Critical Potentials of an atomic gas filled in Electronic Valve with Power Supply and 1 digital meter Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12310
Indian Lab Suppliers supplies the Critical Potentials of an atomic gas filled in Electronic Valve with Power Supply and 1 digital meter (Product ID: 12310) as part of its electronics engineering lab equipment range. It measures the excitation and ionisation potentials of the gas inside a gas-filled tetrode valve.
Quick Answer
The directly heated tetrode is mounted on the panel, with its filament fed from 6.3 V AC (600 mA). A 0-20 V DC continuously variable supply accelerates the electrons, a fixed 1.5 V DC (20 mA) IC-regulated supply is also provided, and a 3½-digit digital voltmeter (20 V DC) reads the accelerating voltage. Plotting plate current against accelerating voltage shows a dip where electrons lose energy in exciting gas atoms and a sharp rise where they ionise them, giving the excitation and ionisation potentials. The very small plate current is read on a digital nanoammeter, which is required and not included. Please confirm the fill gas at quotation. The valve is glass and gets hot; handle it with care.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiments | Excitation potential and ionisation potential of the gas in the valve |
| Valve | Directly heated gas-filled tetrode, panel mounted |
| Filament supply | 6.3 V AC at 600 mA |
| Supplies | 0-20 V DC at 20 mA, continuously variable; 1.5 V DC at 20 mA, IC regulated |
| Meter | 3½-digit digital voltmeter, 20 V DC |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch and fuse |
| Also required (not included) | Digital nanoammeter |
Where This Is Used
Used in atomic-physics practicals on electron-atom collisions. Related: Ionisation Potential of Mercury using gas filled diode with Power Supply and 2 digital meters (V.V.) (C.R.) (Product ID: 12305) and Electrical Thermionic Fundamentals Trainer or Work Function of Tungsten & Richardson's Equation (V.V.) (C.R.) (Product ID: 12306). Browse the full Electronics Engineering Lab Equipment range or related Physics Lab Equipment products.
Frequently Asked Questions
What potentials can be measured?
The excitation and ionisation potentials of the gas.
Why is a nanoammeter needed?
The plate current is very small; a digital nanoammeter is required.
Which gas is in the valve?
Please confirm the fill gas at quotation.
Related Categories
Electronics Engineering Lab Equipment · Physics Lab Equipment · Electronics Lab Equipment
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