Temperature Measurement


Temperature signal conditioning of non-linear devices

December 2003 Temperature Measurement

Most temperature transducers have non-linear functions in relation to temperature. The physical properties that we use to derive the temperature reading are rarely linear. To use these in a control system or even for simple readout one linearises the physical property to the temperature scale.

The common transducers used for temperature are normally signal conditioned to standard instrumentation signals eg, 4 to 20 mA. However, one often encounters devices that are not commonly catered for. An example is an optical pyrometer.

Omniflex has released a programmable transmitter with the facility to linearise signals to suit specific applications. Simple (and free) PC-based software is used to implement the lineariser function and downloaded to the universal programmable transmitter using a programming cable.

The illustration shows graphically the input signal and required output.

Typical applications would include:

* Optical pyrometers.

* Thermisters.

* Exotic thermocouples or RTDs.

* Tank level in cylinders using level probes.

* Reverse acting controllers.

* Signal inversion 4 to 20 m A to 20 to 4 mA.

* Special response curves.

For more information contact Ian Loudon, Omniflex, 031 207 7466, [email protected], www.omniflex.com



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

No power, no coverage, no problem
Omniflex Remote Monitoring Specialists Industrial Wireless
Remote monitoring expert, Omniflex has delivered a remote monitoring and control solution for an impressed current cathodic protection control system, aiding local authorities in Queensland, Australia in the essential maintenance of roadside culverts.

Read more...
Smart ICCP monitoring for safer tank storage
Omniflex Remote Monitoring Specialists Industrial Wireless
Cathodic protection is critical for combatting corrosion in oil and gas infrastructure. Omniflex explores how to manage CP systems in hazardous and hard-to-reach areas.

Read more...
When SCADA meets the cloud
Omniflex Remote Monitoring Specialists SCADA/HMI
Engineers are faced with the challenge of unifying legacy SCADA systems with modern, IoT-based data platforms. The trouble is, when hardware from multiple manufacturers and generations are all used in the same system, compatibility becomes an issue

Read more...
Safety-critical fibre optic systems in mining
Omniflex Remote Monitoring Specialists Enclosures, Cabling & Connectors
Omniflex highlights the importance of fibre optic technology in in enabling systems in the mining industry to transmit shutdown commands reliably over tens of kilometres and verify that they have been executed.

Read more...
The keys to successful nuclear decommissioning
Omniflex Remote Monitoring Specialists Industrial Wireless
Remote monitoring specialist, Omniflex has published its latest sector overview exploring the challenges of maintaining critical alarm visibility and radiation monitoring during nuclear decommissioning.

Read more...
Infrared solutions for glass manufacturing challenges
Instrotech Temperature Measurement
In the glass industry, infrared temperature monitoring is crucial for maintaining product quality and process efficiency. Instrotech has infrared sensors and cameras which provide non-contact temperature measurements, making them ideal for these high-temperature environments.

Read more...
Upgrading radiological surveillance systems in nuclear facilities
Omniflex Remote Monitoring Specialists Fieldbus & Industrial Networking
Nuclear plant operators face an uncomfortable reality. Many of the control and monitoring systems still in use today were never designed to support the full operational lifespan of the facilities they serve.

Read more...
Wireless radiation monitoring for nuclear defence facilities
Omniflex Remote Monitoring Specialists Industrial Wireless
Gary Bradshaw, director of radiation monitoring specialist Omniflex, discusses why sitewide radiation and alarm monitoring remains one of the most complex challenges in defence environments, and how experience-led system design is critical to maintaining safety and resilience over the long term.

Read more...
Decarbonising a heat and power plant
Valmet South Africa Temperature Measurement
Valmet is delivering a boiler fuel conversion for a combined heat and power plant in Poland. After modernisation, coal will be replaced entirely with certified forest biomass supplied by local providers.

Read more...
Remote water monitoring
Omniflex Remote Monitoring Specialists Industrial Wireless
Remote monitoring specialist, Omniflex has helped New South Wales Ports improve its ability to track water usage by installing remote monitoring to 38 water meters at its Port Kembla site, sending the data to the NSWPorts web portal.

Read more...









While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved