Columbus Pro is a microplate washer with excellent wash performance and unique process control options. It achieves residual volumes of less than 2 μl through multiple aspiration points for each well and is equipped with the advanced Overflow wash procedure The washer can be used stand-alone as well as integrated into Tecan EIA-platforms such as Freedom EVOlyzer®. The Columbus Pro for EIA in 96-well format complies with EU Directive 98/79/EC for in-vitro diagnostic products.