High Efficiency Generate 3,000 psi (200 bar) in 40 seconds. Adjustment Resolution 0.001 psi (10 Pa, 0.1 mbar). High-quality screw press for fine pressure adjustment. Stability- A specially designed shut-off valve makes the pressure as stable as possible during calibration. Durability and Minimal Maintenance Hand-tight Quick Connectors Piston volume: 60 ml (3.7 in³) for the 920, 115 ml (7.02 in³) for the 920 HV Dimensions Height: 7.00 (178 mm) Base: 21.26 (540 mm) x 10.63 (270 mm). Weight: 20 lb (9.07kg) for 920HV Warranty: 1 year > Each Unit Includes O-ring: 20 pcs Manual: 1 pc Carrying case (920-X-SET models only)