Photomultiplier tube module
The H16722 series are photomultiplier tube modules with an internal high-voltage power supply circuit and a cooler installed to the metal package photomultiplier tube having a GaAsP/GaAs photocathode. Efficient cooling was achieved by placing the cooler near the photomultiplier tube to reduce thermal noise emitted from the photocathode and a high S/N ratio can be obtained even at extremely low light levels. The H16722-40 series have high sensitivity in the 300 nm to 740 nm wavelengths. The photomultiplier tube is maintained at a constant temperature by monitoring the output from a thermistor installed near the photomultiplier and then regulating the current to the thermoelectric cooler.
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.5 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||740 nm|
|Wavelength (Peak)||520 nm|
|Dimension (W x H x D)||56.0 mm x 36.0 mm x 104.0 mm|
|Input Voltage||+11.5 to +15.5 V|
|Max. Input Voltage||+18 V|
|Max. Input Current||30 mA|
|Max. Output Signal Current||40 μA|
|Max. Control Voltage||+0.9 V|
|Recommended Control Voltage Adjustment Range||+0.5 V to +0.8 V|
|[Cathode] Radiant Sensitivity Typ.||189 mA/W (at 520 nm)|
|[Anode] Radiant Sensitivity Typ.||1.9 x 105 A/W (at 520 nm)|
|[Anode] Dark Current (after 30min.) Typ.||0.4 nA|
|[Anode] Dark Current (after 30min.) Max.||1 nA|
|[Time Response] Rise Time Typ.||1 ns|
|Ripple Noise (peak to peak) Max.||0.6 mV|
|Settling Time Max.||0.2 s|
|Operating Ambient Temperature||+5 ℃ to +35 ℃|
|Storage Temperature||-20 ℃ to +50 ℃|
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