Photon counting head
The H9319 series photon counting heads are designed to perform photon counting by just connecting to a PC. The H9319 series includes a 25 mm (1") diameter head-on photomultiplier tube, a photon counting circuit, a high-voltage power supply circuit, counter and a microprocessor. Data transfer, measurement time and other necessary adjustments can be controlled by commands from the PC through the RS-232C interface. Since the H9319 series performs linearity correction by the internal microprocessor, it provides excellent count linearity within a range of +/-1 % at 20 x 106 s-1.
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.22 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||650 nm|
|Wavelength (Peak)||420 nm|
|Dimension (W x H x D)||Dia. 35 x 120.0 mm|
|Input Voltage||+4.75 to +5.25 V|
|Max. Input Voltage||6 V|
|Max. Input Current||60 mA|
|Count Senstitivity at 300 nm Typ.||2.3 x 105 s-1・pW-1|
|Count Senstitivity at 400 nm Typ.||4.1 x 105 s-1・pW-1|
|Count Senstitivity at 500 nm Typ.||3.4 x 105 s-1・pW-1|
|Count Senstitivity at 600 nm Typ.||5.7 x 104 s-1・pW-1|
|Count Linearity||2.0 x 107 s-1|
|Dark Count Typ.||150 s-1|
|Dark Count Max.||300 s-1|
|Operating Ambient Temperature||+5 to +50 ℃|
|Storage Temperature||-20 to +50 ℃|
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