New generation of liquid handling pumps are designed for precision handling of liquids and/or gases, producing a bidirectional pulseless flow with a range of over six orders of magnitude (5 nL/min to 5 mL/min or 1 µL/min to 25 mL/min, depending on model). Manufacturer says the pumps offer better performance than syringe pumps and eliminate the need for refill cycles and syringe changes. The positive displacement pumps are self-priming and tolerant of any gas which may find its way into the fluid lines. There is no separate fill cycle, and the capacity is unlimited.
Valco Instruments
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