Agilent Technologies 1220 Infinity II LC User Manual page 22

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Site Requirements and Specifications
Performance Specifications
Performance Specifications Agilent 1220 Infinity II LC Pump VL
Table 4
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
Composition
precision
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Performance Specifications Agilent 1220 Infinity II LC Pump VL
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 40 MPa (400 bar, 5801 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
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
1220 Infinity II LC System User Manual
O at 10 MPa
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