Publication 5390-001 Revision B
22
Harvard Apparatus Model 33 Twin Syringe Pump User's Manual
Appendix B: Nominal Min/Max Flow Rates
Minimum flow rates are taken from the smallest inside diameters and maximum flow
rates are taken from the largest inside diameters of the syringes supplied by the eleven
most widely used syringe manufacturers.
Nominal Minimum/Maximum Flow Rates for Various Syringes
(Actual Limits will vary depending on manufacturer)
Syringe µl/hr µl/min ml/hr ml/min
Size Min. Max. Min. Max. Min. Max. Min. Max.
10 µl 0.0073 950.05
25 µl 0.0183 2386.10
50 µl 0.0365 4772.50
100 µl 0.0731 9570.50
250 µl 0.1813 23.751
1000 µl 0.7281 95.418
1 ml 0.7828 102.580
2 ml 2.8493 373.430
2.5 ml 1.8156 237.950
3 ml 2.5691 336.710
5 ml 4.9824 653.010
10 ml 7.2024 15.733
20 ml 12.5360 27.384
30 ml 16.1310 35.236
50 ml 24.4201 53.346