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Typical gain at 2.8 kV applied voltage |
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1 x 10e8 |
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Typical wall resistance |
Mohm |
60 - 80 |
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Pulse height distribution at 2.8 kV and 3.000 cps |
% |
<80 |
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Dark count rate above a threshold of - 5 mV |
cps |
< 0.02 |
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Maximum count rate |
cps |
15 Mio |
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Typical pulse width (FWHM) at 2.3 kV |
nsec |
8 |
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Operating voltage |
kV |
max. 3.5 |
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Temperature (operating and storage) |
°C |
max. 70 |
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Bake temperature in vacuum |
°C |
max. 250 |
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The electro-optical specifications of the Extended Dynamic Range CEMs are valid for all models. Different are the sizes of the entrance funnels, the shape of the funnels (round, rectangular or square), and the angles between funnels and the CEM bodies. The dark count rates depend on the CEM opening and are at a minimum for smaller openings. Figures 1 - 6 show typical data plots for the Extended Dynamic Range CEMs measured with our test equipment. |
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Selection Guide Extended Dynamic Range Type CEMs |
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Circular Openings
| Opening |
Model |
Model |
Model |
5 mm |
 |
 |
 |
| Model name |
KBL 5RS-EDR |
KBL 5RS/45-EDR |
KBL 5RS/90-EDR |
10 mm |
 |
 |
 |
| Model name |
KBL 10RS-EDR |
KBL 10RS/45-EDR |
KBL 10RS/90-EDR |
| 15 mm |
 |
 |
 |
| Model name |
KBL 15RS-EDR |
KBL 15RS/45-EDR |
KBL 15RS/90-EDR |
20 mm |
 |
 |
 |
Model name |
KBL 20RS-EDR |
KBL 20 RS/45-EDR |
KBL 20RS/90-EDR |
25 mm |
 |
 |
 |
Model name |
KBL 25RS-EDR |
KBL 25RS/45-EDR |
KBL25RS/90-EDR |
Rectangular Openings
Opening |
|
|
Opening |
|
| 2 x 10 mm |
 |
|
5 x 10 mm |
|
| Model name |
KBL 210-EDR |
|
Model name |
KBL 510-EDR |
| 4 x 8 mm |
 |
|
5 x 15 mm |
 |
| Model name |
KBL 408-EDR |
|
Model name |
KBL 1505-EDR |
| 5 x 5 mm |
 |
|
10 x 10 mm |
|
| Model name |
KBL 505-EDR |
|
Model name |
KBL 1010-EDR |
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