Micro-PMT photon counting head
The H12406 is a photon counting head that contain a Micro PMT, a high voltage power supply circuit and a photon counting circuit.
This photon counting head can be easily operated with a low voltage supply.
|Spectral response||300 to 650||nm|
|Peak sensitivity wavelength||420||nm|
|Effective area||3 × 1||mm|
|Window material||Borosilicate glass||-|
|Dynode number of stages||12||-|
|Input voltage||+4.75 to +5.25||V|
|Max. Input voltage||+6||V|
|Max. Input current||40||mA|
|Count sensitivity||Typ.||300 nm||1.7 × 105||s-1・pW-1|
|400 nm||3.6 × 105|
|500 nm||2.6 × 105|
|600 nm||4.3 × 104|
|700 nm||1.4 × 102|
|Count linearity (*1)||5.0 × 106||s-1|
|Dark count (*2)||Typ.||10||s-1|
|Output pulse width||10||ns|
|Output pulse height (at load resistance 50 Ω)||Min.||+2.0||V|
|Recommended load resistance||50||Ω|
|Signal output logic||Positive logic||-|
|Excessive light detection output (*3)||Excessive light incident||Min.||+3.5||V|
|Operating ambient temperature (*4)||+5 to +50||℃|
|Storage temperature (*4)||-20 to +50||℃|
*1 Random pulse, at 10% count loss
*2 After 30 minute storage in darkness
*3 Load resistance 10 kΩ
*4 No condensation
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