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Photon counting headsCurrent Location:Home > Products > Photon counting heads

The CH326 is a photon counting head device consisting of a head-on photomultiplier tube,a high-voltage power supply and a comparative shaping circuit.This device is mainly used for weak light detection and precise measurement in the field of biology,medicine,chemistry and so on.The product is preset to optimum values,allowing photon counting measurement by just connecting a supply.

Catalog【425 KB/PDF】

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Specifications                                                                                                                                                            (25)

Parameter

Value

Unit

Input Voltage

+11.5 ~ +12.5

V

Max. Input Current

70

mA

Effective Area

Φ25

mm

Spectral Response

300 ~ 650

nm

Peak Sensitivity Wavelength

420

nm

Count Sensitivity

Typ.

300nm

1.9×105

s-1·pW-1

400nm

4.4×105

500nm

3.6×105

600nm

1.1×105

Count Linearty

No corrected

6×106

s-1

Corrected

20×106

Dark Count

Typ.

60

s-1

Max.

150

Consistency

±10%

--

Instability for 8 hoursCV

Typ.

1%

--

Signal Output Logic

Positive TTL

--

Output Pulse Height

Min.

2

V

Typ.

2.2

Output Pulse Width

Typ.

9

ns

Pulse-Pair Resolution

Typ.

17

ns

Recommended Load Resistance

50

Ω

Operating Ambient

Temperature

+5 ~ +40

Humidity

Max.

90%RH

--

Storage Ambient

Temperature

-20 ~ +50

Humidity

Max.

93%RH

--

Weight

435

g


Friends links:  Hamamatsu Photonics K.K.    Hamamatsu Photonics (China) Co.,Ltd.

Copyright: Beijing Hamamatsu Photon Techniques INC.     Production:  0316-5970168/166/165    Others:  010-63706370    E-mail:sctj@bhphoton.com

Beijing ICP 01020304 Technical support: 35.com

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