Datasheet > R331-05_15

R331-05_15

更新时间： 2024-11-21 01:26:27

品牌	Logo	应用领域
HAMAMATSU		/
页数	文件大小	规格书
2页	58K
描述
For Liquid Scintillation Counting, Photon Counting Application 51mm (2 Inch) Diameter, Bialkali Photocathode, 12 Stages, Head-On Type

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R331-05_15 数据手册

PHOTOMULTIPLIER TUBE

R331-05

For Liquid Scintillation Counting, Photon Counting Application

51mm (2 Inch) Diameter, Bialkali Photocathode, 12 Stages, Head-On Type

SPECIFICATIONS

GENERAL

Parameter

Description / Value

Unit

—

Spectral Response

Wavelength of Maximum Response

300 to 650

420

Bialkali

MateriaI

Minimum Effective Area

Material

Shape

Photocathode

Low K content borosilicate glass (Frosted)

Window Material

Dynode

Concave-Convex

Linear focused

Structure

Number of Stages

Anode to Last Dynode

Anode to All Other Electrodes

2.5

Direct Interelectrode

Capacitances

Base

SuitabIe Socket

Weight

21-pin glass base

E678-21C (supplied)

150

Operation Ambient Temperature

Storage Temperature

-30 to +50

-80 to +50

°C

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter

Value

2500

500

Unit

Between Anode and Cathode

Supply Voltage

Between Anode and Last Dynode

Average Anode Current

0.2

CHARACTERISTICS (at 25 °C)

Parameter

Min.

9.0

—

Typ.

10.5

120

1.1 × 10⁵

1.3 × 10⁶

1000

Max.

—

2000

—

Unit

µA/lm

—

Luminous (2856K)

Cathode Sensitivity

Blue Index (CS 5-58 filter)

Quantum Efficiency at Peak Wavelength

Luminous (2856K)

A/lm

A/W

—

Anode Sensitivity

Gain

Radiant at Peak Wavelength

Anode Dark Current (after 30 min storage in darkness)

Dark Counts

Background Noise*

s^-1

m^-1

Anode Pulse Rise Time

—

2.6

Time Response

Pulse Linearity

Electron Transit Time

Transit Time Spread (FWHM)

2 % Deviation

—

1.1

—

5 % Deviation

* Background noise is the noise count measured as a pair at Hamamatsu Photonics K.K. with coincident resolving time (τ) of 25 ns.

It includes noise counts by natural radiation and chance coincident counts per minute is calculated by (2 × N1 × N2 × τ) × 60 where N1 and N2 are

dark counts per second of each PMT used as a pair.

VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE

Dy1

Dy2

Dy3

Dy4

Dy5

Dy6

Dy7

Dy8

Dy9 Dy10 Dy11 Dy12

Electrodes

Ratio

1.4

SuppIy Voltage: 1500 V, K: Cathode, Dy: Dynode, P: Anode, G: Grid

* Shield should be connected to Dy5

Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are

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