Sorry "CF" is Correction Factor, not calibration.
As you know, for the benefit of others on the forum, the different correction factors can make a difference in HP
Even if it is the same dyno on the same day. Dyno jet has at least 5 different Correction Factors, Superflow had even more. The Dynojet one for the USA should be SAE, when you see STD, it means a higher HP reading.
For example on a Dynojet dyno using it without any correction factor, I ran a bike over a 24 hour period, same bike, never took it off the dyno, the HP changed 5 HP on a 150 HP motor, for different times in that 24 hours, what changed to alter the HP, was temp air density, Etc.
On the two inertia dynos I am familiar with, Dynojet and Superflow, you can add a Eddy Current Brake.
