3b-scientific Geiger-Muller Counter Tube User Manual download pdf

3B SCIENTIFIC

PHYSICS

Geiger-Müller Counter Tube U8533430

Instruction sheet

07/07 SP/ALF

1 Handling rod

2 BNC socket

3 Supporting clip

4 Housing

5 Protective cap

1. Safety instructions

If too high a voltage is applied, the life of the counter

tube will be reduced and its characteristic curve will

be altered (the gradient of the plateau will increase).

• Do not apply a voltage higher than 600 V.

The mica window is only 0.03 mm thick and is sub-

jected to the external atmospheric pressure.

• Caution! Do not touch the mica window.

• Replace the protective cap after each use.

The glass seal of the counter tube is not resistant to

impacts and pressure.

• Do not subject the tube to knocks.

• Handle the counter tube especially carefully

when it is taken out of its supporting clip.

2. Description

The Geiger-Müller counter tube is a halogen self-

quenching trigger counter tube for the detection of

α-, β-, γ- and X-radiation.

The counter tube consists of a chromium steel cylin-

der that is filled with an argon-neon mixture together

with a halogen gas as a quenching agent. It is closed

at one end by a very thin mica window and at the

other end by a glass seal, both of which are gas-tight.

A thin wire (the counter wire) is arranged axially in

the cylinder, which it enters through the insulating

glass seal. The counter tube is contained within a

metal housing that is fitted with a shielded connect-

ing lead and a BNC socket. A handling rod is attached

to the housing by a detachable clamp. The mica

window is protected by a removable plastic cap.

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3B SCIENTIFIC 1
PHYSICS 1

Summary of Contents

Page 1 - PHYSICS

3B SCIENTIFIC® PHYSICS 1 Geiger-Müller Counter Tube U8533430 Instruction sheet 07/07 SP/ALF 12345 1 Handling rod 2 BNC socket 3 Supportin

Page 2

Elwe Didactic GmbH • Steinfelsstr. 6 • 08248 Klingenthal • Germany • www.elwedidactic.com 3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany

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3b-scientific Geiger-Muller Counter Tube User Manual

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