ABB AX400 Series User Manual

Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468 2 Operation
6 IM/AX4PH Rev. P
2.3 Operating Page
2.3.1 Single Input pH
Measured Values
pH.
Temperature.
Measured Millivolts
Millivolts.
% Slope and pH Check Value
% slope value.
A value between the programmed minimum % slope value (see
Set Min Slope – see
Section 5.3, page 30) and 105% is displayed. If the value is outside these limits, check
the electrode system.
pH check value (zero point).
Displayed as an additional indication of pH electrode system condition; 7 pH is the
optimum value for glass electrodes and 0 ph for Antimony electrodes.
See Section 3.1, page 12.
See Section 4.1, page 19.
A3: Type set to Wash (Section 5.5) – see Section 2.3.6, page 11.
A3: Type not set to Wash (Section 5.5) – return to top of page.
Monitoring pH
7.00
pH
24.4
Deg.C
Monitoring pH
Millivolts
404
mV
A: Slope & Check
100.0
%
7.00
pH
VIEW SETPOINTS
SENSOR CAL.
Wash Function

ABB AX400 Series Specifications

General

Display	LCD with backlight
Output	4 to 20 mA, HART
Process connection	Flanged
Lining material	PTFE, PFA
Electrode material	Stainless steel, titanium
Communication	HART