These demo units—Hitachi TM3030Plus Tabletop SEM, TM4000Plus II Tabletop SEM, SU3800 SEM and SU8700 Ultra-High Resolution Schottky FESEM—are all in outstanding working order, having undergone regular servicing and calibration to maintain optimal performance. Each system offers high-resolution imaging (varies within the 4 available models) and reliable analysis, making them ideal for diverse research and industrial applications. With up-to-date maintenance records, these units are fully operational and ready for immediate use, ensuring consistent and precise results for any user. Quasi-S offers these units for sale and welcomes you to visit and try them out firsthand to experience their capabilities.