Analytical Instrumentation & Environmental Monitoring


Latest Articles

Continuous opacity or dust monitor
November 2003
Durag's D-R 290 monitor is designed for continuous opacity or dust monitoring of flue gas in stacks and ductwork. It is suitable for systems firing coal, fuel oil or a mixture of fuels, in converter plants, ...

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Free chlorine, chlorine dioxide and ozone measuring cells
November 2003
Jumo's membrane-covered, amperometric measuring cells are used to determine the concentration of free chlorine, chlorine dioxide or ozone in aqueous solutions (such as in drinking or pool water as well ...

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Portable toxic gas detector
November 2003, Spero Sensors & Instrumentation
From Oldham France, the RX500 portable toxic gas detector is designed for the monitoring of CO, H2S. Areas of application include light industry, processing plants, petrochemical and the pulp and paper ...

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Flue gas oxygen analyser with built-in diagnostics
November 2003
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 use ...

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Saving energy and chemicals
October 2003, Endress+Hauser South Africa
Analytic instrumentation can be used to significantly reduce energy consumption on sewage treatment plants, thereby also achieving cost savings. In all sewage treatment facilities, there are many dissolved ...

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Chemically inert water/wastewater sampler
October 2003, Endress+Hauser South Africa, Industrial (Industry)
Operating on the peristaltic pump principle, Endress + Hauser's Liqui-Port 2000 portable sampler can be used in any water or wastewater application where sampling is required, drawing between 20 ml and ...

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Fast response from process moisture analyser
October 2003
Ametek's Model 3050-OLV Process Moisture Analyser uses a fundamentally different technology to measure moisture. It measures trace levels of moisture in a gas through the use of a quartz-crystal oscillator ...

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Radiation monitoring in industry
September 2003
"The presence of uranium and/or thorium in many of the South African ore deposits, causes a significant amount of metal scrap from mining and minerals processing operations to be contaminated with naturally occurring radioactivity."

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Stack gas analyser for hot/wet analysis
September 2003, Infrastructure
Ametek's 910 mass emission analyser uses the 920 stack gas analyser for the analysis of SO2. It maintains the sample above the water dew point and analyses on a hot/wet basis. An important fact is that ...

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Range of field gas detectors
August 2003, Spero Sensors & Instrumentation, Products & Solutions
The Captex and CEX 800 detectors are meant for small size applications. The most widely used detector type CEX 810 AD is a three-wire bridge signal, housed in a flame-proof enclosure. For high temperatures ...

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Versatile modular radio network keeps cost of environmental monitoring under control
August 2003
With its Versanet low power radio network, Radio Data Technology (RDT) is aiming to bring the benefits of low cost communications to a wider range of environmental monitoring and analysis applications. The ...

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Explosion-proof field analyser for gas measurements
August 2003, Siemens South Africa, Transport (Industry)
The Calomat 6 gas analyser from Siemens Automation and Drives (A&D) for continuous measurement of hydrogen and inert gases is also available in an IP65 field version. This has been specially designed ...

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Multigas analyser
July 2003
Ametek's Model 922 multigas analyser is a 19" rack-mounted unit that can be integrated into CEM systems, or used alone for a variety of gas monitoring applications. Up to five different gas types can ...

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Electrodes for high pH measurements
July 2003, PREI Instrumentation, Asset Management, Products & Solutions
There is no glass formulation currently available that has zero sodium ion error (alkaline error). Since there will be some error, it is important that the error be constant and reproducible. With many ...

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Cap lamp-mounted CO warning device
July 2003, Spero Sensors & Instrumentation
Since its release in 1993 more than 12 000 of Spero's Toxalarms have been sold into the mining industry. Spero is proud of its 10 years in the field, and believes that the device has become the 'de-facto' ...

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Electrochemical gas sensors
July 2003, Products & Solutions
e2v technologies has introduced a new range of electrochemical gas sensors. Available in two sizes, the sensors are designed for the measurement of oxygen, carbon monoxide and hydrogen sulphide, together ...

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Loop-powered transmitters
July 2003, PREI Instrumentation
GLI has produced a series of inexpensive loop-powered indicating transmitters, available from PREI Instrumentation. They have been designed for either pH/ORP, conductivity (contacting ...

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Environmental management monitoring and interlocking system
July 2003, Spero Sensors & Instrumentation
Sperosens has delivered and installed more than 150 of its MM100 methane and water interlocking systems for mechanical miners since the system was introduced during 1975. The system has been approved ...

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Portable universal power analyser
July 2003, Timecount
The UPM6001 Universal Power Meter, available from Timecount, is a compact, portable analyser for measuring electrical parameters on single, two and three phase systems, as well as on DC systems. Measuring ...

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Beta gauge particulate monitor
July 2003
Verewa's F-701 beta gauge particulate monitor determines particulate concentration by measuring the amount of radiation a sample absorbs when exposed to a radioactive source. In general, the more energy ...

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