Liquisys M CPM223/253
Operation
Hauser
69
Numeric calibration
During numerical calibration, the slope and zero point can be corrected manually.
Coding
Field
Setting range
(Factory settings, bold)
Display
Info
N
NUMERIC
CALIBRATION
function group
N1
Enter reference
temperature
25.0 °C
-50.0 ... 150.0 °C
N2
Enter slope
Glass:
59.16 mV/pH
38.00 ... 65.00 mV/pH
Antimony:
59.16 mV/pH
25.00 ... 65.00 mV/pH
ISFET:
59.16 mV/pH
38.00 ... 65.00 mV/pH
For A4 = ISFET: enter the slope from the
quality certificate.
N3
Enter zero point
Glass:
7.00 pH
5.00 ... 9.00 pH
Antimony:
1.00 pH
-1.00 ... 3.00 pH
ISFET:
0 mV
-500 ... +500 mV
For A4 = ISFET: enter the voltage U
IS
from
the quality certificate.
N4
Calibration status is
displayed
o.k.
E xxx
N5
Store calibration
result?
yes
no
new
N
NUMERIC
N1
T°C Ref
25°C
N2
mv/pH
Slope
59.16
N3
pH
Zero
7.00
N4
pH
Status
o.k.
N5
pH
Store
yes
