I decided to invest in a flow meter so that the gas is used more economically. Got this one :- http://www.r-techwelding.co.uk/Welding_Consumables/Gas_Regulators_Flow_Meters but the connections do not seem compatible with those on the Oxyturbo Mini regulator supplied with my MIG 160TM. Do I have to get a full size gauge or is there an adapter I can use. Will the gas pipe to the torch actually fit a full size regulator?