Endress+Hauser Liquisys M CPM253 User Manual

Liquisys M CPM223/253 Commissioning
Endress+Hauser 77
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 to 150.0° C
N2 Enter slope
Glass: 59.16 mV/pH
38.00 to 65.00 mV/pH
Antimony: 59.16 mV/pH
25.00 to 65.00 mV/pH
ISFET: 59.16 mV/pH
38.00 to 65.00 mV/pH
For A4 = ISFET: enter the slope from the
quality certificate.
N3 Enter zero point
Glass: 7.00 pH
5.00 to 9.00 pH
Antimony: 1.00 pH
-1.00 to 3.00 pH
ISFET: 0mV
-500 to +500 mV
For A4 = ISFET: enter the voltage U
IS
from the quality certificate.
N4
Calibration status is
displayed
Display:
o.k. or error code
Press CAL.
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

Endress+Hauser Liquisys M CPM253 Specifications

General

Brand	Endress+Hauser
Model	Liquisys M CPM253
Category	Transmitter
Language	English