Question & Answers
Is the pressure reading still there after removing the tire valve?
After about 10 to 20 uses, the needle goes back to zero when removing it from the valve stem.
I will avoid it if it's made in China.
Is it possible that you're on Amazon looking to avoid products made in China?
Is it possible to use this on a Presta valve on a bicycle?
You need a Presta to Schrader adapter to use this on a Presta valve.
Can you give me a copy of the certification and which grade it gets?
It appears to meet Grade A, but if that's still not good enough, then maybe this isn't for you.
Does this gauge work on bicycles, golf cart, and car tires?
It will give you an accurate reading between 0 and 60psi, which should cover most of what you asked about.