26 1260 Infinity Binary Pump User Manual
2 Site Requirements and Specifications
Performance Specifications
Performance Specifications
Tabl e 2 Performance Specifications of the Agilent 1260 Infinity Binary Pump (G1312B)
Type Specification Comments
Hydraulic system Two dual piston in series pumps with
servo-controlled variable stroke drive,
power transmission by gears and ball
screws, floating pistons
Setable flow range Set points 0.001 – 5 mL/min, in
0.001 mL/min increments
Flow range 0.05 – 5.0 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, what ever is greater pumping degassed H
2
O at
10 MPa (100 bar)
Pressure operating
range
Operating range 0 – 60 MPa (0 – 600 bar,
0 – 8700 psi) up to 5 mL/min
Pressure pulsation < 2 % amplitude (typically < 1.3 %), or
< 0.3 MPa (3 bar), whatever is greater, at
1 mL/min isopropanol, at all pressures
> 1 MPa (10 bar, 147 psi)
Low delay volume configuration:
< 5 % amplitude (typically < 2 %)
Compressibility
compensation
Pre-defined, 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 High-pressure binary mixing
Delay volume Standard delay volume configuration:
600 – 800 µL, (includes 400 µL mixer),
dependent on back pressure
Low delay volume configuration:
120 µL
measured with water at
1 mL/min (water/caffeine
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