wtw inoLab Multi 9310 IDS Operating Manual page 35

®
inoLab Multi 9310 IDS
Continuing with
three- to five-point
calibration
ba75937e10 08/2021
17. Set the nominal buffer value for the measured temperature with
< >< >
 
.
18. Accept the calibration value with
The calibration display for the next buffer appears (voltage display).
19. If necessary, finish the calibration procedure as a two-point calibration
<M>
with .
The calibration record is displayed.
20. Thoroughly rinse the sensor with deionized water.
21. Immerse the sensor in the next buffer solution.
22. When measuring without temperature sensor:
Enter the temperature of the buffer with
23. Start the measurement with
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parameter flashes.
24. Wait for the end of the measurement with stability control (beep,
[HOLD][AR] status indicator), or take over the calibrated value with
<ENTER>
.
The pH value of the buffer solution is displayed.
pH
9.958
ConCal
01.07.2011
25. Set the nominal buffer value for the measured temperature with
< >< >
 
.
26. Accept the calibration value with
The calibration display for the next buffer appears (voltage display).
27. If necessary, use
The calibration record is displayed.
or
Continue calibrating using the next buffer with
After the fifth buffer has been measured the calibration is automat-
ically finished. Then the calibration record is displayed.
The calibration line is determined by linear regression.
<ENTER>
<ENTER>
3
Buffer
24.8
°C
08:00
<ENTER>
<M>
to finish the calibration.
.
< >< >
  .
.
.
<ENTER>
.
pH value
35