| Specification | EIGER2 R CdTe 4M | EIGER2 R CdTe 1M | EIGER2 R CdTe 500K |
|---|---|---|---|
| Number of detector modules (W x H) | 2 x 4 | 1 x 2 | 1 |
| Active area (W x H) [mm²] | 155.1 x 162.2 | 77.1 x 79.7 | 77.1 x 38.4 |
| Pixel size [µm²] | 75 x 75 | 75 x 75 | 75 x 75 |
| Total number of pixels | 2,068 x 2,162 = 4,471,016 | 1,028 x 1,062 = 1,091,736 | 1,028 x 512 = 526,336 |
| Gap width vertical / horizontal* [pixels] | 12 / 38 | - / 38 | - / - |
| Photon energy [keV] | 8 - 24.2 | 8 - 24.2 | 8 - 24.2 |
| Threshold energy [keV] | 4 - 30 | 4 - 30 | 4 - 30 |
| Energy-discriminating thresholds | 2 | 2 | 2 |
| Maximum frame rate [Hz] | 20 | 100 | 100 |
| Counter depth [bit/threshold] | 2 x 16 | 2 x 16 | 2 x 16 |
| Acquisition mode | simultaneous read/write with zero dead time | simultaneous read/write with zero dead time | simultaneous read/write with zero dead time |
| Maximum count rate [cps/mm²] | 9.8 x 10⁸ | 9.8 x 10⁸ | 9.8 x 10⁸ |
| Point-spread function [pixels] | 1 (FWHM) | 1 (FWHM) | 1 (FWHM) |
| Dimensions (W x H x D) [mm³] | 235 x 237 x 372 | 114 x 133 x 242 | 114 x 92 x 242 |
| Weight [kg] | 15 | 3.9 | 3.7 |
| Optional vacuum compatibility | yes | yes | yes |
* Plus a 2-pixel vertical gap in each module.