Agilent Technologies InfinityLab LC Series User Manual page 43

2 Site Requirements and Specifications
Performance Specifications
Performance Specifications Agilent 1260 Infinity II
Quaternary Pump (G7111B)
Table 7
Type
Hydraulic system
Flow range
Flow precision
Flow accuracy
Pressure operating range
Pressure pulsation
Compressibility
compensation
Recommended pH range
Gradient formation
Delay volume
Composition range
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
Performance Specifications G7111B
Specification
Dual piston in series pump with
servo-controlled variable stroke
drive, power transmission by gears
and ball screws, floating pistons
Settable: 0.001 – 10 mL/min
Recommended: 0.2 – 10.0 mL/min
≤0.07 % RSD, or ≤0.02 min SD,
whichever is greater
± 1 % or 10 µL/min, whichever is
greater
Up to 60 MPa (600 bar, 8702 psi)
up to 5 mL/min
Up to 20 MPa (200 bar, 2901 psi)
up to 10 mL/min
< 2 % amplitude (typically < 1.3 %),
or < 0.3 MPa (3 bar, 44 psi),
whichever is greater
User-selectable, based on mobile
phase compressibility
1.0 – 12.5
Low pressure quaternary
mixing/gradient capability using
proprietary high-speed
proportioning valve
600 – 900 µL, dependent on back
pressure
Settable: 0 – 100 %
Recommended: 5 – 95 % or
10 μL/min per channel, whichever
is greater, under recommended
flow rate conditions
Comments
Set points in 0.001 mL/min
increments
Based on retention time at
constant temperature
Pumping degassed H O at
2
10 MPa (100 bar, 1450 psi)
At 1 mL/min isopropanol, at all
pressures > 1 MPa (10 bar,
145 psi)
Solvents with pH < 2.3 should
not contain acids which attack
stainless steel
Measured with water at
1 mL/min
(water/water with tracer)
In 0.1 % increments
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