Design EN 837-1 Nominal Size in mm 50, 63, 100 Accuracy Class NS 50, 63: 1.6 NS 100: 1.0 Scale Ranges NS 50: 0 … 1 to 0 … 400 bar NS 63, 100: 0 … 0.6 to 0 … 1000 bar or all other equivalent vacuum or combined pressure and vacuum ranges Pressure Limitation NS 50, 63: Steady: 3/4 x full scale value Fluctuating: 2/3 x full scale value Short time: Full scale value NS 100: Steady: Full scale value Fluctuating: 0.9 x full scale value Short time: 1.3 x full scale value Permissible Temperature Ambient: -20 … +60 °C Medium: +60 °C maximum Temperature Effect When the temperature of the measuring system deviates from the reference temperature (+20 °C): Max. ±0.4 %/10 K of the span Ingress Protection IP 65 per EN 60529 / lEC 529