24 1260 Infinity QuatPump VL User Manual
2 Site Requirements and Specifications
Performance Specifications
Performance Specifications
Tabl e 3 Performance Specification Agilent 1260 Infinity Quaternary Pump VL (G1311C)
Type Specification
Hydraulic system Dual piston in series pump with proprietary servo-controlled variable
stroke drive, floating pistons
Setable flow range Set points 0.001 – 5 mL/min, in 0.001 mL/min increments
Flow range 0.2 – 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, pumping degassed H
2
O at
10 MPa (100 bar)
Pressure operating
range
Operating range up to 40 MPa (400 bar, 5880 psi) up to 5 mL/min
Operating range up to 20 MPa (200 bar, 2950 psi) up to 10 mL/min
Pressure pulsation < 2 % amplitude (typically < 1.0 %), or < 0.3 MPa (3 bar, 44 psi),
whatever is greater, at 1 mL/min isopropanol, at all pressures > 1 MPa
(10bar, 145psi)
Compressibility
compensation
User-selectable, based on mobile phase compressibility
Recommended pH
range
1.0 – 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 600 – 900 µL, dependent on back pressure; measured with water at
1 mL/min (water/caffeine tracer)
Composition range 0 – 95 % or 5 – 100 %, user selectable
Composition precision < 0.2 % RSD or < 0.04 min SD, whatever is greater, at 1 mL/min; based
on retention time at constant room temperature
Integrated degassing
unit
Number of channels: 4
Internal volume per channel: 1.5 mL
Materials in contact with solvent: TFE/PDD Copolymer, FEP, PEEK, PPS
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