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Waters hplc pump model 515
Waters HPLC Pump Model 515 "Working" Looks new
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/ L 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
