The manufacturer of the 1525u Binary Pump, Waters is Waters. Refurbished Waters 1525u Binary Pump (m/n 25U p/n 1525U 186001525) The Waters 1525 is an integrated, high-pressure, binary HPLC pump that features on-board pulse dampening and efficient mixing. The pulse-free solvent flow, from analytical to semi-preparative flow rates, makes it ideal for use with highly sensitive detectors. Designed for use with 2 to 4.6 mm I.D. columns in routine LC and LC/MS applications, this pump has a programmable flow-rate range of 0.00 to 10.00 mL/min in 0.01 mL increments.
Specification
Condition: Refurbished, Certified Pre-owned Programmable flow rate: 0.00 to 5.00 mL/min, in 0.01 mL/min increments Flow precision: 2 sec SD, six replicates based on retention time or volumetric measures at 0.2 mL/min, 1000 to 2000 psi back pressure, PQ test (each pump individually) Flow accuracy: 2.0% of setting at 0.1 mL/min using degassed methanol at 1000 to 2000 psi backpressure (each pump individually) Maximum operating pressure: 6000 psi (41,370 kPa, 401 bars) Operating pressure limits: Software programmable high and low pressure limits; user selectable in psi, kPa, bar Delay: volume < 30 μL (without mixer), < 100 μL (with one 50 μL mixer) Gradient accuracy: < 1.0% of setting (typical) at 0.1 mL/min between 10% to 90%, and 1000 psi backpressure (methanol: methanol with propylparaben and one 50.0 μL mixer) Gradient precision: < 0.5% RSD (typical) between 10.0% to 90.0%, 0.1 mL/min, and 1000 psi back pressure (methanol: water with octanophenone and one 50.0 μL mixer) Pressure ripple (one pump): < 2.0% at 0.5 mL/min, degassed methanol, at 1000 to 2000 psi back pressure Gradient ripple: < 1.5% normalized to full scale between 10.0% to 90.0%, 0.1 mL/min, and 1000 psi backpressure (methanol: methanol with propylparaben) with one 50.0 μL mixer
Features
Refurbished to meet manufacturer's specification In excellent condition Thoroughly cleaned Money back guarantee Certified with warranty
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