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pH value
Continuing with
three- to five-point
calibration
32
15.
If necessary, finish the calibration procedure as a two-point calibration
<M>
with
.
The calibration record is displayed.
16.
Thoroughly rinse the sensor with deionized water.
17.
Immerse the sensor in the next buffer solution.
18.
When measuring without temperature sensor:
Enter the temperature of the buffer with
19.
Start the measurement with
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parameter
flashes.
pH
180.0
AutoCal TEC
AR
01.07.2011
20.
Wait for the end of the measurement with stability control (beep,
[HOLD][AR] status indicator), or take over the calibrated value with
<ENTER>
.
The calibration display for the next buffer appears (voltage display).
21.
If necessary, use
The calibration record is displayed.
or
Switch to calibration with the next buffer with
Calibration is automatically completed after the last buffer of a buf-
fer set has been measured. Then the calibration record is dis-
played.
The calibration line is determined by linear regression.
5.2.5 Carrying out manual calibration (ConCal)
Make sure that, in the menu for measurement and calibration settings (in the
<ENTER>
menu pH/
/Calibration / Buffer) the buffer set ConCal is selected
(see section 10.1.1 S
ETTINGS FOR P
Use one to five buffer solutions in any order.
The pH values of the buffer solutions have to differ by at least one pH unit.
<ENTER>
4.010
Buffer
mV
24.8
°C
08:00
<M>
to finish the calibration.
H
MEASUREMENTS
®
inoLab
Multi 9310 IDS
<
><
>
.
.
<ENTER>
.
, page 69).
ba75937e10
08/2021
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