Analytical Instrumentation & Environmental Monitoring


Latest Articles

New process pressure transmitter series
April 2000, VEGA Controls SA
The further improved high purity aluminium oxide ceramic diaphragm Certec measuring cell is used in the new Vegabar 40–44 Series. The instruments are the optimum solution for pressure measurement of ...

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Bioluminescent toxicity screening system
April 2000
BioOrbit's BioTox bioluminescent toxicity screening system is based on Vibrio fischeri. It supplies all the hardware to begin screening water soluble samples such as factory effluent, plus fresh water, ...

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Versatile motor drives
April 2000, Omron Electronics
The range of Omron motion control products from Yelland span from simple micro drives through high-performance flux vector inverters to servo and positioning modules in one unit. These are linked with ...

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Jet engine test facilityreplaces custom-built hardware with open architecture, PC-based control system
April 2000
The Pratt and Whitney production test facility in Middletown, Connecticut, tests approximately 100 jet engines per month, round the clock, every day of the year. Some of the engines tested are newly manufactured, ...

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Enterprise technology solutions
April 2000
Yokogawa's enterprise technology solutions is an advanced Yokogawa concept for integrated control, automation, monitoring and supervisory computer systems. Yokogawa in Europe executes major control automation ...

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Self-cleaning dissolved oxygen system
April 2000, PREI Instrumentation
The new membrane dissolved oxygen (D.O.) system from Great Lakes Instruments incorporates a sensor with a simple rechargeable cartridge membrane assembly, an air-blast self-cleaning system and an analyser ...

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Metering device offers flexibilty, predictive metering and energy information
April 2000
CHI Control, an ISO-9001 listed company, has represented Cutler-Hammer USA as sole distributor of low and medium voltage motor control equipment for industrial markets throughout sub-Saharan Africa for ...

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Monitor/event-recorder that protects machinery
April 2000
OmniWatch mounts into a panel and features a backlit LCD operator interface with intelligent soft-key controls for programming and interrogation. One of the differentiating features is the use of plug-in ...

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The Spero Group- ground breaking example of defence expertise spin off
March 2000, Spero Sensors & Instrumentation
The Spero group is yet another example of true South African entrepreneurship and innovation, and through sheer tenacity they endured the birth pains in an era where venture capital financing was unknown.

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A guide to cableless scada communication
March 2000
It will come as no surprise to the systems design engineer that the cost of installing process signal cables in scada systems can be a major portion of the total project cost. The 'connectivity' of modern ...

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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, Protea Automation Solutions
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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