The refurbished Waters Alliance 2690 and 2695 HPLC systems are equipped with the Waters 2996 PDA detector. Other Waters HPLC detectors are also available. These include the Waters 996 Photodiode Array Detector, the Waters 2996 PDA Detector, the Waters 2998 PDA Detector, the Waters 2487 Dual Wavelength Detector, the Waters 474 Fluorescence Detector, the Waters 2475 Fluorescence Detector, the Waters 410 Refractive Index Detector. detector, the Waters 2410 RID and the Waters 2414 RID. Technical specifications: . - Solvent conditioning: vacuum degassing, two operating modes, four chambers,