Max Flow Rate
0-5 ml/min per channel
Number of Channels
4
Internal Volume per Channel
Typically 1 ml per channel
Materials in Contact with Solvent
PTFE, FEP, PEEK
pH Range
1 – 14
RS-232 Output
For diagnostic purposes
Dimensions (W x D x H)
13.5 x 17 x 3.1 in (345 x 435 x 80 mm)
Electrical Requirements
100-120 or 220-240 VAC, 50/60 Hz
Temperature Range
Range 10° below ambient to 80° C
Temperature Stability
± 0.15°C
Temperature Accuracy
± 0.8°C
Column Capacity
Three 30cm columns
Warm-up/Cool Down
5 mins from ambient to 40°C
10 ml/min per channel
Reduced performance above 5 ml/min
Internal Volume
Typically 12 ml per channel
PTFE, PEEK
Analog Output (AUX)
For pressure monitoring, range 0 – 3 V
Maximum Flow Rate
5-10 ml/min at reduced degassing performance
Ambient Operating Temperature
0° to 55°C
Ambient Non-operating Temperature
-40° to 70°C
Power Consumption
30 W
Line Voltage
100-120 220-240 VAC
Line Frequency
50 r 60 Hz
Weight
7kg (15.4 lbs)
13.5 x 17 x 3.1 in
Setable Flow Range
0.001 – 10 ml/min, in 0.001 ml/min increments
Flow Range
0.2 – 10.0 ml/min
Flow Precision
< 0.3% RSD (usually 0.15%), based on retention time, at 1 ml/min
Pressure
Operating range 0 – 40 MPa (0 – 400 bar, 0 – 5880 psi) up to 5 ml/min
Operating range 0 – 20 MPa (0 – 200 bar, 0 – 2950 psi) up to 10 ml/min
Pressure Pulsation
< 2% amplitude (typically < 1%), at 1 ml/min isopropanol, at all pressures > 1 MPa (10 bar)
Recommended pH Range
1.0 – 12.5, solvents with pH > 2.3 should not contain acids which attack stainless steel
Gradient Formation
Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve
Delay volume 800 – 1100 µl, dependent on back pressure
Composition Range
0 – 95% or 5 – 100%, user selectable
Composition Precision
< 0.2% SD, at 0.2 and 1 ml/min
Dimensions (H x W x D)
5.5 x 13.5 x 17 in
100-120 or 22-240 VAC, 50/60 Hz, 220 VA
Hydraulic system
Two dual piston in series pumps with proprietary servo-controlled variable stroke drive, floating piston design and active inlet valve
Setable flow range
Setpoints 0.001 – 5 ml/min, in 0.001 ml/min increments
Flow range
0.1 – 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 whatever is greater
Operating range 0 400 bar (0 – 5880 psi) up to 5 ml/min
Pressure pulsation
< 2 % amplitude (typically < 1 %), at 1 ml/min isopropanol, at all pressures > 1 MPa
Compressibility compensation
User-selectable, 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 180 – 480 µl without mixer, 600 – 900 µl with mixer, dependent on back pressure
Composition range
1 – 99 % or 5 µl/min per channel, whatever is greater
Composition precision
£ 0.5% absolute
Composition accuracy
± 0.15% RSD, at 1 ml/min
