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Thermal desorption spectrometer TDS 40A1
The TDS 40A1 is designed for Temperature Programmed Desorption (TPD) applications.
- Description
- Technical Data
- Features
- Options
Description
TPD involves heating a sample under UHV conditions and simultaneously measuring a number of desorbing gas species as a function of sample temperature. A custom designed conical sampling end piece ensures the best possible response to desorbing species
| Mounting flange | DN 40 CF (non-rotatable) |
| Bakeout temperature | up to 150 °C |
| Insertion length | 190 mm (other on request), OD: 36.8 mm |
| Mass range | 1 to 300 amu |
| Mass filter | quadrupole |
| Detector type | electron multiplier (EM) |
| Resolution | better than 0.5 amu |
| Sensitivity | 2×10-4 A/Torr (FC), |
| Minimum detectable partial pressure | 5×10-11 Torr (FC), 5×10-14 Torr (EM) |
| Working pressure | < 10-4 Torr to UHV (FC) < 10-6 Torr to UHV (EM) |
- Completely programmable
- Unique filament design
- Wide operation temperature range
- Quadrupole MS: 100, 200 or 300 amu
- High stability linear shift
- Differential pumping (1 stage)
