Model 680 offers on-board software capabilities and validation protocol as well as optional on-board printer and temperature control. Stand alone instrument may be controlled by PC using Microplate Manager PC software. Wavelength range is 400â € “ 750 nm. Model 680 reads 96-well plate in 6 sec in Fast Read mode and performs dual wavelength reads in 10 sec. Checkmark Reader Performance Check Plate IQ/ OQ/ PQ accessory kit is available to check performance parameters of accuracy, precision, and linearity.