Main Features:
1. High Pressure Analysis / Semi-preparative Pump
Infusion modes: dual piston reciprocating pump, double-plunger liquid absorption
Display: 320×240 dot matrix display large screen LCD display, blue backlight 
System protection: slow start, stop, maximum / minimum pressure adjustable, user data is automatically stored 
System connection: 1 / 8 "pipe connection
Control: Stand-alone mode via the front panel control buttons to set all parameters, when working in high pressure gradient mode, one of the pumps is primary to control other high pressure infusion pumps with the same models and verify the gradient model through gradient curves on the screen.
Serial port mode: through the RS232 to control high-pressure infusion pump
Power supply: 220V ± 10%, 50Hz, 400W
2. UV/VIS detector
Control: Stand-alone mode via the front panel control buttons
Serial port mode: through the RS232 port for software control 
Display: 320×240 large screen LCD display, adjustable blue backlight
Power supply: 220V ± 10%, 50Hz, 60W 
Dimensions and weight: 398×149×267mm (depth × width × height), 14kg
 
Technical Parameters:
1. High Pressure Analysis / Semi-preparative Pump
Maximum working pressure: P3110 42MPa; P3120 30MPa
Flow range: P3110 0.002-9.998ml/min 
P3120 0.01-49.99ml/min 
Flow accuracy: ± 2% (within2-5% flow) methanol / water volume ratio of 80:20
Flow repeatability: RSD <0.1%
2. UV/VIS detector
Wavelength range: 190-700nm 
Light source: deuterium lamp (standard configuration); tungsten lamp (replaceable) 
Wavelength accuracy: ± 2nm
Wavelength repeatability: 0.4nm 
Scanning: stop scanning, scan programmable, namely, starting and ending point of the scan can be set
Scanning steps: can be set 
Detection range: 0-2AU
Baseline noise: 2X10-5AU / h dynamic, flow rate: 1ml/min, methanol / water = 80:20 
Wavelength: 254
Baseline drifting: 15X10-5AU / h dynamic, flow rate: 1ml/min, methanol / water = 80:20 
Wavelength: 254
Time constant: 0.1/0.2/0.5/1/2/5/10s 
Automatic zeroing, full scale

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