Agilent Technologies 1220 Infinity II LC User Manual page 21

Performance Specifications Agilent 1220 Infinity II LC Pump
Table 3
Type
Hydraulic system
Flow range
Flow precision
Flow accuracy
Pressure
operating range
Pressure
pulsation
Compressibility
compensation
Recommended
pH
Gradient
formation
(optional)
Delay volume
Composition
range
Composition
precision
1220 Infinity II LC System User Manual
Performance Specifications Agilent 1220 Infinity II LC Pump
Specification
Dual plunger in series pump with
proprietary servo-controlled variable
stroke drive, floating plungers and
passive inlet valve
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 whatever 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 binary mixing/gradient
capability using proprietary
high-speed proportioning valve
600 – 900 µL, dependent on back
pressure
Settable 0 – 100 %
Recommended 5 – 95 %
< 0.2 % RSD or < 0.04 min SD,
whichever is greater
Site Requirements and Specifications
Performance Specifications
Comments
Set points in 0.001 mL/min
increments
Based on retention time at constant
temperature
Pumping degassed H
(100 bar)
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
At 1 mL/min; based on retention
time at constant temperature
2
O at 10 MPa
2
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