Teltron Tube - Perrin Manufacturer,Supplier and Exporter in India
Product Code : EL-AS-10828
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Product Description
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
The electron beam can be deflected using two methods:
Electrically - using the electric field of the built-in plate capacitor Magnetically - using external Helmholtz Coils
Cathode ray tube operation may also be demonstrated, using a 'secondary coil' for the transverse field.
The Perrin tube comprises a standard spherical glass body with a cylindrical neck containing a diode electron gun with filament and cylindrical anode, and a Faraday's pail in the sphere, at 45° to the axis.
You are also able to determine the fundamental electron charge-to-mass ratio (e/m) and study mean electron velocities using field cancellation.
The Perrin Tube may be used to show that charge can be accumulated in the Faraday pail incorporated,
that the charge does not disappear when the filament is switched off and therefore that cathode rays must consist of charged particles.
Electron deflection sensitivity may be measured using Helmholtz coils to deflect the beam.
Connections to the diode electron gun are via 4mm sockets in the moulded cap and the Faraday's pail connection is via a 4mm plug in 1 of the side caps.
The end of the sphere ihas an internal phosphor coating providing a luminescent screen.
Technical Specifications:
Maximum capacitor voltage: 500 V
Typical Operation at 4000V: Anode current: 1.8mA, Beam current: 4µA
Maximum filament voltage: =7.5V AC/DC
Maximum anode voltage: 5 kV
Requires the following products to operate:
Universal Stand
Bench Power Supply - to power the filament
4mm Leads
Helmholtz Coils
EHT Power Supply - to power the anode
EHT Experiment Leads (3 required)
College Power Supply Unit - to power the Helmholtz Coils
Further Information
Curriculum Link
Atomic Physics
Maximum Anode Voltage
5kV
Maximum Capacitor Voltage
500 V
Maximum Filament Voltage
Less than or equal to 7.5V AC/DC
Product Type
Teltron Tube
Typical Anode Current at 4000V
1.8mA
Typical Beam Current
4µA
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Teltron Tube - Perrin Manufacturer and supplier in India
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