Martin,
I just requested 2 new Pasco sensors for evaluation, a new 1,000,000 sample p/sec high speed voltage and current logger and a digital counter (Logic Level) which can log both count, pulse width and pulse period. I'll add these to the review and post some info about them. Also, when you couple these with the software suite, there is an insane amount of math, logic, scientific, statistical and programmable functionality. It is truly amazing! Talk to you soon!