Analytical Instrumentation & Environmental Monitoring


Latest Articles

Corrosion-resistant flanged ball valves
February 2003
Valvtechnologies' flanged ball valves feature a bubble tight shut-off to ANSI FCI 70-2, which is achieved with an integral downstream seat that is protected from the flow path. Manufactured to ISO 9001, ...

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Distance monitoring and controlling through GSM and GPRS technology
February 2003
Distance monitoring and controlling of systems has always posed cost and reliability problems. Wavecom's WISMO modules offer the solution through utilising GSM and GPRS technology. It is no longer necessary ...

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Dissolved oxygen meter stays accurate over decades
February 2003
It is the dream of any technician working on a high-accuracy plant, such as wastewater, to have instruments that are still accurate after 10 years of operation - even if it means having to manufacture ...

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Intelligent PC system monitoring card
February 2003
The PCL-752 from ProMicro is an intelligent PC system-monitoring card that is able to detect abnormal system operations and generate alarm outputs, allowing the user to take action before system failure. ...

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pH IsFET sensor reveals new niche applications
January 2003, Endress+Hauser South Africa
The device provides new measuring principles, as well as new applications, together with cost savings, and ease of operability

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New pH sensor design solves premature failure problem
January 2003, Temperature Controls
The DynaProbe is a pH sensor with a high temperature and pressure specification and a good resistance to contaminating ions

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Ionised air removes static and dust
January 2003
EXAIR's Ion Air Cannon neutralises static electricity and cleans at distances up to 4,6 m (15 feet) with no moving parts. It is ideal for those hard to reach spaces or confined areas that require a concentrated ...

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100+ portable gas detector
December 2002, PREI Instrumentation
International Sensor Technology (IST) has developed a sensor which is sensitive to over 100 toxic/combustible gases, and built it into a portable and easy-to-use instrument. The set-up and calibration ...

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

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Dual-channel opacity/dust concentration monitor
December 2002
The D-R281 AV from Durag, is a visible emission monitor opacity meter and/or dust concentration meter. It has been specifically designed to continuously detect both opacity and optical density levels ...

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Maintenance-free single gas detector
December 2002
MSA Africa has launched a new low-cost and maintenance-free single-gas detector, capable of rough handling in tough environments. Suitable for use in industries such as oil and gas, chemical, construction, ...

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Hazardous gas detection sensors and some terminology
November 2002, PREI Instrumentation
Selection of sensors and gas detection instrumentation is not a 'black art' - but is for the most part strictly applications orientated

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Accurate humidity measurements under extreme conditions
November 2002
With the development of the capacitive sensor, compact and portable instrumentation has been made possible

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Low-cost flue gas oxygen analyser with built-in diagnostics
November 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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Africa's leading water treatment plant
November 2002, Endress+Hauser South Africa
The first fully enclosed, totally automated water treatment plant in Africa has been completed and is now being operated successfully in Windhoek, Namibia. Selected by project managers DB Thermal of Johannesburg ...

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Portable infrared ambient air analyser
November 2002
The MIRAN sapphiRe Ambient Air Analyzer is one of the most versatile and powerful gas-detection systems on the market. It enables emergency response teams to identify and qualify hazardous spills and ...

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New technology dispels notions of costly pH sensors
November 2002, Endress+Hauser South Africa
Until recently, pH sensors have been considered costly to operate, as the electrode had to be regularly serviced, cleaned, calibrated and even replaced. A new generation automatic measuring point, introduced ...

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Monitoring of UV and IR flames
November 2002
Durag's D-UG 660 control unit, used in conjunction with the D-LE 603/103 flame sensors are ideal for monitoring UV and IR flames, even under difficult operating conditions. After start-up the control ...

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Free standalone DAQ software for a limited period
November 2002
For a limited period, Westplex will be giving away its standalone DATEX data logger and oscilloscope display and recording program with any Addi-Data or National Instruments analog input cards purchased ...

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Water quality monitor
October 2002, PREI Instrumentation
One of the best ways to quantify the quality of water is to use a continuous turbidity monitoring system. The GLI Accu 4 is the latest generation of turbidity monitoring equipment. By using a 4-beam method ...

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