Fluid-damped Two scales (bar / psi) Measuring range from 0 to 1000 bar (15000 psi) No. 850/033: Gauge for manual pumps no. 8.52 No. 850/133: Gauge for air hydraulic and motor pumps (no. 8.53 and no. 8.54) Please order separately gauge holder (no. 850/125) for gauge no. 850/133