Photon counting head
The H13467 series is a wide sensitive area photon counting head device containing a 25 mm (1") diameter head-on photomultiplier tube, a high-voltage power supply circuit and a photon counting 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. The H13467 series has a function of over light detection output for indicating the excessive light operating condition.
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.22 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||650 nm|
|Wavelength (Peak)||375 nm|
|Dimension (W x H x D)||33.0 x 43.0 x 60.0 mm|
|Input Voltage||+4.75 to +5.25 V|
|Max. Input Voltage||+6 V|
|Max. Input Current||100 mA|
|Count Senstitivity at 300 nm Typ.||1.4 x 105 s-1・pW-1|
|Count Senstitivity at 400 nm Typ.||2.7 x 105 s-1・pW-1|
|Count Senstitivity at 500 nm Typ.||1.7 x 105 s-1・pW-1|
|Count Senstitivity at 600 nm Typ.||4.6 x 104 s-1・pW-1|
|Count Linearity||6.0 x 106 s-1|
|Dark Count Typ.||15 s-1|
|Dark Count Max.||80 s-1|
|Pulse-pair Resolution||18 ns|
|Output Pulse Width||9 ns|
|Output Pulse Height Min.||+2.0 (50Ω load) V
+4.0 (Un-terminated) V
|Recommended Load Resistance||50 Ω|
|Signal Output Logic||Positive logic|
|Operating Ambient Temperature||+5 to +40 ℃|
|Storage Temperature||-20 to +50 ℃|
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