02-11-2020 11:43 AM
Hello,
I am wondering if it is possible to use the PXIe-4331 for RTD measurement.
If so, what bridge configuration should I use? Is the Quarter Bridge circuit, figure 2-4 in the user manual appropriate?
Thanks
Solved! Go to Solution.
05-19-2020 02:24 AM
Hi, what type of RTD are you using?
12-14-2020 09:12 AM
Hi Gevor,
I am responding to this for other users and have since found out that the 4331 in theory could be used to measure RTDs. ( I was using a PT1000, 1kohm RTD), but found out that it doesn't have nearly the dynamic range to measure resistance over the 100 ohm to 1kohm range I needed.
I wound up using a four wire DMM module to measure the resistance directly. I read that using a bridge to read an RTD hasn't been done since the time of D'Arsonval movements and the dawn of modern high resolution DMMs.