Suunto SM36 Pressure Gauge These extremely compact tank pressure gauges with a phosphorescent dial faces incorporate a safety-pin-type tube & a gear mechanism, which provide outstanding accuracy & durability. The pressure gauge can also be fitted in a console. The SM-36 pressure gauge is suitable for 300 bar tanks (360 bar max display). Outstanding build quality, reliability & accuracy Easy-to-read display even in demanding conditions Suitable for tanks with pressure up to 300bar