АлександрД
Contributor
and here Intermediate pressue gauge - Recognizing regulator problems you can find "small" manual for problems recognition by this gauge.Do you have a tank at home?
Do get an IP gauge, DGX has one that is very inexpensive (Compact IP Gauge (PSI and BAR)) and works great, but check with your LDS to see if they have something comparable as well.
_R
P.S. sorry for my English, I`d translated it by google, and made some corrections than.