Specifications include, but are not limited to: Tabletop scanning electron microscope (SEM) with an integrated energy dispersive spectrometer (EDS) system for use in geosciences, chemistry, and biology. SEM Specifications: Tungsten source Accelerating voltage range of at least 1–30 kV Includes both secondary electron (SE) and backscatter electron (BSE) detectors Resolution of at least 5 nm (SE imaging) Live magnification up to at least 150,000 X Has both high-vacuum (< 0.0001 Torr) and low-vacuum modes Minimum of three stage axes (more preferred) Minimum of X-Y motorized stage axes (motorized X-Y-Z preferred) with at least 35 mm X-Y travel Can handle sample size up to 70 mm (diameter) and 35 mm (height); up to 80 mm (diameter) and 50 mm (height) preferred Includes computer hardware and software needed for operation Includes on-site installation and initial training EDS System Specifications: SSD-type (liquid nitrogen-free) Detector active area of ≥ 30 mm2 Resolution ≤ 129 eV Capable of spot analysis, line analysis, and elemental mapping Includes cables, computer hardware, and software needed for operation Includes on-site installation if not factory installedTabletop scanning electron microscope (SEM) with an integrated energy dispersive spectrometer (EDS) system for use in geosciences, chemistry, and biology. SEM Specifications: Tungsten source Accelerating voltage range of at least 1–30 kV Includes both secondary electron (SE) and backscatter electron (BSE) detectors Resolution of at least 5 nm (SE imaging) Live magnification up to at least 150,000 X Has both high-vacuum (< 0.0001 Torr) and low-vacuum modes Minimum of three stage axes (more preferred) Minimum of X-Y motorized stage axes (motorized X-Y-Z preferred) with at least 35 mm X-Y travel Can handle sample size up to 70 mm (diameter) and 35 mm (height); up to 80 mm (diameter) and 50 mm (height) preferred Includes computer hardware and software needed for operation Includes on-site installation and initial training EDS System Specifications: SSD-type (liquid nitrogen-free) Detector active area of ≥ 30 mm2 Resolution ≤ 129 eV Capable of spot analysis, line analysis, and elemental mapping Includes cables, computer hardware, and software needed for operation Includes on-site installation if not factory installed