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Waters Alliance 2690/2695 HPLC system with Waters 996 PDA

refurbished Waters Alliance 2690/2695 HPLC system with Waters 996 PDA


Solvent Conditioning Vacuum degas,two (2) operating modes, four (4) chambers, < 500 µL internal volume per chamber
Programmable Flow Rate Range 0.000 and 0.010 to 10.000 mL/min. in 0.001 mL/min. increments
Effective System Delay Volume < 650 µL , independent of backpressure @ 1 mL/min.
Plunger Seal Wash Integral, active, programmable
Gradient Profiles Eleven (11) gradient curves (including linear, step [2], concave [4], and convex [4])
Maximum Operating Pressure 5000 psi. (345 bar) (0.010 - 3.000 mL/min) Programmable upper and lower limits
Pressure Ripple <2.5% (1 mL/min., degassed methanol, at 1700 psi backpressure)
Composition Range 0.0 to 100.0%, in 0.1% increments
Composition Accuracy ± 0.5% absolute, independent of backpressure (Proportioning Valve Pair Test, [degassed methanol: methanol/propylparaben, 2 mL/min., 254 nm])
Composition Precision 0.15% RSD or 0.02 min. SD, whichever is greater, based on retention time. (Degassed methanol:water, 60:40 dial-a-mix, 1 mL/min., 6 replicates, phenone mix, 254 nm)
Flow Precision 0.075%RSD or 0.02 min. SD, 6 replicates, based on retention time or volumetric measures (0.200 - 5.000 mL/min.), isocratic premix
Flow Accuracy ± 1% or 10 µL/min. whichever is greater, (0.200 - 5.000 mL/min.), (Degassed methanol, at 600 psi backpressure)

Sample Management

Number of Sample Vials 120 vials, configured in 5 carouselsof 24 vials each
Number of Sample Injections 1 to 99 injections per sample vial
Sample Delivery Precision Typically < 0.5% RSD, 5 - 80 µL (Degassed methanol: water, 60:40 dial-a-mix, 1 mL/min., 6 replicates, phenone mix, 254 nm)
Sample Carryover < 0.1%
Injection Accuracy ± 1µL (± 2%) (50 µL, N=6), Sample: 100% degassed water, Analytical solvent: 100% degassed methanol
Sample Temperature Control 4 to 40°C, programmable in 1°C increments
Advanced Operations Stat runs, Auto additions, Auto standards
Injection Volume Range 0.1 to 100 µL, standard; 0.1 to 2000 µL, with optional sample loop
Injector Linearity > 0.999 coefficient of deviation (1 to 100 µL)

Physical Specifications

Physical Size (W x H x D) 23in. (58cm) x 22.5in. (57cm) x 23.5in. (60cm)
Weight 130 lb. (59 Kg)

Environmental

Acoustic Noise < 65 dB(A)
Operating Temperature Range 4 to 40°C
Operating Humidity Range 20 to 80%, noncondensing

This refurbished Waters Alliance 2690/2695 HPLC system comes with Waters 996 PDA.


We are professional to the stuffs. Please call us. We sell you a complete system or single item upon request.


This refurbished Waters HPLC System is really in a great shape and is tested at SpectraLab Scientific. 90 days warranty included.


Multiple available

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