pH value
TruLab pH/ISE 1320
34
ba76161e01
08/2015
6.2.4 Manual calibration (ConCal)
Make sure that in the sensor menu,
Buffer
menu, the
ConCal
buffer set is
selected (see section 9.1.1 S
Use any one to five buffer solutions in ascending or descending order.
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.
If single-point calibration was set in the menu, the calibration proce-
dure is automatically finished with the measurement of buffer solu-
tion 1 and the calibration record is displayed.
1.
Connect the pH electrode to the meter.
The pH measuring window is displayed.
2.
Keep the buffer solutions ready.
When measuring without temperature sensor:
Temper the buffer solutions or measure the current temperature.
3.
In the measured value display, select the measured parameter pH or mV
with
<M>
.
4.
Start the calibration with
<CAL>
.
The calibration display appears.
5.
Thoroughly rinse the electrode with deionized water.
6.
Immerse the electrode in the first buffer solution.
7.
When measuring without temperature sensor:
Enter the temperature of the buffer with
<
><
>
.
8.
Start the measurement with
<ENTER>
.
The measured value is checked for stability (stability control). The [AR]
status indicator is displayed. A progress bar is displayed and the display
of the measured parameter flashes.
pH
0.0
24.8
°C
ConCal
1
12.12.2012
12:12
Buffer
mV
Содержание YSI pH/ISE 1320P
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