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PT 100 instead of k-type

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PT 100 instead of k-type

Postby Christof Erban » Thu Feb 24, 2011 9:40 pm

Hi,

is it possible to connect a foil pt100 such as the JUMO PF 90.6023 (data sheet attached) instead of a k type thermocouple to the TC 08. This sensor is very thin and provides an areal sensoring rather than a local reading?

Is there a interface available that can provide the signal adaptation?

Thanks in advance for your assistance.

Christof
Attachments
Jumo 90.6023gb.pdf
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Christof Erban
 

Re: PT 100 instead of k-type

Postby ziko » Fri Feb 25, 2011 2:53 pm

No it will not work, you really need a dedicated logger for PT100. The TC-08 is used to measure inputs from thermocouples. Thermocouples give a change in voltage with temperature, a PT100 sensor is a resistance device.

You need a device like the PT104 which is designed to work for PT100/PT1000 sensors:

http://www.picotech.com/pt100.html

Hope this helps.
Ziko

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Re: PT 100 instead of k-type

Postby Christof Erban » Mon Mar 14, 2011 7:36 pm

Hi Ziko,

thanks for the answer. I was afraid of that. I do own a TC 08 and my sensors are PT100. So I need to make up my mind and find out which is easier to change. The TC08 or the sensors.

Thanks again

Christof
Christof Erban
 

Re: PT 100 instead of k-type

Postby ziko » Tue Mar 15, 2011 10:30 am

To make things easier (or more difficult!) is accuracy important to you and what is your temperature range?

Kind regards
Ziko

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