Pressure Measurement & Control


Latest Articles

How compressed air nozzles work
May 2002
Air nozzles use the coanda effect to amplify compressed airflow 25 times or more. As illustrated on the right, compressed air (black arrows) is ejected through a thin ring nozzle on the outer perimeter. ...

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Intrinsically safe pressure transmitters meet ATEX demands
March 2002, Transducer Technology
Transducer Technology, sole agent for Gems Sensors, has introduced the 22IS and 26IS intrinsically safe pressure transmitters to meet the demands of the new ATEX directives, which become mandatory in ...

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Intelligent transmitter with digital indication
February 2002, Instrotech
The Leo 3 is a digital pressure indicator designed for permanent installation. It is a combination 2 wire 4-20 mA transmitter with programmable dual local indication of pressure in selectable units: (bar, ...

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An alternative to liquid filled pressure gauges
February 2002, Rhomberg Instruments 2006
Rhomberg claims to have developed an industry breakthrough in pressure gauges with the new process pressure gauge 'Xtra'. Already welcomed by customers demanding a steady pointer and longer life in tough ...

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Pressure measurement - the art of specialisation
January 2002
Endress+Hauser now offer some of the most specialised instrumentation available

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Digital control valve for preset loading control
January 2002
The Smith 210 Digital Control Valve, supplied by DLM in southern Africa, ensures accurate control of fluids used in the petrochemical industry. This is done electronically, and is typically used in conjunction ...

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Electronic alternative to the mechanical pressure switch
January 2002
IFM Electronic's new PP type pressure sensors are suitable for both hydraulic and pneumatic systems. The sensors can be adapted to suit the application requirements by simply adding the programming module, ...

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Range of water industry related sensors
January 2002
IFM Electronic has now developed an extensive range of flow, pressure, level and position sensors to meet the stringent demands of today's water industry. All sensors in the range use the latest solid-state ...

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Pressure sensors with high overload protection
January 2002
IFM Electronic's new PN 7060 series of pressure sensors feature high overload protection and are able to measure pressures up to 60 MPa (600 bar). They are particularly suited for oil or water hydraulic ...

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Unique manometers
December 2001
In this age of high-tech instrumentation, Meriam manometers have many advantages owing to their inherent accuracy and simplicity. Manometers are unique in being both pressure measurement instruments and ...

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Pressure regulator selection criteria
November 2001
Careful selection of gas regulators can greatly assist towards achieving optimum plant performance and hence improving bottom line profitability

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Economical pressure transmitter
October 2001, Honeywell ACS South Africa
Honeywell first offered the ST 2000 pressure transmitter earlier this year as a direct replacement for conventional analog transmitters and indicators. It provides an economical yet powerful complement ...

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Pressure measurement technology in hygienic and sterile environments
July 2001
The pressure transmitters have additional features like full vacuum resistance, 100-fold overload resistance of 1 MPa (10 bar) in a measuring range of 10 kPa (0,1 bar), integrated self-monitoring of electronics and measuring cell, and measuring precision better than 0,1%

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Jewels for pressure measurement
July 2001
Sapphire ceramic represents an ideal symbiosis of single crystal sapphire (with its excellent corrosion resistance) and fine-grained sintered ceramic (with its optimal mechanical properties)

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Improving pipe thermal maintenance performance with bolt-on jacketing
July 2001
In very hot processes requiring frequent replacement of valves, pumps, and meters, bolt-on solutions can cut spares costs by up to 50%

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Motor position drive with Profibus-DP interface
July 2001, Instrotech
Instrotech's Siko range has been extended to include a new motor position drive with Profibus-DP interface as option to program all parameters, settings and target values. RS232 interface is also available. A ...

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Advanced diagnostics for Fieldbus pressure transmitter now available
July 2001
The Rosemount Model 3051 Advanced Diagnostics is now available from Alpret Control Specialists. Advanced Diagnostics, a new feature to the Foundation Fieldbus version of the Model 3051, includes plugged ...

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Range of protection products
July 2001, ABB South Africa
ABB offers a fully comprehensive range of protection solutions covering the entire scope of protection and substation automation needs.    The scope of solutions includes:    * Feeder, transformer, reactor ...

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Programmable pressure sensors
June 2001, Turck Banner
Turck now produces a complete new line of fully programmable pressure sensors - reliable, solid-state devices available with a variety of options to fill many pressure analysis applications. The robust ...

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Pressure transmitters with DESINA conformity
June 2001
The new pressure transmitter SD-10 from Wika complies with the DESINA concept and provides considerable economic benefits, especially for machine tool building applications. The new pressure transmitter ...

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