Main technical index:1) Flow Range: 0.001~9.999 ml/min with the step of 0.001ml/min,2) Flow accuracy: ≤ ±0.3% (1.000 ml/min, 8.5 MPa, water, room temperature),3) Flow Precision: PSD ≤ 0.1% (1.000mL/min, 8.5 MPa, water, room temperature),4) Maximum Working Pressure: 40 MPa (0.001 ml/min-4.999 ml/min), 20 MPa (5.000 ml/min-9.999 ml/min),5) Pressure Error: ≤ ±0.3%, 6) Pressure fluctuation: ≤ ±1.0%. All of our High Pressure Constant Flow Pump are quality guaranteed and of cheap price. We provide them to you together with satisfied service. Don’t hesitated to make an inquiry!