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. 3.8 x 105 A/W (at 520 nm)
[Anode] P Type Dark Count Typ. 100 s-1
[Anode] P Type Dark Count Max. 300 s-1
[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 ℃
Weight 453 g

Dimensional outline (Unit: mm)

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