ABB AX400 Series User Manual page 26

Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468
A: Buffer Method
Auto 2-Pt
9. 1 8
pH
20. 0
Deg.C
A: Immerse Buf.2
128
mV
#### 100% ####
4. 0 1
pH
A: Cal. Buffer 2
A: Buffer Method
Auto 1-Pt
-----
Passed
A: Calibration
100. 0
%
7. 0 0
pH
A: Slope & Check
Sensor Cal. A
24
Calibrate Buffer 2 (Two-Point Calibration only)
Immerse Sensor A in the second buffer solution.
Press the
Note. To abort calibration, press the
complete – see previous page.
The center display line shows the measured sensor output in millivolts.
As calibration proceeds, a progress indicator appears in the lower display line. When
the measured
##### 100 % #####.
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.
Calibration Message
See Table 4.1 for details of calibration messages.
Slope Value
% slope value.
A value between the programmed minimum % slope value (see
CONFIG. SENSORS
these limits, check the electrode system.
pH check value.
Displayed as an additional indication of electrode system condition; 7 ph is the
optimum value for glass electrodes and 0 ph for Antimony electrodes.
Sensor B (dual input analyzers only) calibration is identical to Sensor A calibration.
Sensor Cal. B
for Sensor B (dual input analyzers only) set to
Probe Type
SENSOR CAL.
set to
Cals. No
Alter Sec. Code
SECURITY CODE
Alter Sec. Code
CONFIG. DISPLAY
key to initiate calibration.
sensor output stabilizes,
page – Section 5.3) and 105 % is displayed. If the value is outside
(Section 5.3) – return to top of page.
not set to zero (Section 5.8) – see Section 5.1, page 28.
set to zero (Section 5.8) – see Section 5.2, page 29.
key again at any time before calibration is
the lower display
Set Min Slope
or
Redox ORP
IM/AX4PH Rev. P
4 Setup
line shows
in the
and
Enable