Pressure Measurement & Control


Latest Articles

Handheld manometer featuring high accuracies
August 2002, Instrotech
The Blue Line series of digital handheld manometers have been designed to provide high accuracy measurements of pressure, vacuum and differential pressure gases. Instrotech supplies this Afriso unit ...

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Technical terms used when specifying pressure transducers
July 2002, WIKA Instruments
This article looks at the data it is customary to quote in technical descriptions of pressure sensors, pressure transducers and pressure measuring converters

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Expert hygienic pressure measurement
July 2002, Endress+Hauser South Africa
The hygienic pressure sensor CerabarM, in particular, fulfils all criteria for use in pharmaceutical plants.

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Pressure switches suitable for up to 1 MPa
July 2002
SMC offers a wide range of pressure sensors for general use on pneumatic systems as well as for fluids compatible with SUS304 and SUS630. These include remote, digital, and mechanical type switches for ...

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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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