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M1421 Temperature Probe Calibration Reference

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briannez
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Joined: July 11th, 2011, 1:39 pm
Country: Canada

M1421 Temperature Probe Calibration Reference

Post by briannez » July 11th, 2011, 2:02 pm

Hi there. We have a temperature probe model M1421 currently deployed at Project Neptune (University of Victoria). I am trying to compile some metadata about this probe but cannot seem to find the appropriate information. What I am looking to find out is the scale of reference this temperature probe is calibrated for. Is this probe referenced to the ITS-90 scale or IPTS-68 or some other reference scale? If someone could help me answer this question I would really appreciate it.

Nathan S
Keithley Applications
Keithley Applications
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Joined: February 28th, 2011, 6:17 am
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Re: M1421 Temperature Probe Calibration Reference

Post by Nathan S » July 11th, 2011, 2:14 pm

The M1421 has been obsolete for 8 years, but I was able to dig up some data that may be of assistance.

RTD Type: alpha = 0.00392, 100Ohm @ 0 degrees C.

The user manual that contains calibration information is located at the link below. I hope this can provide you with enough data to answer your question.

http://www.keithley.com/support/data?asset=13208

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