28 Agilent 1290 Infinity II Flexible Pump User Manual
2 Site Requirements and Specifications
Performance Specifications
Performance Specifications
Tabl e 2 Agilent 1290 Infinity II Flexible Pump (G7104A) Performance Specifications
Feature Specification
Hydraulic system Dual pistons in series pump with proprietary servo-controlled variable
stroke design and smooth motion control for active damping.
Pump resolution step
size
300 pL step size
Settable flow range 0.001 – 5 mL/min, in 0.001 mL/min increments (executed in 300 pL/step
increments).
Flow precision ≤0.07 % RSD or 0.01 min SD, whatever is greater
Flow accuracy ±1% or ±10 µL/min, whatever is greater
Pressure range up to 130 MPa (1300 bar) at 0 – 2 mL/min
ramping down to 80 MPa (800 bar) at 5 mL/min
Pressure pulsation <1% amplitude or <0.5 MPa (5 bar), whatever is greater
Compressibility
compensation
Automatic
Recommended
pH-range
1.0 – 12.5, solvents with pH <2.3 should not contain acid which attack
stainless steel.
Gradient formation Low pressure quaternary mixing
Delay volume As low as 350 µL
Composition range Settable range: 0 – 100 %
Recommended range: 1 – 99 % or 5 µL/min
Composition
precision
<0.15 % RSD or 0.02 min SD, whatever is greater
Composition
accuracy
±0.4 % absolute (1 – 99 % B)
Number of solvent 4 out of maximum 26 solvents
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