Endress+Hauser Liquisys M CCM223, Operating Instructions Manual

Page: 73 / 124

Liquisys M CCM223/253 Commissioning
Hauser 73
C14
Calibration status is
displayed
o. k.
E xxx
C15
Store calibration
result?
yes
no
new
If C14 = E xxx, then no or new .
If new, then return to C.
If yes/no, then return to "Measurement".
C(2)
Function group
CALIBRATION:
Calibrate pH
pH
C21
Enter calibration
temperature
25.0 °C
0 to 50 °C
This field is only used for registration of
the calibration temperature. Input not
imperative.
C22
Enter pH value of
first buffer solution
Buffer value of previous
calibration
pH 3.50 to 9.50
Press the ENTER key to display the
current measuring value.
Press the ENTER key again as soon as the
measuring value has approximated the
buffer value.
C23
Calibration takes
place
Stability control:
Adopt if stability
 pH ±0.05 for more
than 10 s.
C24
Enter pH value of
second buffer
solution
Buffer value of previous
calibration
pH 3.50 to 9.50
Buffer 2 must have a different value than
buffer 1. Plausibility check takes place.
Press the ENTER key and proceed as in
field C22.
C25
Calibration takes
place
Stability control:
Adopt if stability

pH ±0.05 for more
than 10 s.
C26
Display slope
59.16 mV/pH
38.00 to 65.00 mV/pH
Coding Field Selection or range
(factory settings bold) Display Info
C14
Status
o.k.
C15
Store
yes
C
CALIBRAT
pH
C21
¡C
MTC - Temp
25.0
C22
pH
Buffer 1
7.00
C23
pH
Buffer 1
7.00
C24
pH
Buffer 2
4.00
C25
pH
Buffer 2
4.00
C26
mV/pH
Slope
59.16