Kromschroder Elster Pressure Measurement DMG 2601 measuring range: rated 150 mbar (2.2 psi), max. 180 mbar (2.6 psi), max. positive pressure: 1.35 bar (19.6 psi). DMG 2610 measuring range: rated 1000 mbar (14.5 psi), max. 1500 mbar (21.8 psi),