Analytical Instrumentation & Environmental Monitoring


Latest Articles

Personal monitor for four gases
March 2002
After 60 years of breakthroughs in gas detection and sensor technology, Riken has introduced what it believes is the smallest and most affordable 4-gas monitor in the world. The type GX-2001 weighs only ...

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Multigas monitor
March 2002, Spero Sensors & Instrumentation
The OLDHAM MX21 Plus multigas monitor is said to be the most versatile gas monitor available today, suitable for risk assessment, occupational hygiene and mine environmental control. The MX21 Plus is ...

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Hydrazine analyser
March 2002
The Thermox Model 7025 hydrazine analyser is an advanced analytical instrument for the precise measurement of the concentration of hydrazine (N2H4) in water. Continuous on-line analysis of hydrazine ...

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New CD ROM for natural gas applications
March 2002
A new CD-ROM is now available from Ametek Process Instruments that describes in detail its range of products for the natural gas industry. Valuable information about key issues in natural gas analysis ...

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Fume-free tunnels
March 2002, Temperature Controls
A growing application for Monitran's vibration sensors is in tunnel extraction systems, for the effective monitoring of fan performance. Recent installations include Monitran's MTN/1100C series accelerometers ...

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Multifunctional water monitor
March 2002
Honeywell is offering its Series 2000 industrial water monitor for chemical compounds - well suited for use in drinking water, surface water, wastewater, industrial water and process fluids. This multiparameter, ...

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Multi-input flow analysers
March 2002, PREI Instrumentation
Two models of the GLI flow monitor/totaliser, available from PREI Instrumentation, can simultaneously accept inputs from up to four flow sensors and provide the flow rate and totalised flow for each sensor. ...

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Seminars on PC-based control systems gain popularity
February 2002
National Instruments South Africa has just completed some highly successful seminars countrywide. The seminar entitled 'PC-based control and monitoring' was conducted in Cape Town, Port Elizabeth, Johannesburg ...

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Profiler 'sees' through tank walls
February 2002
A version of the Tracerco Profiler had already proved its accuracy and reliability on-shore in refinery vessels for a combined total of 20 years when the technology was applied to separator measurement ...

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Dart control valves for use in mines
February 2002
Mitech designs and manufactures its own dart valves in-house according to the specifications of the client. The plug and seat can be made from various materials but the most popular is polyurethane, which ...

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Optimising polymer dosage
February 2002, PREI Instrumentation
The streaming potential monitoring system (AccuStream) from GLI International, continuously measures electrical charge intensity, which indicates coagulant dosage in the treatment process. Use of this ...

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Textile pH and product consistency
February 2002, PREI Instrumentation
The purity and the colour tone of the textiles depend on the accurate measurement of the dye pH value. By controlling the pH value, undesirable reactions may be avoided and a highly defined product obtained. Azo-dyes ...

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Smart oxygen analyser
February 2002
The WDGIV/IQ smart oxygen analyser from Ametek Thermox is a close-coupled extractive oxygen analyser, which uses a zirconium oxide electrochemical cell for oxygen measurement. It is completely field serviceable, ...

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Microsoft SA to co-sponsor Wonderware's 2002 user group conference
January 2002
Futuristix-Wonderware's 10th User Conference (X-CHANGE 2002) will be held at Sun City from 10-13 March 2002. The conference, which promises to be the most successful yet, will be co-sponsored by Microsoft ...

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Flue gas oxygen analyser with built-in diagnostics
January 2002
The Thermox WDG 210/Insitu analyser is a cost-effective and durable flue gas oxygen analyser with built-in system diagnostics and over-temperature cell protection circuitry. Designed for continuous ...

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Self-cleaning DO sensor
January 2002, PREI Instrumentation
The new dissolved oxygen system from GLI International incorporates a sensor with a simple replaceable cartridge membrane, an air-blast self-cleaning assembly and a dual input analyser. The display is ...

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Process moisture analyser
January 2002
Ametek's Model 3050-OLV process moisture analyser measures trace levels of moisture in a gas through the use of a quartz-crystal oscillator sample cell. The analyser measures moisture concentration directly ...

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Monitoring water quality
January 2002, N&Z Instrumentation & Control
There is a simple, reliable and cost-effective way to measure and record quality of surface and ground water. The Troll probe measures up to nine parameters simultaneously. The unit offers a choice of ...

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Personal dosemeter claims majority of the market
January 2002
Within a two-year period, the reliable and easy-to-use EPD Mk2 Electronic Personal Dosemeter from Siemens Environmental Systems is said to have penetrated close to 80% of the South African nondestructive ...

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Fugitive emissions monitor
December 2001, Valve & Automation
Environmental concerns continue to impact upon chemical manufacturers and end-users. The control of fugitive emissions from industrial process equipment is a primary concern. The provision for early-warning ...

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