3B Scientific Geiger-Muller Tube T User Manual

3B SCIENTIFIC

Geiger-Muller Tube 1000661

Instruction sheet

10/12 ALF

®

PHYSICS

1 Window
2 Holder
3 Patch cord
4 BNC connector

1. Safety instructions

The window is fragile and can easily be dam­aged. This will make the end-window counter
inoperable.

• Do not touch the window.

The G-M tube can be damaged by self­maintained gas discharges, if operated at too
high a voltage.

• Do not exceed the operating voltage of 500

V in a sustained manner.

2. Description

The Geiger-Muller tube is a self-quenching
Halogen -trigger counter tube for registering
and X radiation.
The G-M tube comprises a counter tube with a

A TELTRON Product from UK3B Scientific Ltd. ▪ Suite 1 Formal House, Oldmixon Crescent ▪ Weston-super-Mare

Somerset BS24 9AY ▪ Tel [phone] ▪ Fax [phone] ▪ e-mail [e-mail]

Technical amendments are possible

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very thin mica window and a removeable holder
for mounting on the swivel arm of the X-ray ap­paratus (1000657 or 1000660) and a plated
spring clip for alternative mounting. A BNC­terminated coaxial cable connects the output of
the G-M tube to a counter.

2. Technical data

Dose rate range: 10-3 to 102 mGy/h
Mass of the active

surface (mica): 2.0 to 3.0 mg/cm²
Operating voltage: 500 V
Output connector: BNC
Cable length: 1 m
Dimensions: 57 x 22 mm diam.