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.

Pump Specifications Solvent deliveryPump HeadFlow rate rangeFlow rate incrementMaximum pressureColumn sizePipeline SizeFlow rate accuracyFlow rate precisionGradient accuracy %Gradient repeatability %GLPDisplayPowerPower supplyDimension
Double plunger series mode, floating plunger design, single stroke volume 30 µl
10 ml stainless steel pump head
0.001 to 9.999 ml / min
0.001 ml/min
42 MPa
4.6 × 250 mm 5 µm
1/16 inch
± 0.5 %
RSD ≤ 0.1%
± 0.5 %
RSD ≤ 0.15%
Automatic recording of pump sealing ring working time
LCD backlight display
80 W
220 V ± 10%, 50 Hz
398 × 149 × 267 mm
Detector Specifications Wavelength rangeWavelength accuracyWavelength repeatabilityDeuterium lampTungsten lampBaseline noise ( Static ) AuBaseline drift ( Static ) Au / hTime constantsDisplayGLPPowerPower supplyDimension (L × W × H)
190 to 700 nm
± 1 nm
0.2 nm
190 to 400 nm
400 to 700 nm
1 × 10-5 AU/h at 254 nm with methanol/water= 80/20
1.5 × 10-4 AU/h at 254 nm with methanol/ water= 80/20
16 grades adjustable
LCD backlight display
Total number of lights, lamp replacement time and product serial number
75 W
220 V ± 10%, 50 Hz
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.

Accessories no. Accessories name Specification Unit
1 Analytical pump 10 ml/min, 42 MPa 2
2 Analytical UV detector Analytical flow cell included 1
3 Chromatography software FDA compliance 1
4 Start-up kits Accessories and tools 1
5 Static mixer Analytical mixing 1
6 Manual injection valve ID 4.6 × 250 mm 5 µm C18 kromasil 1

Analytical HPLC-A7840


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