SpectraMax® i3x Multi-Mode Microplate Reader measures absorbance, fluorescence, luminescence and HTRF detection modes. The SpectraMax® M Series Multi-Mode Microplate Readers measure UV and visible absorbance, fluorescence, luminescence, fluorescence polarization, TRF and HTRF. Standard features include a cuvette port, spectral scanning in 1 nm increments, and up to six wavelengths per read.