Manual, Single- And Two-Point Calibration (Ph Only) - ABB AX416 User Manual

Single and Dual Input Analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468

4.1.5 Manual, Single- and Two-Point Calibration (pH Only)

Man
1-Pt
-----
A: Buffer Method
20. 0 Deg.C
A:Set Buf. Temp.
4. 0 0 pH
Deg.C
25. 0
A: Immerse Buf.1
pH
4. 0 1
175 mV
Press button
when stable
4. 0 1 pH
A: Cal. Accepted
pH
4. 0 1
A: Cal. Buffer 1
Yes
-----
A: Abort Cal.
IM/AX4PH Issue 9
Sensor A: Buffer Method (pH probes only)
Select the type of manual calibration required:
Man 1-Pt -Manual, single-point calibration
Man 2-Pt-Manual, two-point calibration
Set Buffer Temperature
(or
Deg.C Deg.F
and
temperature (-20 to150ºC or -4 to 302ºF).
Note. If
A: Buffer Method
buffers.
Calibrate Buffer
Immerse Sensor A in the buffer solution.
and
pH Adjust
keys to set the displayed pH value to the temperature-corrected pH value of the
chosen solution (see the datasheet provided with the solution).
Press the
Note. To abort calibration, press the
complete - see below.
Measured pH value from the last successful calibration.
Measured sensor output in milivolts.
When the measured sensor output stabilizes, press the
calibration.
is shown for 2 seconds to confirm that the calibration has been
Cal. Accepted
accepted, the display then advances automatically to the next frame.
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.
selected - return to the main menu.
A: SENSOR CAL. Yes
selected - calibration continues.
A: Immerse Buf.2 No
) and Adjust are shown alternately on the center display line. Use the
keys to adjust the displayed temperature value to the required buffer
is set to , the temperature selected is used for both
Man 2-Pt
or Calibrate Buffer 1
(Single-Point Calibration)
are shown alternately on the upper display line. Use the
key to initiate calibration.
(Two-Point Calibration)
key again at any time before calibration is
key to accept the
4 SETUP
and
25