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

The CH299 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【799 KB/PDF】

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Specifications                                                                                                                                                            (25)

Parameter

Value

Unit

Input Voltage

+4.75+5.25

V

Max. Input Current

70

mA

Effective Area

Φ25

mm

Spectral Response

300650

nm

Peak Sensitivity Wavelength

420

nm

Peak Sensitivity Wavelength

Typ.

300nm

1.9×105

s-1·pW-1

400nm

4.4×105

500nm

3.6×105

600nm

1.1×105

Count Linearity

No corrected

5×106

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.

10

ns

Pulse-Pair Resolution

Typ.

20

ns

Recommended Load Resistance

50

Ω

Operating Ambient

Temperature

+5+45

Humidity

Max.

93%RH

--

Storage Ambient

Temperature

-20 ~ +50

Humidity

Max.

95%RH

--

Weight

280

g


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

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