General Information:

Flow range	Setpoints from 0.001 to 9.999 ml/min in 0.001 ml/min increments
Flow precision	< 0.3% RSD (typically < 0.15 %), based on retention time at 0.5 ml/min and 2.5 ml/min
Pressure	Operating range from 0-400 bar up to 5 ml/min; from 0-200 bar up to 10 ml/min
Compressibility compensation	User-selectable, based on mobile phase compressibility
Recommended pH range	2.3 to 12.5
Gradient formation	Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve
Composition Range	0 to 100% in 0.1% increments from four independent channels

This used HP 1050 Autosampler is really in a great shape and tested at SpectraLab Scientific. 90 days warranty is included.

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