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Waters Alliance 2695 HPLC system with Waters 2420 ELS Detector, or Waters 2996 PDA Detector, or Waters 2414 RID, or Waters 2475 Multi-Wavelength Fluorescence Detector, or Waters 2489 UV/Vis Detector, or Waters 2465 Electrochemical Detector

 
Waters Alliance 2695 HPLC system with Waters 2420 ELS Detector, or Waters 2996 PDA Detector, or Waters 2414 RID, or Waters 2475 Multi-Wavelength Fluorescence Detector, or Waters 2489 UV/Vis Detector, or Waters 2465 Electrochemical Detector
Waters Alliance 2695 HPLC system with Waters 2420 ELS Detector, or Waters 2996 PDA Detector, or Waters 2414 RID, or Waters 2475 Multi-Wavelength Fluorescence Detector, or Waters 2489 UV/Vis Detector, or Waters 2465 Electrochemical Detector
 

Solvent Management

 

Number of Solvents

 1 to 4

Solvent conditioning

Vacuum degas, two operating modes, four chambers, < 500µl internal volume per chamber 0.000 to 10.000 mL/min (0.050 to 5.00 mL/min typical) in 0.001 mL/min increments

Compressibility compensation

Automatic and continuous

System delay volume

 < 650 µL, independent of backpressure at 1mL/min

Plunger seal wash

Integral, active, programmable 

Gradient profiles 

11 gradient curves including linear, step (2), concave (4), and convex (4)  

Dry prime/wet prime

Automatic front panel control, SystemPrep function for automatic solvent(s) purge 

Flow ramping 

Time (0.01 to 30.00 min in 0.01 min increments) to reach maximum flow rates

Maximum operating pressure

5000 psi (345 bar) (0.010 to 3.000 mL/min) programmable upper and lower limits 

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, 2.0mL/min, 254nm]) 

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, 1.00mL/min, six replicates, phenone mix, 254nm) 

Flow precision

≤0.075% RSD or ≤0.02 min SD, six replicates, based on retention time or volumetric measures (0.200 to 5.000 mL/min), isocratic premix 

Flow rate range 

0.000 to 10.000 mL/min (0.050 to 5.000 mL/min typical) in 0.001mL/min increments 

Flow accuracy 

±1% or 10µl/min whichever is greater, 0.200 to 5.000 mL/min (degassed methanol, at 600 psi backpressure) 



Sample Management

 

Number of sample vials

120 vials, configured in five carousels of 24 vials each

Number of sample injections

1 to 99 injections per sample vial

Sample delivery precision

Typically <0.5% RSD, 5 to 80µl (degassed methanol: water 60:40 dial-a-mix, 1mL/min, six replicates, phenone mix, 254 nm)

Sample carryover

≤ 0.01% for caffeine, under specified conditions

Injection needle wash

Integral, active, programmable

Injection accuracy

± 1µL (±2%) (50µL, N=6), sample: 100% degassed water, analytical solvent: 100% degassed methanol

Standard sample vial

2mL

Advanced operations

Priority samples, auto additions, auto standards

Injection volume range

0.1 to 100.0µL, standard; 0.1 to 2000.0µL, with optional sample loop

Injection linearity 

> 0.999 coefficient of deviation (1.000 to 100.000µL) 

Minimum sample required 

10µL, using low volume inserts 

Sample temperature control (optional) 

4 to 40°C, programmable in 1°C increments 

Column heater(optional)

20 to 65°C, in 1°C increments (5°C above ambient) 

Column heater/cooler (optional) 

Ambient minus 15°C or 4°C (whichever is greatest) up to 65°C, in 1°C increments 



This refurbished Waters Alliance 2695 HPLC system with Waters 2420 ELS Detector, or Waters 2996 PDA Detector, or Waters 2414 RID, or Waters 2475 Multi-Wavelength Fluorescence Detector, or Waters 2489 UV/Vis Detector, or Waters 2465 Electrochemical Detector are all in great condition
. it have been tested at SpectraLab.

A 90 day warranty is included.

We are professionals. We encourage you to contact us to speak with one of our expert and professional team. Thanks for looking and we look forward to hearing from you!

 
 
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