Setable Flow Range

Setpoints 0.001 to 5 ml/min, in 0.001 ml/min increments

Flow Range

0.1 to 5 ml/min

Flow Precision

< 0.07% RSD or < 0.02 min SD

Flow Accuracy

± 1% or 10 ul/min

Pressure

Operating range 0 to 400 bar (0 to 5880 psi) up to 5 ml/min

Pressure Pulsation

< 2% amplitude (typically < 1%) at 1 ml/min isopropanol, at all pressures > 1 MPa

Compressibility Compensation

User-selectable, based on mobile phase compressibility

Hydraulic System

Two dual pistons in series pumps with proprietary servo-controlled variable stroke drive, floating piston design and active inlet valve

Recommended pH Range

1.0 to 12.5; solvents with pH < 2.3 should not contain acides with attack stainless steel

Gradient Formation

High-pressure binary mixing, delay volume 180 to 480 ul without mixer, 600 to 900 ul with mixer, dependent upon back pressure

Composition Range

1 to 99% or 5 ul/min per channel

Composition Precision

< 0.5% absolute

Composition Accuracy

< 0.15% RSD at 1 ml/min