Analytical Instrumentation & Environmental Monitoring


Latest Articles

White water pH in the pulp and paper industry
March 2000, PREI Instrumentation
Background During the paper making process, pulp stock is continuously sprayed onto the moving woven mesh brass or bonze cloth screen at the rear section of the headbox. This forms a pulp stock sheet ...

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Small, advanced head-mount transmitter
March 2000, Temperature Controls
Temperature Controls says that its Mp 82700 is the industry's smallest, most advanced 2-wire head-mounting µP-based transmitter. Able to fit in a small, standard connection head, it is easily programmed ...

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Detection of contamination from heavey metals and organic contaminants
March 2000
Water contamination can take many forms, therefore the broader the range of contaminants detected, the better the chances are of ensuring uninterrupted plant operation and biomass protection. Traditional ...

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Universal diaphragm actuator for individual control and regulating functions
March 2000, Valve & Automation
Even in the electronic age many industrial sectors make effective use of diaphragm actuators with pneumatic or electro-pneumatic positioners as standard actuators. Short floating speed and high control ...

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Krohne wins major water treatment analyser order
March 2000, KROHNE
Eskom recently undertook to upgrade Duvha power station just outside Witbank. This project which encompasses the upgrade of the demineralisation plant was awarded to ABB Automation. The on-line liquid ...

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Measurements in chlorine dioxide bleaching used in pulp mills
March 2000, Automation Control Solutions
Bleaching is a whitening process that is used in the paper industry to produce paper with high brightness. Chemicals – such as chlorine gas (C), sodium hypochlorite (H), oxygen (O), hydrogen peroxide ...

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Colorimeter for water and wastewater analysis
March 2000
The Smart colorimeter from LaMotte, is specially designed for the analysis of a variety of water quality parameters. Up to 74 tests, 40 preprogrammed and 34 user-selectable are available in the unit's ...

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A solution to those tricky pH measurements
March 2000, Temperature Controls
A new series of pH and redox sensors designed for rugged service in dip or in-line service has been added to the LTH range. The reference cell features a double junction design for extended service life ...

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New intelligent electropneumatic valve
March 2000
Fairchild Industrial Products recently introduced the high flow, high pressure, intelligent electropneumatic valve model T7900. The unit comes in a number of pressure control ranges between 10 and 1000 ...

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Particle Analysis goes on-line
Feb 2000
New on-line measuring instruments provide direct feedback to affect cost savings and ensure consistant high quality product.

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Frequency measuring transducer for frequencies up to 120kHz
Feb 2000
The invariably adjustable frequency measuring transducer MCR-f/UI-DC from Phoenix Contact is suitable for frequencies up to 120 kHz. Inventory costs are lowered thanks to this flexibility because the ...

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Maximum coverage for gas hazard monitoring
Feb 2000, Spero Sensors & Instrumentation
The Oldham MX21 Plus multigas detector is a portable multigas monitor which can detect up to four gases simultaneously and is capable of monitoring a range of explosive and toxic gases plus oxygen according ...

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New Moisture analyser
Feb 2000
Ametek has introduced the Model 2850, a new moisture analyser particularly suited for monitoring process desiccant dryers, instrument air dryers, or air separators, as well as for industrial gas production ...

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New pocket Multigas detector type
Feb 2000, Spero Sensors & Instrumentation
A monitor so small and lightweight that most of the time you will not even know that you are wearing it - that is what Oldham had in mind when the MX2000 pocket multigas detector was designed. The MX2000 ...

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Detection of contamination from heavey metals and organic contaminants
Feb 2000
Water contamination can take many forms, therefore the broader the range of contaminants detected, the better the chances are of ensuring uninterrupted plant operation and biomass protection. Traditional ...

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New CNC machine for local industrial valve manufacturer
Feb 2000
An additional CNC machining centre is being installed at Mitech's production facility. The machine is an Okuma MX-40HA horizontal-boring machine and comes equipped with twin pallet changer, ...

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Mecahnical proximity switches
Feb 2000
Due to present day production and strict quality requirements of control and automation, plant and equipment has to be fitted with modern and sophisticated proximity switches. Steinecker mechanical proximity ...

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Rugged valve position monitors
Feb 2000, Switches International
The Puck valve position monitors from Switches International are constructed of materials suited for indoor applications. The resin enclosures (4X, IS) are rated UL flame 940VO and are specially pigmented ...

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Training courses for proffesional 'hands-on'learning
Feb 2000, Festo South Africa
As an independent neutral training body with over R1,5 million invested in equipment for hands-on use by trainees, Festo Didactic is offering specialised industrial control systems training courses. The ...

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low cost connection for up to 30 HART field devices via a single Maxiflex HART module
Feb 2000, Omniflex Remote Monitoring Specialists
For the vast number of HART enabled smart devices now installed in plants around the world, Omniflex has developed a network interface module (NIM) which enables either two analog loops or 30 digital ...

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