Error: Device reading inconsistently or too high/low compared to returned HPLC lab results
Please see the article below for explanation on Why the Purpl Pro results don't always match the Lab's HPLC results.
https://purplscientific.freshdesk.com/a/solutions/articles/64000248712
The accuracy of the Purpl Pro for THC is +/- 2% and +/- 1% for CBD.
You'll want to be sure you are completing the advised sample prep and testing procedures accurately. See the articles below for advice.
Sample Grinding Recommended Procedures:
Sampling and Testing Recommended Procedures:
Please reach out to Tech Support at purplhelp.com by submitting a ticket if you have concerns with your device reading inconsistently or inaccurately.