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

Setable Flow Range

0.001 to 10 mL/min, in 0.001 mL/min increments

Flow Range

0.2 to 10.0 mL/min

Flow Precision

≤ 0.07% RSD, or ≤ 0.02 min SD whatever is greater, based on retention time at constant room temperature

Flow Accuracy

± 1% or 10 µl/min whatever is greater

Pressure Operating Range

0 to 60 MPa (0 – 600 bar, 0 – 8,700 psi) up to 5 mL/min

0 to 20 MPa (0 – 200 bar, 0 – 2,950 psi) up to 10 mL/min

Pressure Pulsation

< 2% amplitude or < 3 bar at 1 mL/min isopropanol, at all pressure > 1 MPa (10 bar, 145 psi)

Recommended pH Range

1.0 to 12.5, solvents with pH < 2.3 should not contain acids which attack stainless steel

Gradient Formation

Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve

Composition Range

0 to 95% or 5 to 100%, user selectable

Composition Precision

< 0.2% RSD or < 0.04 min SD

Electrical Requirements

100 to 240V, 50/60 Hz, 180 VA

Setable Flow Range

0.001 to 10 ml/min, in 0.001 ml/min increments

Flow Range

0.2 to 10.0 ml/min

Flow Precision

< 0.07% RSD, or < 0.02 min SD whatever is greater, based n retention time at constant room temperature

Flow Accuracy

± 1% or 10 µl/min whatever is greater

Pressure

Operating range 0 – 40 MPa (0 – 400 bar, 0 – 5880 psi) up to 5 ml/min

Operating range 0 – 20 MPa (0 – 200 bar, 0 – 2950 psi) up to 10 ml/min

Pressure Pulsation

< 2% amplitude (typically < 1%), at 1 ml/min isopropanol, at all pressures > 1 MPa (10 bar)

Recommended pH Range

1.0 to 12.5, solvents with pH > 2.3 should not contain acids which attack stainless steel

Gradient Formation

Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve

Delay volume 800 – 1100 µl, dependent on back pressure

Composition Range

0 to 95% or 5 to 100%, user selectable

Composition Precision

< 0.2% SD, at 0.2 and 1 ml/min

Dimensions (H x W x D)

5.5 x 13.5 x 17 in

Electrical Requirements

100-120 or 22-240 VAC, 50/60 Hz, 220 VA