· The Portman portable Raman spectrometer is equipped with a high-sensitivity spectrometer tailored for Raman detection. Compared to traditional 532 nm Raman spectrometers, the Portman achieves significantly enhanced sensitivity, capable of detecting cellular-level weak Raman signals. It is ideal for raw material screening, on-site detection, graphene synthesis reactions, biomedical applications, in vitro diagnostics, and substance analysis and identification. With convenient usage and simple operation, it provides objective and accurate results. Customers can select the most suitable model according to their specific application needs.