The Waters 2410 Differential Refractometer is a differential refractive index detector designed for high performance liquid chromatography applications. It can operate as a stand-alone unit with an integrator or chart recorder, or with a Waters system controller or Waters data system. Features: * Patented countercurrent heat exchanger and temperature-controlled cell for stable operation under varying conditions * Auto zero and auto purge for automated operation * Built-in pressure relief to protect flow cell * Auto diagnostics * Two external column heater controls * Battery backup to retain parameter settings when the detector is powered off or during power interruptions * Long-life LED light source This refurbished Waters 2410 Differential Refractometer is really in a great shape and is tested at SpectraLab Scientific. A 90 days warranty is included. We are professional to the stuffs. We encourage you to contact us to speak with one of our expert and professional team members. Thanks for looking and we look forward to hearing from you!