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Analytical HPLC : Analytical HPLC-A7840

Analytical HPLC-A7840

Analytical HPLC-A7840 system with 0.001 to 9.999 ml / min flow rate range, offers three method measurement: dual wavelength detection, wavelength time program and stop pump scanning. Integrated with a single and dual wavelength UV-Vis detector with a range of 190 to 700 nm to analyse sample’s absorption at different wavelengths and high-pressure pump achieves accurate solvent delivery with high-precision and low-fluctuation.

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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 × 10-5 AU/h at 254 nm with methanol/water= 80/20
Baseline drift ( Static ) Au / h 1.5 × 10-4 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
  • Floating plunger support mechanism improve plunger and seal ring
  • Detector (Deuterium or tungsten lamp)
  • Simultaneous working of deuterium and tungsten lamp
  • Three method measurement: dual wavelength detection, wavelength time program and stop pump scanning
  • Independent mode all working parameter are set by panel button
  • External pump control by panel or computer software
  • Quaternary high pressure gradient support
  • Error alarm function for over pressure ,under pressure and leakage

Used in pharmaceutical analysis, food nutrient analysis of amino acids and sugars, detection of food contaminants, environmental pollutant and chemical product purity analysis.

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Standard HPLC

Standard HPLC : HPLC system LHLC-A10

HPLC system LHLC-A10

High pressure pumpSingle pump
Flow rate range0.001 - 9.999 mL / min (0.001 mL / min increment)
Pressure range≤ 0.5 MPa (0 - 42 MPa)
Standard HPLC : HPLC system LHLC-A11

HPLC system LHLC-A11

High pressure pumpTwo sets of pump
Flow rate range0.001 - 9.999 mL / min (0.001 mL / min increments)
Pressure range≤ 0.5 MPa (0 - 42 MPa)
Standard HPLC : HPLC system LHLC-B11
HPLC system LHLC-B11
High pressure pumpHigh pressure constant-current infusion pump
Infusion WayMicro volume series dual-piston
Infusion pressure0 - 9999 Psi

Analytical HPLC

Analytical HPLC : Analytical HPLC System LAHS-A10

Analytical HPLC System LAHS-A10

Pump specificationQuaternary Low Pressure Pump, 0.001 to 10.000 ml/min, in 0.001ml increments, ≤ ± 0.2% (1.00 ml/min, H2 O, R.T., 8.5 MPa), RSD ≤ 0.06% (1.00 ml/min, H2 O, R.T., 8.5MPa), 63 MPa, ≤ ± 3.0 %, ≤ 0.1 MPa, 0 to 100 %, ≤ 0.3 % RSD
UV/VIS Detector190 to 800 nm, ≤ 0.1 nm, ≤ ± 1.0 nm, 6 nm, 0.0 s to 5 s, ≤ ± 0.25 × 10-5 AU(empty cell, 254 nm, 1.0s), ≤ 0.5 × 10-4 AU/h (empty cell, 254 nm, 60 min), 10 mm(analytical cell), Deuterium Lamp and Tungsten Lamp
Data-processing WorkstationSystem contain the tables for regular samples Equipped with Internal and external standard calculation process Automatic display, print, export of data and starting of another program on completion on measurement Observe with the condition of 21 CFR part 11 directive of the FDA
Analytical HPLC : Analytical HPLC System LAHS-B10

Analytical HPLC System LAHS-B10

High Pressure Constant Flow Pump1 set, 0.001 to 10.00 mL/min, 0.001 mL/min, ≤ ± 0.3 %, RSD ≤ 00.1 %, 42 MPa, ≤ 1.0 %, ≤ 1.0 %, 80 W
UV/Visible Detector190 to 700 nm, ± 0.1 nm, 8 nm, 0 to 4.9 seconds, 1.8 AU (5 %), ≤ ± 1 × 10-5AU, ≤ 2.0 × 10-4AU/h, 4.0 × 10-9 g/mL, Optical path: 10 mm Volume: 10 µL, Deuterium lamp, 100 W, AC 110 V/ 220 V ± 10 %, 50/60 Hz, 600 × 440 × 380 mm 2 × (600 × 410 × 300 mm, 54 kg
Analytical HPLC : Analytical HPLC System LAHS-B11
Analytical HPLC System LAHS-B11
High Pressure Constant Flow Pump2 sets, 0.001 to 10.00 mL/min, 0.001 mL/min, ≤ ± 0.3 %, RSD ≤ 00.1 %, 42 MPa, ≤ 1.0 %, ≤ 1.0 %, 80 W
UV/Visible Detector190 to 700 nm, ± 0.1 nm, 8 nm, 0 to 4.9 seconds, 1.8 AU (5 %), ≤ ± 1 × 10-5AU, ≤ 2.0 × 10-4AU/h, 4.0 × 10-9 g/mL, Optical path: 10 mm Volume: 10 µL, Deuterium lamp, 100 W, AC 110 V/ 220 V ± 10 %, 50/60 Hz, 600 × 440 × 380 mm 3 × (600 × 410 × 300 mm, 75 kg

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