The EIGER R 4M rivals CCD and image plate detectors in size but far outperforms them in collection efficiency, background noise and resolving power. This makes it the ultimate detector in cutting-edge instruments for the most demanding experiments. The unique combination of large active area and an extremely sharp point-spread function thanks to direct detection is of particular advantage in macromolecular crystallography. It allows for collecting of high-resolution data from large unit cell crystals with closely spaced reflections in a single sweep.
The high frame rate, minimal dead time and high quantum efficiency of EIGER R 4M enable sophisticated data collection protocols like the acquisition of datasets with high multiplicity for experimental phasing based on the anomalous signal from sulfur, phosphorous or native metal ions. You can collect data in extreme phi-slicing mode for optimally defined spot profiles and integrated data of higher quality. The small pixel size and sharp point-spread function allow you to take full advantage of the small focal size of state-of-the-art X-ray sources and optics and measure smaller crystals than ever before.
"While my group had access to the EIGER R 4M at our Rigaku FR-X diffractometer, we were able to test 70S and 80S ribosome crystals reliably in our X-ray facility. Because of that, our planned synchrotron time was cut by 90%."
Marat Yusupov (IGBMC, France)
|Number of detector modules||2 x 4|
|Sensitive area (width x height) [mm²]||155.2 x 162.5|
|Pixel size [µm²]||75 x 75|
|Total number of pixels||2070 x 2167 = 4,485,690|
|Gap width, vertical [pixel]||10/37|
|Inactive area [%]||5.6|
|Defective pixels [%]||< 0.03|
|Maximum frame rate [Hz]||5|
|Readout time||continuous readout, 10 μs dead time, duty cycle >99%|
|Sensor thickness [μm]||450|
|Threshold energy [keV]||2.7 - 18|
|Image bit depth [bit]||32|
|Dimensions (WHD) [mm³]||235 x 235 x 372|
|Power consumption [W]||300|
|Maximum count rate [phts/s/mm²]||5 · 10⁸|
All specifications are subject to change without notice.