The 515 HPLC pump is a programmable, free-standing HPLC pump available in isocratic, gradient, and semi-preparative configurations:
• Precise stepper motor control (48 steps/µL resolution) of dual reciprocating pistons • Non-circular drive gears provide smooth, uniform eluent delivery • User-programmable flow rate calibration and compressibility compensation factors ensure straightforward pump operation qualification • Tests to retention time variations of less than 0.1% for highly reproducible peak performance • Easy-to-read display and keypad for error-free programming • Automatic purging and flow calibration
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