H10721-01

The H10721-01 is a compact, high-sensitivity photon counting module featuring:

Integrated photomultiplier tube (PMT) with bialkali photocathode
Built-in thermoelectric cooler (-20°C below ambient)
USB 2.0 interface for easy PC connection
Designed for ultra-low-light detection in scientific and industrial applications

Parameter	Specification
Detector Type	Bialkali PMT (Sb-K-Cs)
Spectral Range	300-650 nm
Peak Wavelength	420 nm
Photon Detection Efficiency	25% @ 420nm
Dark Count Rate	<50 cps (cooled)
Max Count Rate	5 MHz
Timing Resolution	3 ns FWHM
Cooling Capacity	ΔT = -20°C (max)
HV Adjustment	500-1000V (software)
Power Supply	12V DC, 1.5A max
Interface	USB 2.0
Operating Temp.	0°C to +40°C
Dimensions	φ60 × 65 mm
Weight	350 g

Maxi International (HK) Co., Limited