The sensor on the first one didn't work at all so I ordered a replacement which didn't work either. Two in a row didn't make sense, so upon closer inspection I found that both had a dented faceplate that was blocking the needle. Removed the front panel, works perfectly. The main issue was of course the incredibly thin metal used in this cheap pressure gauge, but it was a cheap instrument and now it works great.
Works but hose is leaking. I ordered a replacement, the replacement hose flows worse than the first. All factory pinch hoses leak, so make sure you put the bottle down or buy another hose. I might try a third one, but given the track record, I can assume they're all licking. In the long run, this can end up wasting more argon than it was worth saving a few bucks on a cheap regulator. It might be wiser to just buy a better one from the start.
When I got home and saw my box it wasn't crushed or there was no mark on the box but when I opened it my 11- Pound wire 0.25 was on top regulator I pulled it out and saw the tank gauge was broken like they had thrown a wire over the top of the regulator. I think it would be a good product but they broke it before I could use or test it. They had to refund me my Revain gift card money but who knows we'll see if they can do it. .