Users have to know what is really happening with C6HDR2000, that super-overpriced colorimeter (3x times more expensive).
Please read from that post until the end of the thread:https://www.avsforum.com/threads/c6-hdr2000-colorimeter-from-spectracal.2896137/post-58386760
It's not only the fake/invalid meter certifications, the marketing people responsible for that idea earn some extra money from people who are aware of how the meter works; they don't have the knowledge to write a proper 'fake' paper without errors.
They are using a reference Spectro with an expired calibration date to generate these fake/invalid NIST certifications. https://www.avsforum.com/threads/c6-hdr2000-colorimeter-from-spectracal.2896137/post-60124571
Any i1Display PRO can't be certified by any company.
The meter has only some additional meter tables, and it's not more accurate.
NIST cert is a joke, and people have to complain to NIST for this.
The additional tables are based on factory meter calibration to work.
The meter factory calibration is the same for all i1Display PRO, even if it's OEM / Retail / branded custom labeled OEM.