- Type : Serial Dual reciprocating pistons, microprocessor-control - Maximum Operational Pressure : 5000 psi or more - Pressure Ripple : < 1.0% from 0.4 to 2.0 ml/min at 1000-3000 psi - Flow Rate Range : 0.05-5.0 ml/min in 0.01 increments typical operating ranging is 0.4-2.0 ml/min - Flow Precision : < 0.2% - Flow Accuracy : < 1.0% of set value or ± 2μl/min - Piston Seal Wash : Dual-pump head