we are offering vaiseshika reference gauge. features analogue test gauges with standard din measuring ranges pressure medium fluids and gas media pressure connection g 38" male thread stainless steel casing, diameter 100 mm accuracy class 0.6 % fs -0.6...0 bar -1...5 bar 0...1 bar 0...10 bar 0...100 bar -1....0 bar -1....9 bar 0...1.6 bar 0...16 bar 0...160 bar -1....0.6 bar -1....15 bar 0....2.5 bar 0....25 bar 0....250 bar -1....1.5 bar -1....24 bar 0....4 bar 0....40 bar 0....400 bar -1....3 bar -1....0.6 bar 0....6 bar 0....60 bar 0....600 bar