wtw Avantor VWR pH 1100 L Operating Manual page 41

pH 1100 L
ba77068d05 05/2021
1 In the measured value display, select the measured parameter
<MODE>
pH or mV with
2 Start the calibration with
The calibration display appears.
pH
0.0
24.8 °C
AnyCal
15.03.2014
08:00
3 Thoroughly rinse the electrode with deionized water.
4 Immerse the electrode in buffer solution 1.
5 When measuring without temperature sensor:
Measure the temperature of the buffer manually and enter it
< >< >
 
with
6 Start the measurement with
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parame-
ter flashes.
pH
0.0
24.8 °C
AnyCal
AR
15.03.2014
08:00
7 Wait for the end of the measurement with stability control or
accept the calibration value with
.
<CAL>
.
1
Buffer
mV
.
<OK>
.
7.000
Buffer
mV
<OK>
Operation
.
41