Hi Lee,
Careful, you don't want to get on the wrong side of Geoff, although his bark is sometimes worse than his bite!
I will take issue with a couple of points though. "The first stand alone company that started calibration and testing in the UK" and "been established for 9 years". We've been doing it for 12 years and I can name a few were around long before that.
I do agree with Mike re changing parts as per manufacturers guidelines, manuals etc. They are specified for a reason (invariably patient/user safety) and to do otherwise does not seem logical especially when you read other posts concerning registration and liability (the hot topic of the month). Testing on it's own seems like half a job if the unit is not serviced first even in basic equipment e.g a nebulisers output flow and pressure will change when the inlet filter is replaced.
Anyway good luck and hopefully Geoff will re enter for round three.
Ed
