Waters 2555 Quaternary Gradient Module
Price on request
Product number:
FA1179
Product information "Waters 2555 Quaternary Gradient Module"
| Number of solvents | Up to four: A, B,C, D |
| Solvent conditioning | Sparging: one channel per solvent |
| Flow rate range | 4.00 to 300.00 mL/min, in 0.01 mL/min increments |
| Compressibility compensation | Automatic and continuous |
| Delay volume | < 13mL |
| Plunger seal wash | Integral, active, programmable |
| Gradient profiles | 11 gradient curves, including linear, step [2], concave [4], and convex [4] |
| Priming | Self prime from solvent container on floor with dry lines |
| Maximum operating pressure | 3000 psi up to 200 mL/min; Roll off to 2500 psi at 300 mL/min |
| Composition accuracy | ± 3% absolute (full scale) from 5% to 95%; and from 4 to 260 mL/min (methanol or water step gradients) at 600 psi |
| Composition precision | Retention time variation < 0.15 min SD, (uracil/caffeine; 5, 20, 50, 150, 300 mL/min; 70:30 water/methanol dial-a-mix) |
| Primary wetted materials | 316 stainless steel, UHMWPE blend, sapphire, ruby, Tefzel (ETFE), Teflon (FEP, PTFE, PFA), Valcon H, Zirconia ceramic, Nitronic 60, and PEEK |
| Flow accuracy | ± 1.0% of required flow (methanol or water at 600 psi) at 4 to 300 mL/min |
| Leak test | Fully automatic diagnostic |