Geiger-Muller Tube
Product Code : EL-AS-10807
Quick Answer: Geiger-Muller Tube is a halogen quenched metal tube with a thin end window for detecting alpha, beta and gamma radiation, recommended as a general purpose tube for use with radioactive sources.
Last updated: October 2026
Key Features
- Halogen quenched metal tube with a thin end window
- Detects alpha, beta and gamma radiation
- Removable plastic mesh cap over the window; body has a thin plastic coating
- Recommended supply voltage 450 V, threshold voltage maximum 400 V
- Must be used with the Geiger-Muller Tube Holder
Technical Specifications
| Specification | Value |
|---|---|
| Radiation detected | Alpha, beta and gamma |
| Recommended supply voltage | 450 V |
| Threshold voltage | Maximum 400 V |
| Plateau length | 100 V |
| Dead time (at 450 V) | 120 µs |
| Anode/cathode capacity | 3.5 pF |
| Window thickness | 2.5 - 3.0 mg cm-2 |
| Operating temperature | -40 to +75 °C |
| Overall dimensions | 76 mm x 26 mm diameter |
About This Product
As a general purpose detector, the tube is intended for radioactivity work with radioactive sources and must be fitted in the Geiger-Muller Tube Holder. A removable plastic mesh cap covers the thin end window, and the metal body has a thin plastic coating.
Frequently Asked Questions
Q1. What is the dead time of the tube?
The dead time is 120 µs at 450 V.
Q2. Does the tube need a holder?
Yes. It must be used with the Geiger-Muller Tube Holder.
Related: Atomic Structure, S-Range Scaler-Timer, Radioactive Source Protactinium Generator.
For a quotation on the Geiger-Muller Tube, contact School Equipments India.
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