Baumer MAT Steel Case Pressure Gauge Black painted steel pressure gauges from Baumer. The gauges have a Kostil (technolpolymer) dial with easy to read black graduations and number on a white back ground (100mm versions have a ABS plastic dial). Gauges are manufcatured to conform to EN 837-1 and are available with a bottom or back connection. Features and Benefits • Knife edge black aluminium pointer • IP32 rated • Cupreous metal Bourdon tube • Welded tube connection assembly • Brass connection with 14 mm square • Class 2.5 • 40, 50, 63mm and 100mm gauge diameters available Applications • Compressed gases • Lubricating circuits • Hot or cold water networks • Water distribution