Need Air Speed Seensor

[IamScotticus]

Could you guys recommend a data logging air speed / flow sensor that is small and self contained that can be placed directly in front of a 7 coolant  radiator to measure airflow rates at speed?  

Data logging because I will probably send it to a volunteer to record the data. 

 

So why not just hold a meter out the window of my own car?  I suspect the airflow inside a 7 nose is not as linear as direct outside air.  I wish to establish a baseline airflow to simulate in my garage for  tuning.  I also suspect nose cone airflow to be surprisingly deficient requiring additional baffling for effective cooling.

As Lotus already accounted for on the S2s with the standard radiator air dam.  I don't know why Cat didn't continue the practice.

 

Anyway,  I don't have time to shop for this myself. Help!