Quote: (Originally Posted by
Nad)

N@90 holder should be better. With the Inspiration 4th cell adaptor the readings are sometime a bit fanny. Probably because of the position. This is why I never used it.
Just pendant and a VR3 CCR. That's it.
Nad
Agreed. Also, O2-flush three times when calibrating the VR£ in an Inspo - it seems to help.
For the original poster, if he hasn't bought a Pursuit yet: If the cell seems to be playing up, try calibrating in a plastic bag of O2 - easier to guarantee 100% O2 for testing.