Dissolved Oxygen Analyzers

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

• Single / Dual Input Analyzers
• Single Input Analyzers
• Dissolved Oxygen Monitor Systems

Single/Dual Input Analyzers

	AX480	AX488	AX468
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Input 1	ppm DO2	ppm DO2	pH / ORP
Input 2		ppm DO2	ppm DO2
Mounting	Panel, Wall, Pipe	Panel, Wall, Pipe	Panel, Wall, Pipe
Power Supply	4-wire AC & 24 V DC	4-wire AC & 24 V DC	4-wire AC & 24 V 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	FM / CSA Class 1 Div 2 (Pending)	FM / CSA Class 1 Div 2 (Pending)	FM / CSA Class 1 Div 2 (Pending)
Communication	PROFIBUS DP MODBUS (pending)	PROFIBUS DP MODBUS (pending)	PROFIBUS DP MODBUS (pending)

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	9438
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Monitoring system comprising a flow-through sensor and panel- or wall- / pipe- mount instrument	Complete packaged monitoring system comprising a liquid-handling section with sensor, a solenoid valve power supply unit and a panel- or wall- / pipe-mount instrument