Shimadzu SPD-M20A

This used Shimadzu SPD-M20A is a photodiode array detector designed for the Prominence HPLC series, providing full spectral scanning capability across a wide wavelength range for each peak eluting from the column. It allows analysts to capture complete UV-Vis spectra in real time, which is valuable for peak identification, purity confirmation, and method development work where a single fixed wavelength detector would not provide enough information. The detector's high sensitivity and low noise design make it a strong complement to Prominence pumps and autosamplers. Laboratories use the SPD-M20A for pharmaceutical analysis, forensic and food testing, and general quality control chromatography where spectral confirmation of analyte identity is important alongside quantitation. Its photodiode array technology supports three dimensional chromatogram data, letting chemists review absorbance across wavelength and time simultaneously, which speeds up troubleshooting and helps confirm co-eluting compounds. This pre-owned SPD-M20A detector has prior laboratory use and is offered to labs looking to add or replace a PDA detector on an existing Shimadzu HPLC system. It is a sound option for analytical teams that want proven detection performance without the expense of a brand new instrument.