wtw Avantor VWR pH 1100 L Operating Manual page 38

Operation
38
is automatically finished with the measurement of buffer solution 1 and
the calibration record is displayed.
1 In the measured value display, select the measured parameter
pH or mV with
2 Start the calibration with
The calibration display for the first buffer appears (voltage dis-
play).
pH
-180.0
24.8 °C
AutoCal TEC
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
-180.0
24.8 °C
AutoCal TEC
AR
15.03.2014
08:00
7 Wait for the end of the measurement with stability control or
accept the calibration value with
<MODE>
.
<CAL>
.
1
Buffer
mV
>
.
<OK>
10.000
Buffer
mV
<OK>
pH 1100 L
.
.
ba77068d05 05/2021