Test and Measurement Forum


Which product is right for your exact requirements


Postby RAVICHANDRAN » Thu Feb 02, 2006 6:34 am

We are planning to use the tc's in the form of mesh with 5 nos. tc's, this mesh consisting of 5tc's will be fitted inside a duct to measure the temperature of air. we would like to have response time of tc's less than 10 milli seconds and the temperature range is 0-100deg.C. can you pls. whether your tc's can be to use and what type.


Postby RAVICHANDRAN » Thu Feb 02, 2006 6:42 am

The exact application will be air passed thro the duct is heated thro heaters of 11 Kw capacity and the 5 no. tc'are mounted on a wire mesh, the mesh will be in the form of a rectangle and fixed in between the duct to measure the air temperature. the 5 tempertures measured is averaged and taken to data logging for further processing.

Postby Michael » Fri Feb 03, 2006 2:04 pm


Thermocouple response rates vary greatly and cannot be guaranteed. For a response rate of 10ms, I fear it would be very difficult to do this. You may want to use some kind of optical measurement such as Infra Red imaging.

Our TC08 thermocouple data logger has a conversion time of 100ms per active channel plus 100ms for the cold junction compensation. This is obviously not fast enough for your application.

Best regards,
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