HPLC system LHLC-A11

This model of HPLC gradient system is equipped with 2 sets of high-pressure constant-current pump and ultraviolet detector. Its microprocessor reciprocating plunger pump comes with functions such as high working pressure, low pulse rate. This gradient HPLC model meet the needs of conventional analysis to micro flow analysis.

High pressure pump Two sets of pump
Flow rate range 0.001 - 9.999 mL / min (0.001 mL / min increments)
Pressure range ≤ 0.5 MPa (0 - 42 MPa)
Flow rate precision RSD < 0.06 %
Pulsation ≤ 0.1 MPa (flow rate 1 ml / min, Pressure 5 - 10 MPa)
Qualitative analysis RSD 6 ≤ 0.1 % (naphthalene methyl alcohol solvent)
Quantitative repeatability RSD 6 ≤ 0.3 % (naphthalene methyl alcohol solvent)
Flow rate setting error Ss ≤ 2 % (1 mL / min water, 5 - 10 MPa room temperature)
Air tightness of the pump Pressure 42 MPa, 10 min time, Pressure drop < 0.5 MPa
Mixing accuracy ± 1 %
Mixing precision ± 0.2 %
Size (W × H × D) 450 × 300 × 160 mm
UV Detector
  • Wavelength range: 190 - 680 nm
  • Flow cell: 8 µL
  • Spectrum band width: 8 nm
  • Baseline noise: ≤ ± 0.25 × 10<sup>-5</sup> AU (empty cell)
  • Wavelength accuracy: ± 1 nm
  • Baseline drift: ≤ ± 0.4 × 10<sup>-4</sup> AU (empty cell)
  • Wavelength precision: < 0.1 nm
  • Limit of detection: 3 × 10<sup>-9</sup> g / mL (naphthalene methyl alcohol solvent)
  • Size (W × H × D): 450 × 300 × 160 mm
  • More precise optical system for the high precision and small offset
  • Improved light energy through the parallel double cone flow cell
  • Significant reduction in the static noise of the instrument and signal drift

This HPLC system has applications in the field of biochemistry, chemistry, pharmacology for chemical analysis, poison analysis and in protein food detection, medicine testing and polymer, environmental analysis.

High pressure pump Single pump
Flow rate range 0.001 - 9.999 mL / min (0.001 mL / min increment)
Pressure range ≤ 0.5 MPa (0 - 42 MPa)
Flow rate precision RSD < 0.06 %
High pressure pump High pressure constant-current infusion pump
Infusion Way Micro volume series dual-piston
Infusion pressure 0 - 9999 Psi
Flow rate ≤ 0.5 %
High pressure pump High pressure gradient pump
Peak operating pressure 45 MPa, Stainless steel pump
Pressure ± 0.02 MPa
Flow rate range 0.001 - 9.999 mL / min
Detector Specifications
Model No HPD-A20 HPD-A21
Wavelength range Single wavelength ( 190 to 800 nm ) Dual wavelength ( 190 to 800 nm )
Wavelength accuracy ± 0.5 nm ± 2 nm
Wavelength repeatability 0.15 nm 0.3 nm
Band width 8 nm 8 nm
Optical path 10 nm 10 nm
Deuterium lamp 190 to 400 nm 190 to 400 nm
Tungsten lamp 400 to 800 nm 400 to 800 nm
Baseline noise ( Static ) Au ≤ ± 0.35 × 10-5 ≤ ± 0.5 × 10-5
Baseline drift ( Static ) Au / h ≤ 1 × 10-4 ≤ 1.5 × 10-4
Minimum detection limit ≤ 4 × 10-8 ≤ 4 × 10-8
Power 100 W 100 W
Power supply 90 V / 50 to 60 Hz 90 V / 50 to 60 Hz
Dimension 460 × 315 × 180 mm 460 × 315 × 180 mm
Weight 9.5 kg 9.5 kg
Pump Specifications
Flow rate range 0.0001 to 10 ml / min
Maximum pressure 50 MPa , 0 to 2 ml / min
Column size 4.6 × 250 mm
Sample size 5 µm
Pressure pulsation ≤ 1 % at 10 MPa
Flow rate accuracy ± 0.15 % at 1 ml / min
Flow rate repeatability % ≤ 0.1
Gradient accuracy % ± 1.5
Gradient repeatability % ≤ 0.2
Dimension 460 × 310 × 180 mm
Power supply 90 V
Weight 11.6 kg
Pump Specifications
Model No HPP-B1
Flow rate range 0.0001 to 10 ml / min
Maximum pressure 42 MPa , 0 to 5 ml / min
Column size 4.6 × 250 mm
Sample size 5 μm
Pressure pulsation ≤ 1.5 % at 10 MPa
Flow rate accuracy ± 0.2 % at 1 ml / min
Flow rate repeatability % ≤ 0.15
Gradient accuracy % ± 2
Gradient repeatability % ≤ 0.2
Dimension 450 × 260 × 190 mm
Power supply 90 V to 240 V
Weight 11.2 kg
Detector Specifications
Model No HPD-B2
Wavelength range 190 to 800 nm
Wavelength accuracy ± 0.75 nm
Wavelength repeatability 0.2 nm
Band width 8 nm
Optical path 10 nm
Deuterium lamp 190 to 400 nm
Tungsten lamp 400 to 800 nm
Baseline noise ( Static ) Au ≤ ± 0.5 × 10 <sup>-5</sup>
Baseline drift ( Static ) Au / h ≤ 1.5 x 10 <sup>-4</sup>
Minimum detection limit ≤ 4 x 10 <sup>-8</sup>
Power 100 W
Power supply 90 V / 50 to 60 Hz
Dimension 460 × 260 × 190 mm
Weight 9.2 kg
Pump Specifications
Solvent delivery Double plunger series mode, floating plunger design, single stroke volume 30 µl
Pump Head 10 ml stainless steel pump head
Flow rate range 0.001 to 9.999 ml / min
Flow rate increment 0.001 ml/min
Maximum pressure 42 MPa
Column size 4.6 × 250 mm 5 µm
Pipeline Size 1/16 inch
Flow rate accuracy ± 0.5 %
Flow rate precision RSD ≤ 0.1%
Gradient accuracy % ± 0.5 %
Gradient repeatability % RSD ≤ 0.15%
GLP Automatic recording of pump sealing ring working time
Display LCD backlight display
Power 80 W
Power supply 220 V ± 10%, 50 Hz
Dimension 398 × 149 × 267 mm
Detector Specifications
Wavelength range 190 to 700 nm
Wavelength accuracy ± 1 nm
Wavelength repeatability 0.2 nm
Deuterium lamp 190 to 400 nm
Tungsten lamp 400 to 700 nm
Baseline noise ( Static ) Au 1 × 10<sup>-5</sup> AU/h at 254 nm with methanol/water= 80/20
Baseline drift ( Static ) Au / h 1.5 × 10<sup>-4</sup> AU/h at 254 nm with methanol/ water= 80/20
Time constants 16 grades adjustable
Display LCD backlight display
GLP Total number of lights, lamp replacement time and product serial number
Power 75 W
Power supply 220 V ± 10%, 50 Hz
Dimension (L × W × H) 398 × 149 × 267 mm
High pressure pump Single pump
Flow rate range 0.001 - 9.999 mL / min (0.001 mL / min increment)
Pressure range ≤ 0.5 MPa (0 - 42 MPa)
Flow rate precision RSD < 0.06 %
High pressure pump Two sets of pump
Flow rate range 0.001 - 9.999 mL / min (0.001 mL / min increments)
Pressure range ≤ 0.5 MPa (0 - 42 MPa)
Flow rate precision RSD < 0.06 %
High pressure pump High pressure constant-current infusion pump
Infusion Way Micro volume series dual-piston
Infusion pressure 0 - 9999 Psi
Flow rate ≤ 0.5 %