Delong Instruments
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| Brand | Delong Instruments |
|---|---|
| Origin | Canada |
| Model | LVEM25 |
| Acceleration Voltages | 10, 15, 25 kV |
| Magnification Range | 1,000× – 470,000× |
| Spatial Resolution | 1 nm |
| Imaging Modes | TEM, SEM, Electron Diffraction (ED) |
| Vacuum System | Ion Pumps at Gun & Specimen Chambers |
| Electron Source | Schottky Field Emission Gun |
| Footprint | Benchtop |
| Power Requirements | Standard 120/240 V AC, No Chilled Water or Cryogens Required |
| Brand | Delong Instruments |
|---|---|
| Origin | Canada |
| Model | LVEM 25E |
| Acceleration Voltages | 10 kV, 15 kV, 25 kV |
| Imaging Modes | TEM, STEM, SEM (BSE), EDS, Electron Diffraction (ED) |
| Resolution | ≤1.0 nm |
| Footprint | Compact, Single-Phase Power Only |
| Compliance | Designed for GLP-compliant labs |
| Brand | Delong Instruments |
|---|---|
| Origin | Canada |
| Acceleration Voltages | 5, 10, 15, 25 kV |
| Maximum Magnification | ~1,300,000× |
| TEM Resolution (LVEM 5) | 1.5 nm |
| TEM Resolution (LVEM 25 / LVEM 25E) | 1.0 nm |
| Electron Source | Schottky Field-Emission Gun |
| Operating Modes | TEM, STEM, SEM, ED, EDS, Dark-Field TEM/STEM |
| Sample Exchange Time | ≤3 min |
| Cooling Water Required | No |
| Compressed Air Required | No |
| Brand | Delong Instruments |
|---|---|
| Origin | USA |
| Model | LVEM5 |
| Accelerating Voltage | 5 kV |
| Maximum Magnification | 700,000× |
| TEM Resolution | 1.5 nm (with TEM upgrade option) |
| SEM Resolution | 10 nm |
| STEM & ED Capabilities | Integrated |
| Sample Chamber | Ambient-pressure compatible, no external cooling required |
| Dimensions | Compact benchtop footprint (~1/10 volume of conventional TEM) |
| Electron Source | Inverted Schottky field-emission gun (FEG), >2000 h lifetime |
| Brand | Delong Instruments |
|---|---|
| Origin | Canada |
| Model | LVEM5 (Biological) |
| Accelerating Voltage | 5 kV |
| Maximum Magnification | 700,000× |
| Resolution (unstained biological samples) | 1.5 nm |
| Imaging Modes | TEM, SEM, STEM |
| Vacuum Pump-Down Time | ≤3 min |
| Footprint | <1 m² |
| Operating Environment | Standard laboratory (no external cooling, no high-vacuum infrastructure required) |