Ultra-Sonic Ranger - GH-311RT DATASHEET?

Hi,

I just read your post about the datasheet saying that input voltage should be 6 to 12V.
The PNG sensor works on 5V and I tried your sensor on arduino 5V as per the sketches I had seen so far and not knowing your sensor needed a higher voltage.

It seems to work with 5V, but can you confirm that 5V is insufficient and that I should really look at giving it at least 6V?

Thanks,
Marc