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...4.1 Sensor Calibration
4.1.4 Automatic, Single- and Two-Point Calibration (pH Only)
Auto
-----
1-Pt
A: Buffer Method
4. 0 0
pH
25. 0
Deg.C
A: Immerse Buf.1
175
mV
#### 100% ####
4. 0 1
pH
A: Cal. Buffer 1
-----
Yes
A: Abort Cal.
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Sensor A: Buffer Method (pH probes only)
Select the type of automatic calibration required:
Auto 1-Pt
– Automatic, single-point calibration
Auto 2-Pt
– Automatic, two-point calibration
Calibrate Buffer
Immerse Sensor A in the buffer solution.
Press the
key to initiate calibration.
Note. To abort calibration, press the
complete – see below.
The center display line shows the measured sensor output in millivolts.
As calibration procedes, a progress indicator appears in the lower display line. When the
measured sensor output stabilizes, the lower display line shows
The display then changes for 2 seconds to show the temperature-corrected buffer value in
the upper display line, then advances automatically to the next frame.
Two-point calibration selected – continued on next page.
A: Immerse Buf.2
Single-point calibration selected – continued on next page.
A: Calibration
Abort Calibration
Select Yes or No.
Yes
A: SENSOR CAL.
No
A: Immerse Buf.2
M
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Table 4.1 Calibration Messages
or Calibrate Buffer 1
(Single-Point Calibration)
selected – return to the main menu.
selected – calibration continues.
E
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p
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(Two-Point Calibration)
key again at any time before calibration is
##### 100% #####
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4 SETUP...
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23
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