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Model KEI-10D2
This is a 4-blade manual slit with upper, lower, left and right blades adjustable independently by 4 micrometer heads. As a standard, blades are made of Tantalum, and the blade edges are cut at angle with respect to the beam axis in order to reduce edge scattering.
Modifications
There exist different versions and modifications of KEI-10D2, for example two blade version KEI-10D, or version with extended travel KEI-12.
Specification summary
| Model | KEI-10D2 | KEI-10D | KEI-12 |
| Direction | XY | X | X |
| Travel | 10 mm | 10 mm | 12 mm |
| Micrometer readout | 10 µm | 10 µm | 10 µm |
| Blade material | Tantalum | Tantalum | Tantalum |
| Blade thickness | 3 mm | 3 mm | 3 mm |
| Self weight | 2.5 kg | 1.0 kg | 1.5 kg |