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Vincenzo
Guest
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 Posted: Mon Nov 21, 2005 7:36 pm Post subject: Calibration prcedure |
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Can I calibrate another time in the future the TC-08 or I have to send it to You every time i need the calibration?
Is the calibration also inside a software routine?
I read that driver provides for cold junction compensation. What means? |
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Sarah
Guest
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| Posted: Tue Nov 22, 2005 9:57 am Post subject: |
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Hi
Thank you for your post.
Thermocouples by nature need to be referenced. The reading they give is referenced to a "cold junction" in order to calculate the temperature. In many traditional setups this is a junction kept at 0 degC, thus the name cold junction. In our units this is in fact a thermistor inside the unit. All calculations are made referenced to this.
Calibration does need to be done here by us as we program the calibration data into the unit.
Hope this helps
Best Regards |
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EE-DK
User
Joined: 12 Dec 2006
Posts: 2
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| Posted: Fri Dec 22, 2006 1:19 pm Post subject: Cold junction |
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| Sarah wrote: | Thermocouples by nature need to be referenced. The reading they give is referenced to a "cold junction" in order to calculate the temperature. In many traditional setups this is a junction kept at 0 degC, thus the name cold junction. In our units this is in fact a thermistor inside the unit. All calculations are made referenced to this.
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Does that mean theTC-08 unit needs to be kept at a stable exactly temperature point during measurements or will any fluction (+/- 2 deg. C)measured at the cold junction channel also influence on the 8 thermocouple inputs readings? |
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Sarah
Guest
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| Posted: Thu Jan 18, 2007 3:11 pm Post subject: |
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Hi
Thank you for your post.
Yes the TC-08 unit itself should be kept in a stable temperature to ensure more accurate readings. The probes obviously can be in any temperature within their range.
Best Regards |
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