002424-EN
If C14 = E xxx, then only No or
New. If New, then return to C.
If Yes/No, then return to
"Measurement".
C(2)
CALIBRATION
function group:
pH calibration
pH
C
CALIBRAT
pH
A0002418-EN
C21 Calibration status
is displayed
25 °C
0 to 50 °C
C21
¡C
MTC-Temp
25.0
A0002425-EN
This field is only for recording
the calibration temperature. An
entry must not be made.
C22 Enter pH value of
the first buffer
solution
Buffer value of
the last
calibration
pH 3.50 to 9.50
C22
pH
Buffer 1
7.00
A0002427-EN
Press the ENTER key to display
the current measured value.
Press the ENTER key again as
soon as the measured value has
adjusted to the buffer value.
C23 Calibration is
performed
C23
pH
Buffer 1
7.00
A0002428-EN
Stability check:
The value is accepted if the
stability level is ≤pH ±0.05 for
more than 10 seconds.
C24 Enter pH value of
the second buffer
solution
Buffer value of
the last
calibration
pH 3.50 to 9.50
C24
pH
Buffer 2
4.00
A0002429-EN
Buffer 2 must have a different
value to buffer 1. A plausibility
check is performed.
Press the ENTER key and
proceed as in field C22.
C25 Calibration is
performed
C25
pH
Buffer 2
4.00
A0002430-EN
Stability check:
The value is accepted if the
stability level is ≤pH ±0.05 for
more than 10 seconds.