HomeGrown007
420 Member
Ok I keep getting this 0-9 or 0-3 etc. reading that i cant find anything about what it means.. I know that when it reads 340ppm thats 340 parts per million... I also know when it reads 105 x10 thats 1050 parts per million.. But what the hell does this 0 - # x10 mean?
See pics
See pics