Check calibration configuration in KurtSPC. Low gain setting may cause a low resolution level and account for unstable readings in desired measurement range
Check probe cables for proper connection and grounding
Probe may be defective - check and replace in necessary
Module(s) may be damaged or defective - check and replace if necessary
For further assistance please contact Kurt Electronics technical support at or check www.kurtelectronics.com for updated troubleshooting information, software updates and other problem fixes.