100mm Diameter Dual-Scale Pressure and Vacuum Gauge A series of general purpose gauges, perfect for all gaseous and liquid media which does not destruct the pressure system or attack copper alloy parts. The bottom entry connection ensures a perfect fit with your design. Each model is encased with a highly durable stainless steel material making it perfect for your application. All models are highly reliable and excellent quality. Features & Benefits Instrument Glass Window Inbuilt restrictor screw Copper Alloy Element and Movement Stainless Steel case with G 3/8"" BSPM (32 mm flats) Bottom entry connection Ambient Operating Temperature between –20 and +60°C Operating Temperature (Medium) +60°C 1.6 Per DIN 16005 Accuracy Class