
5.10.2 Numeric calibration
With the numeric calibration you can enter or correct slope and zero point manually.
Coding Field
Selection or range
Factory setting (bold)
Display Info
N
Funktionsgruppe
NUMERIC
CALIBRATION
N1
Enter reference
temperature
25 °C
-50.0 ... 150.0 °C
N2 Enter slope
Glass 59.18 mV/pH
38.00 ... 65.00 mV/pH
Antimony 59.18 mV/pH
25.00 ... 65.00 mV/pH
IsFET 59.18 mV/pH
38.00 ... 65.00 mV/pH
If A5 = IsFET: Enter slope from
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
If A5 = IsFET: Enter voltage U
IS
from quality certificate
N4
Calibration status
is displayed
o.k.
N
NUMERIC
25°C N1
T°C Ref
59.18 N2
mv/pH
Slope
7.00 N3
pH
Zero
o.k. N4
pH
Status
Factory settings are printed in bold face;
base version does not include functions in
italic.
PM253E5B.CHP
Liquisys M CPM 223 / 253 Instrument configuration
Endress+Hauser 57
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