ABB AX400 Series User Manual

Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468 4Setup
22 IM/AX4PH Rev. P
4.1.3 Adjust Offset (Redox/ORP Only)
Calibrate Sensor A
Sensor B (dual input analyzers only) calibration is identical to Sensor A calibration.
Probe Type for Sensor B (dual input analyzers only) set to Redox or ORP and Enable
Cals.
set to No (Section 5.3) – return to top of page.
Alter Sec. Code not set to zero (Section 5.8) – see Section 5.1, page 28.
Alter Sec. Code set to zero (Section 5.8) – see Section 5.2, page 29.
Probe Type set to Redox or ORP (Section 5.3) – continued below.
Probe Type set to pH (Section 5.3) – see Section 4.1.1, page 19.
Adjust Offset (ORP/Redox probes only)
mV and Adjust are shown alternately on the upper display line. Use the and
keys to adjust the upper display line to the required offset value for the process.
The offset value is adjustable between –240 and +240 mV.
Sensor B (dual input analyzers only) calibration is identical to Sensor A calibration.
Probe Type for Sensor B (dual input analyzers only) set to Redox or ORP and Enable
Cals.
set to No (Section 5.3) – return to top of page.
Alter Sec. Code not set to zero (Section 5.8) – see Section 5.1, page 28.
Alter Sec. Code set to zero (Section 5.8) – see Section 5.2, page 29.
Sensor Cal. A
-----
A: Adjust Offset
407
mV
0
mV
A: Adjust Offset
A: Buffer Method
SECURITY CODE
CONFIG. DISPLAY
Sensor Cal. A
SECURITY CODE
CONFIG. DISPLAY
SENSOR CAL.
Sensor Cal. B
SENSOR CAL.
Sensor Cal. B

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