09-20-2017 06:22 PM
Hello.
I have a question concerning the accuracy specification of the NI-9217. Curious if NI or someone else has more detailed information about the accuracy specifications. The specification for the NI-9217 states for a 3 wire configuration (which is quite good):
Measured Value Ambient 25C Ambient -40C to 70C 20C to 30C
-200C to 150C 0.20C 0.5C ???
Interested if NI possibly has a graph/data that might suggest what the accuracy might be in a laboratory temperature environment. Would be an additional column to the datasheet 🙂
Thanks
Dan
Not really a problem. Just curious if NI can provide more accuracy information. The NI-9217 datasheet specifies:
For measured value -200C to 150C
Typical 25C: Accuracy 0.2C
Maximum -40C to 70C: Accuracy 05C
In our applications, the NI-9217 will be used in a Lab enviorenment that will be typically 20C to 30C and are measuring ranges between 0C and 100C. Is there possibly a graph that can be disclosed that shows accuracy over different ambient temperatures?
Thanks
Dan
09-21-2017 02:16 PM
Hi Dan,
I do not think that we have a graph with the data for different ambient temperature, but from what your description implies (ambient temperature of 20-30C measuring 0-100C) the accuracy should be pretty close to 0.2C. The slight fluctuations in the ambient temperature should not effect the accuracy enormously 🙂 .
NI 9217 Datasheet (page 5): http://www.ni.com/pdf/manuals/374187a_02.pdf
Hopefully this helps!
09-22-2017 11:43 AM
Maura:
Thanks for the information. I agree that with minimal ambient temperature change the accuracy should be similar to the typical 25C. Was just looking for some data to back up that thought.
Dan