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1. PICTURE
 
 
 
 
2. FEATURE
 
Designed for marine steam boiler installations, the AQ300 accurately monitors the boiler and feed water conditions. It injects exactly the required amount of chemicals and provides auto surface blow down control. It keeps the entire plant within the desired chemical limits, 24 hours a day, regardless of load.

The units can be fitted with a mixture of pumps of pumps and programmed for different pressure boilers and water treatment chemicals.

The system includes pH, conductivity, dissolved oxygen, temperature probes, data comm.-unit with software, feed flow meters, auto blow down valves, test kit and dosing pumps c/w suction assemblies with low level alarm.

The software provides for continuous display of all important readings and pre-formatted ?Management Reports? provide a summary of average readings for any period requested. The unit can be linked to other AQUANET systems and all readings are displayed on one monitor. The system is pre-configured for each installation and a choice of coolers, pumps, flow meters and blow down valves are available depending on vessel requirements.
Installation can be carried out by the owners staff, sub-contractor, shipyard or AQUANET personnel.
 
 
Specifications
Dimensions (W) x (H) x (D) mm
 1240 x 2100 x 460
(assembled c/w chemical drums)
The instrumentation is housed in a split steel cabinet with hinged lockable doors
The left hand section constructed of stainless steel, houses the sampling system and probes
The right hand section houses signal conditioning, control and the communications interface.
  
Probes
pH :Range 0 - 14pH
Automatic temperature compensation
Sealed Reference cell
Resolution 0.5% FSD

Conductitv :Range 400uMhos
(other ranges available)
Automatic temperature compensation
Resolution 0.5% FSD

Dissolved Oxygen :Range 2.5 mg/l
Automatic temperature compensation
Resolution 0.5% FSD

Feed Temperature
Stainless steel pocketed probe
0-160?C scaled as 4-20 mA signal
 Flowmeters
Mechanical to suit pipe work.
OR
Ultrasonic Flow Meters (Non penetrating). Clamps onto outside of existing pipe work.
Transducer maximum operating temperature 200?C

Blowdown Valves
Mechanically operated to 32 bar
Or
Pneumatic, Rated 100 bar to suit application

Chemical dosing pumps
Air operated 2.1 litre/hr max 500 bar (max) stainless steel
Electrically operated diaphragm pump1 litre/hr into 16 bar (max)
Additional standard features
Flushing water system with flow monitoring.
Dosing pump manual speed control
Dosing pump vent system, returns chemical to drum (No spillage)
Fuse failure alarms
Auto probe calibration on the unit