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The Waters Alliance e2695 Separations Module provides the flexibility and ruggedness needed to accommodate an enormous range of HPLC separation challenges.

 

Specifications:
Number of solvents	One to four
Solvent Conditioning	Vacuum degas, two operating modes, four chambers, <500µL internal volume per chamber
Flow Rate Range	0.000 to 10.000 mL/min (0.050 to 5.000 mL/min typical) in 0.001 mL/min increments
Compressibility Compensation	Automatic and continuous
System Delay Volume	<650µL, independent of backpressure at 1 mL/min
Plunger Seal Wash	Integral, active, programmable
Gradient Profiles	11 gradient curves (including linear, step, concave, and convex)
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 rate
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
Composition Precision	≤ 0.15% RSD or ≤ 0.02 min SD, whichever is greater, based on retention time
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 Accuracy	±1% or 10µL/min, whichever is greater, 0.200 to 5.000 mL/min, (degassed methanol, at 600 psi backpressure)
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 80 µL
Sample Carryover	≤ 0.01% for caffeine, under specified conditions
Injection Needle Wash	Integral, active, programmable
Injection Accuracy	±1µL (± 2%) (50 µL, N=6)
Standard Sample Vial	2 mL
Advanced Operations	Priority samples Auto additions Auto standards
Injection Volume Range	0.1 to 100.0 µL, standard; 0.1 to 2000.0 µL, with optional sample loop
Injector Linearity	>0.999 coefficient of deviation (1.000 to 100.000µL)
Minimum Sample Required	10µL, using low volume inserts
Dimensions	18" W x 22.5" D x 22.5" H (45.7 x 57.1 x 57.1 cm)
Weight	100 lbs. (45.5 kg)
Power	950 VA (maximum)