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Photon counting head
H17712-01
The H17712 series is a photon counting head device consisting of a metal package photomultiplier tube, along with a high-speed photon counting circuit and a high-voltage power supply circuit. The high voltage supply for photomultiplier tube and the discrimination level are preset to optimum values, allowing photon counting measurement by just connecting a +5 V supply.
These have also over light detection function to output a signal at the state that output counts fall by excessive incident light. By this signal, measurement data can be judged that it is normal or not.
The H17712 series is high count linearity model. Compared to H10682 series, count linearity has expanded by a factor of 4.
Specifications
| Photocathode Area Shape | Round |
|---|---|
| Photocathode Area Size | Dia.8 mm |
| Wavelength (Short) | 230 nm |
| Wavelength (Long) | 870 nm |
| Wavelength (Peak) | 400 nm |
| Dimension (W x H x D) | 22.0 mm x 36.0 mm x 40.0 mm |
| Input Voltage | +4.75 V to +5.25 V |
| Max. Input Voltage | 6 V |
| Max. Input Current | 40 mA |
| Count Senstitivity at 300 nm Typ. | 2.7 x 105 s-1・pW-1 |
| Count Senstitivity at 400 nm Typ. | 3.6 x 105 s-1・pW-1 |
| Count Senstitivity at 500 nm Typ. | 2.8 x 105 s-1・pW-1 |
| Count Senstitivity at 600 nm Typ. | 2.0 x 105 s-1・pW-1 |
| Count Senstitivity at 700 nm Typ. | 1.2 x 105 s-1・pW-1 |
| Count Senstitivity at 800 nm Typ. | 3.0 x 104 s-1・pW-1 |
| Count Linearity | 20 x 106 s-1 |
| Dark Count Typ. | 600 s-1 |
| Dark Count Max. | 1000 s-1 |
| Pulse-pair Resolution | 5 ns |
| Output Pulse Width | 3 ns |
| Output Pulse Height Min. | 2 V |
| Output Pulse Height Typ. | 2.2 V |
| Recommended Load Resistance | 50 Ω |
| Signal Output Logic | Positive logic |
| Operating Ambient Temperature | +5 ℃ to +40 ℃ |
| Storage Temperature | -20 ℃ to +50 ℃ |
| Weight | 47 g |
Dimensional outline (Unit: mm)
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