[email protected]
+44 20 3371 7320 Mon - Sat: 9:00 AM - 6:00 PM
Home All Products HPLC Analytical HPLC-LD-A7840
Analytical HPLC-LD-A7840

Analytical HPLC-LD-A7840

SKU: LD-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.

  • ✓ 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
Also available in:
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
GLPTotal number of lights, lamp replacement time and product serial number
Power75 W
DisplayLCD backlight display
Dimension398 × 149 × 267 mm
Pump Head10 ml stainless steel pump head
Column size4.6 × 250 mm 5 µm
Power supply220 V ± 10%, 50 Hz
Pipeline Size1/16 inch
Tungsten lamp400 to 700 nm
Deuterium lamp190 to 400 nm
Time constants16 grades adjustable
Flow rate range0.001 to 9.999 ml / min
Maximum pressure42 MPa
Flow rate accuracy± 0.5 %
Flow rate increment0.001 ml/min
Flow rate precisionRSD ≤ 0.1%
Gradient accuracy %± 0.5 %
Pump Specifications
Wavelength accuracy± 1 nm
Detector Specifications
Dimension (L × W × H)398 × 149 × 267 mm
Gradient repeatability %RSD ≤ 0.15%
Wavelength repeatability0.2 nm
Baseline noise ( Static ) Au1 × 10-5 AU/h at 254 nm with methanol/water= 80/20
Baseline drift ( Static ) Au / h1.5 × 10-4 AU/h at 254 nm with methanol/ water= 80/20

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

Similar Products