Dissolved Oxygen Analyzer Models 4640 & 4645 (incorporating Water Wash Versions 4642 & 4647) ■ Unique oxygen sensors – unrivalled reliable operation, long life and minimum maintenance ■ Sensor life indicator – indicates sensor performance ■ Second current output and Modbus™ communication – enables simultaneous retransmission of both dissolved oxygen and temperature ■ Comprehensive diagnostics facility with in-built software protection – ensures security and confidence in operation ■ Salinity and atmospheric pressure correction capability as standard – enhances the flexibility of application ■ Water-Wash option – minimizes maintenance whilst maintaining performance ■ IP66/NEMA4X – reliable operation in demanding environments ■ English, French, German and Spanish software – simple, user-selection of display language A high specification dissolved oxygen analyzer offering advanced functionality, simple operation and reliability in harsh environments Data Sheet SS/4640_9
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Dissolved Oxygen Analyzer
Models 4640 & 4645(incorporating Water Wash Versions 4642 & 4647)
Unique oxygen sensors– unrivalled reliable operation, long life and minimum
maintenance
Sensor life indicator– indicates sensor performance
Second current output and Modbus™communication– enables simultaneous retransmission of both
dissolved oxygen and temperature
Comprehensive diagnostics facility with in-builtsoftware protection– ensures security and confidence in operation
Salinity and atmospheric pressure correctioncapability as standard– enhances the flexibility of application
4640 Series Dissolved Oxygen AnalyzerThe ABB 4640 Series Dissolved Oxygen Analyzer comprises atransmitter and a sensing system to accurately and reliablymeasure and transmit the dissolved oxygen value in a range ofwater monitoring applications.
The 4640 Series Analyzer offers high performance andadvanced functionality in a compact, cost-effective package. Itis rugged and reliable for safe operation in harsh environments,simple to install and use, and requires minimum maintenance.
Sensor SystemTo meet your requirements there are a number of sensorsystems. The 9408 Series are available as a floating ball (whichcan also be ordered in a kit form for convenience) – primarilyused in sewage treatment and in three different lengths of dipsystem. To complete the capability a 76 Series flow system forin-line applications is also available. The key factor in all thesystems is the sensor capsule which is proven to have anunrivalled performance, for longevity, quality and reliability.
The 4600 Series Universal TransmitterThe 4600 Series Universal Transmitter provides the operatorinterface and communications to other devices. The signal fromthe sensing system is converted by the transmitter and theinformation is presented on a large, custom-designed, easy-to-read, back-lit liquid crystal display (LCD) as a dissolved oxygenvalue in percent saturation or ppm.
A process retransmission signal and two alarm relay outputs areprovided as standard, while an optional RS485 serial interfaceallows the transmitter to be easily incorporated into the ABBPC30 supervisory system.
Available in wall-mount or 1⁄4 DIN panel-mount versions thetransmitter is protected to IP66, ensuring reliable operation inthe most demanding situations. The same level of protection ismaintained during programming and calibration.
User Friendly OperationAn easy to read display is used in conjunction with the four tactilemembrane key pads to prompt the user through theprogramming procedures. Included as standard is a fivelanguage software package, to display information in one ofEnglish, French, German, Italian or Spanish languages.
Instrument Key Pads
Alarm LEDs
A1
A2
Advance toNext Page
Advance toNext Parameter
Select ParameterorAdjust Parameter Value
Easy Installation, Commissioning and MaintenanceThe compact panel- or wall-mount transmitter allows flexibleand easy installation. The unique LCD is easy to read in all lightconditions. Used in conjunction with the membrane key pad, itprompts the user through the set up procedure. Range, alarmlevels, set point adjustments and system calibration are easy toset.
Sensor Life IndicatorThis unique feature provides information on the sensor conditionand enables maximum use of the sensor before replacement.
Replacement is a simple operation that can be carried out in afew minutes.
Water-Wash OptionTo prevent fouling of the oxygen sensor, clean water is forcedthrough the system at user-configurable intervals. Maintenanceperiods can be extended significantly by using this feature,lowering the cost of ownership and optimizing performance.
Confidence in ServiceTo complement the well-proven design and unrivalled accuracyand reliability in service of the dissolved oxygen sensor, the entiresensing loop is regularly self monitored for short circuits andtemperature element faults. The instrument incorporates a non-volatile memory, eliminating the need for battery back-up, andline voltage supply filtering to minimize the effects of mains-borne interference.
9408-700*Floating ball system complete with supportarm, mounting bracket and all otheraccessories
9408-750*Floating ball kit comprising a complete9408-700 (metric) system minus the 3m (10ft) support arm, which can be obtained fromlocal stockists. Included within the kit is atube of suitable solvent cement which isused to secure the 3m (10 ft) support arm
9408- 760*Floating ball kit comprising a complete9408-700 (imperial) system minus the 3m(10 ft) support arm, which can be obtainedfrom local stockists. Included within the kit isa tube of suitable solvent cement which isused to secure the 3m (10 ft) support arm
*Note for Water Wash version:substitute ‘2’ for the last digit(i.e. 9408-702, 752 or 762)
Ordering InformationTo order a 4600 Dissolved Oxygen Analyzer select the Transmitter, Sensing System and Connecting Cables from the followinginformation.
Transmitter
SensorSelect the appropriate Sensor – see pages 6 and 7.
Connection CableSensor connection cable part no. 0233-828 – 10m (32.5ft) fitted as standard.
Maximum length 100m (325ft) via junction box (customer supply).
The 4600 Series transmitters are so user-friendly and easy to program they are normally supplied with standard factory settings. Ifspecific programming requirements are stated at the time of ordering, units can be despatched suitably customized.Please apply to the nearest ABB Instrumentation office for details.