The H7826 series photosensor modules consist of a 19 mm (3/4") diameter head-on photomultiplier tube and a high-voltage power supply circuit. The length of the photomultiplier tube used here is short compared to other photomultiplier tubes of the same diameter, making it compact even though it has a large light input diameter of 15 mm. The H7826 series also has excellent resistance to vibration and shock compared to other photomultiplier tubes, making it ideal for use in portable equipment.
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.15 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||650 nm|
|Wavelength (Peak)||420 nm|
|Dimension (W x H x D)||26.0 x 50.0 x 56.0 mm|
|Input Voltage||+11.5 to +15.5 V|
|Max. Input Voltage||18 V|
|Max. Input Current||40 mA|
|Max. Output Signal Current||100 μA|
|Max. Control Voltage||1.2 V|
|Recommended Control Voltage Adjustment Range||+0.5 to +1.1 V|
|[Cathode] Luminous Sensitivity Min.||60 μA/lm|
|[Cathode] Luminous Sensitivity Typ.||90 μA/lm|
|[Cathode] Blue Sensitivity Index (CS 5-58) Typ.||10.5|
|[Cathode] Red/White Ratio Typ.||-|
|[Cathode] Radiant Sensitivity Typ.||85 mA/W|
|[Anode] Dark Current (after 30min.) Typ.||3 nA|
|[Anode] Dark Current (after 30min.) Max.||20 nA|
|[Anode] P Type Dark Count Typ.||200 s-1|
|[Anode] P Type Dark Count Max.||500 s-1|
|[Time Response] Rise Time Typ.||1.5 ns|
|Ripple Noise (peak to peak) Max.||0.5 mV|
|Settling Time Max.||0.2 s|
|Operating Ambient Temperature||+5 to +45 ℃|
|Storage Temperature||-20 to +50 ℃|
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