Datasheet > R8811_15

R8811_15

更新时间： 2024-01-03 01:40:58

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描述
ELECTRON MULTIPLIER

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R8811_15 数据手册

ELECTRON MULTIPLIER

R8811

For Compact Mass Spectrometers

OVERVIEW

Quadrupole mass spectrometers used for residual gas analyzers

have been downsized to solve problems of limited installation

space. A trend of the downsizing would be an ever-greater de-

gree in the future. However, it cannot be achieved just by reduc-

ing the ion source and Quadrupole electrode sizes. Small ion

detector is also required essentially. To meet the requirement,

Hamamatsu has developed a compact ion detector. The unique

ion detector breaks the performance barriers on conventional

electron multipliers and will prove the ideal result for your needs.

Figure 1: Typical Gain

SPECIFICATIONS

TEM B0060EB

10⁷

GENERAL

Parameter

Input Aperture Diameter

Dynode Structure

Number of Dynode Stages

First Dynode Material

Total Built-in Resistance

Operating Ambient Temperature

Storage Temperature

Description / Value

Unit

—

MΩ

°C

—

Circular cage

Al²O3

-30 to +50

-80 to +50

Positive

10⁶

10⁵

10⁴

10³

10²

Polarity of Detected Ions

MAXIMUM RATINGS

Parameter

Anode to First Dynode Voltage

Anode to Last Dynode Voltage

Faraday Cup Voltage

Value

-2000

200

1 × 10^-2

350

Unit

Operating Vacuum Level

Bake-Out Temperature (at 5 × 10^-3Pa)

Average Anode Current ^A

Operating Gain

°C

µA

—

1 × 10⁷

-1000

-1500

-2000

CHARACTERISTICS

Parameter

Recommened Supply Voltage

Gain (Typ.)

DC Linearity (Typ.)

Dark Current (Max.)

SUPPLY VOLTAGE (V)

Value

-1500

1 × 10⁵

1.6

Unit

—

µA

Rise Time (Typ.)

Anode to All Other Electrode Capacitance

0.75

NOTE: A Averaged over any interval of 30 seconds maximum.

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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