Krios G4

Retired atomic-resolution cryo-TEM with compact design; SPA, cryo-ET & MicroED optimized; E-CFEG with 1.2 Å resolution

• Status: Active
• Country: USA
• Electron gun type : Cold FEG
• Electron gun type : Extreme FEG
• Standard detectors : Falcon 4; Ceta D; HAADF STEM
• Optional detectors : Selectris/Selectris X, Gatan BioContinuum
• Cryo : Yes
• STEM : Yes
• STEM parameters: HAADF, on-axis BF/DF
• Additional analytical capabilities (EDS/EDX ; EELS; SAED;NBD; others) : SPA, cryo-ET, MicroED; FFI, AFIS, APM
• Electron optics : X-FEG or E-CFEG, 3-condenser lens, AFIS, FFI
• Resolution : 1.2 Å (Apoferritin); 2.0 Å (Hemoglobin); Info limit 0.12 nm
• Optical column : C-TWIN lens, 11 mm pole piece; 3-lens illumination system
• Electron beam resolution : <0.3 eV energy spread (E-CFEG); 0.12 nm info limit
• Accelerating voltage : 80 – 300 kV
• Image parameters : FFI, AFIS, real-time motion correction, EPU Multigrid
• Chamber : <3.0 m system height; improved ergonomics
• Camera details : Falcon 4 Direct Electron Detector (optional)
• Stage parameters : 4-axis specimen stage with ±70° tilt; cryo single-axis holder
• Holder Types : Autoloader cassette (12 grids); compatibility with Glacios/Talos
• Sample size: 12-grid cassette (Autoloader)
• Aberration Correction type : AFIS (aberration-free image shift); optional Cs corrector
• Cooling system : LN2 autofill; cryo-transfer ready
• Environmental requirements : Room size 17×22×10 ft; stable temp required
• Dimensions and Weight: Height <3.0 m; width/length -