Dissolved Oxygen Analyzers

4-wire instruments used for measurement of ppm levels. Employed with 9408 Series sensing systems.


Single/Dual Input Analyzers
AX480
AX488
AX468
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Image from Data Sheet on white backgroundImage from Data Sheet on white background Image from Data Sheet on white background
Input 1
ppm DO2
ppm DO2

pH/ORP
Input 2
ppm DO2

ppm DO2
Mounting
Panel, Wall, Pipe
Panel, Wall, Pipe
Panel, Wall, Pipe
Application
4-wire AC & 24V DC
4-wire AC & 24V DC
4-wire AC & 24V DC
Current outputs
2 or 4
2 or 4
2 or 4
Relays
3 or 5
3 or 5
3 or 5
Cleaning function
Included
Included
Included
Hazardous
Approval
Atex Type N (pending)
FM/CSA
Class 1 Div 2
(Pending)
Atex Type N (pending)
FM/CSA
Class 1 Div 2
(Pending)
Atex Type N
(pending)
FM/CSA
Class 1 Div 2
(Pending)
Communication PROFIBUS DP
Modbus (pending)		PROFIBUS DP
Modbus (pending)		PROFIBUS DP
Modbus (pending)



Single Input Analyzers
4640
4642
4645
4647
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Input 1
ppm DO2

ppm DO2
ppm DO2
ppm DO2
Input 2
-
-
-
-
Control
On/Off
On/Off
On/Off
On/Off
Application
4-wire AC
4-wire AC
4-wire AC
4-wire AC
Mounting
Wall, Pipe
Wall, Pipe
Panel
Panel
Water Wash
No
Yes
No
Yes


Dissolved Oxygen Monitor Systems
For both low and high-level ppb measurements in steam-raising and desalination plants and semiconductor water treatment, the 9437 and 9438 Series monitoring systems are highly recommended.
9437 Thumbnail
9438 Thumbnail
Monitoring system comprising a flow-through sensor and panel- or wall-/pipe- mount instrumentComplete packaged monitoring system comprising a liquid-handling section with sensor, a solenoid valve power supply unit and a panel- or wall-/pipe-mount instrument.

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ABB contact for

United Kingdom
Sales: Matthew French
Service: Neil Ritchie