Digital Multimeters (DMMs) and Precision DC Sources

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Should NI show external calibration temperature in MAX

We are trying to determine whether or not NI should continue displaying the external calibration device temperature (see screen shot below) in MAX.  Is the external calibration temperature useful information that you use to help make decisions, or is it confusing and probably should be removed.

 

I would appreciate any input on the manner.

 

Screen Shot 2013-10-12 at 7.18.48 AM.jpg

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Some devices have significant drift due to temperature changes, yet we only calibrate at a given temperature. Take the case of an NI-4071 DMM (7.5 digits of precision). If you calibrate at 40 degrees but you use at 50 degrees, you will want to re-calibrate at something closer to that even if the calibration is still valid time-wise.

 

So yes, I think there's value in displaying it, at least for some devices.

Marcos Kirsch
Chief Software Engineer
NI Driver Software
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