1290 Infinity II High-Speed Pumps User Manual 30
2 Site Requirements and Specifications
Performance Specifications
Performance Specifications Agilent 1290 Infinity II
Bio High-Speed Pump (G7132A)
Table 4 Performance specifications G7132A
Type Specification Comments
Hydraulic system Two dual pistons in series pump
with proprietary servo-con-
trolled variable stroke design
and smooth motion control for
active damping.
Pump resolution step size 300 pL
Flow range Settable: 0.001 – 5 mL/min, in
0.001 mL/min increments (exe-
cuted in 300/step increments)
Flow precision ≤ 0.07 % RSD or 0.005 min SD,
whichever is greater
Based on retention time at con-
stant temperature
Flow accuracy ±1 % or ±10 μL/min, whichever
is greater
Pressure operating range Up to 130 MPa (1300 bar) at
0–2mL/min ramping down to
80 MPa (800 bar) at 5 mL/min
Pressure pulsation < 1 % amplitude or < 0.5 MPa
(5 bar), whichever is greater
Compressibility compensation Automatic
Recommended pH range pH 1 – 12.5, short term pH 13
(for flushing)
Gradient formation High-pressure binary mixing
Delay volume As low as 45 μL (10 µL without
mixer)
Composition range 0 – 100 %
Composition precision < 0.15 % RSD or 0.01 min SD,
whichever is greater
Composition accuracy ±0.35 % absolute
Number of solvents 2 out of maximum 26 solvents
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