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Physics - Energy and the Environment

Physics -Energy and the Environment

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Free Electrons in Gases and in Vacuum :Teltron Critical Potential Tube S with Ne-Filling
  Hertz electron tube for quantitative investigations of inelastic collisions of electrons with inert gas atoms, determination of ionization and excitation energies of neon, resolution of the energy states of various primary and orbital angular-momentum quantum numbers, as well as demonstrating meta-stable states. Includes shielding as well as a discharge tube and battery unit for the collector voltage (battery included in the s..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Diode S
High-vacuum electron tube with thermionic cathode for demonstrating the thermoelectric effect (Edison effect). Use the tube to investigate the relationship between measured emission current and the voltage applied to the cathode. Also investigate the characteristics of diodes via the process of rectification. Specifications Max. heater voltage: 7.5 V AC/DC Max. anode voltage: 500 V Anode current: approx. 2 mA at 200 V (Anode) ..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Discharge Tube S
For observing phenomena (for example cathode glow, positive column, canal rays) that occur during electrical discharge in a variety of gases at various pressures. Either end of the discharge tube is equipped with a fluorescent screen, and can be unmounted and installed in tube holder U18505. Product includes a needle ventilation valve and vacuum hoses. Specification Polarization voltage: U < 5 kV Discharge current: approx. 1.2 mA..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Dual Beam Tube S
Semi-evacuated electron tube filled with low-pressure helium and containing a tangential and axial electron gun. In the case of tangential bombardment and a perpendicularly aligned magnetic field, the fundamental electron charge-to-mass ratio can be determined from the diameter of the observed beam pattern. In the case of axial bombardment and a co-axial magnetic field, kinetic gas theory (e.g. impact excitation) and particle collisions can be..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Electron Diffraction Tube S
Highly evacuated electron tube for demonstrating the wave nature of electrons through the observation of interference caused by passage of electrons through a polycrystalline graphite lattice (Debye-Scherrer diffraction) and rendered visible a fluorescent screen. Also intended for determining the wavelength as a function of the anode voltage from the radii of the diffraction rings and the lattice plane spacing of graphite, as well as confirmin..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Gas Triode S
Electron tube filled with low-pressure helium gas, and containing a thermionic cathode, control grid, and anode. This tube is for quantitative investigations of the typical properties of a gas-immersed triode, recording the current-potential (IA-UA) characteristics of a thyratron, and observing discharges and discontinuous energy release of helium atoms during inelastic collisions with free electrons. Specifications Max. heater voltag..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Gas Triode, Neon filled
For quantitative investigations of the typical properties of a gas-filled triode, recording the IA - UA characteristics of a thyratron. Observing independent and dependent discharges as well as discontinuous energy release of Ne atoms during inelastic collisions with free electrons. Cathode heating voltage: Uh < 7.5 V, Ih < 3 A Anode voltage: Ua < 300 V Grid voltage: -100 V < Ug < 100 V Additionally required:..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Luminescence Tube S
High-vacuum electron tube with divergent electron gun and three, colored fluorescent strips. Demonstrate stimulated light emission during and after electron bombardment of a phosphorus anode. The anode also fluoresces when illuminated with a focused ultraviolet light source. Specifications Max. filament voltage: 6.3 V AC Max. anode voltage: 5 kV Anode current: approx. 0.1 mA at 4 kV (anode) ..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Maltese Cross Tube S
High-vacuum electron tube with divergent electron gun aimed at a fluorescent screen partially obscured by a Maltese cross. For demonstrating the linear propagation of electrons in the absence of applied electromagnetic fields by projecting the shadow of a Maltese cross onto the fluorescent screen. Application of a magnetic field using the Helmholtz Coils S allows for students to study the fundamental science of electron optics, such as beam fo..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Perrin Tube S
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: 1) electrically using electric field of the built-in plate capacitor, or 2) magnetically using external Helmholtz Coils S (111U185051). Also determine the fundamental elect..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Thomson Tube S
High-vacuum electron tube with high-accuracy electron gun and ruled target phosphorescent screen. Determine the fundamental electron charge-to-mass ratio (e/m), study mean electron velocities using field cancellation, and explore electron optics using this tube. The electron beam trajectory can be manipulated using two methods: 1) deflection induced by the electric field of the built-in plate capacitor, or 2) magnetically using external Helmho..
£19.95
Free Electrons in Gases and in Vacuum :Teltron Triode S
High-vacuum electron tube with thermionic cathode and control grid for demonstrating the thermoelectric effect (Edison effect). Use the tube to investigate the practical applications of a triode as an amplifier and generating undamped oscillations in LC circuits. Also investigate the characteristics of triodes and let students discover the negative electron charge polarity. Specifications Max. heater voltage: 7.5 V AC/DC Max. anode ..
£19.95
Free Electrons in Gases and in Vacuum :Training Oscilloscope
Electron tube mounted on terminal base for investigating the design and operation of modern cathode ray tubes. The electron beam can be deflected by an electric field produced by the deflection plates integrated into the tube, and by a magnetic field from three external coils mounted on a ring. A Wehnelt cylinder is used to focus the beam. A gas filling and fluorescent screen makes it possible to observe the beam in the tube. A continuously ad..
£19.95
Fuel Cells : Basic Fuel Cell Car Kit
This fuel cell car kit allows you to introduce 21st century technology to your students. Use battery power to separate the water into hydrogen and oxygen. Then, disconnect the battery and watch as the gases recombine in the fuel cell to power your vehicle across the floor. The car steers itself and automatically changes its course of direction when it bumps into objects. This kit includes a detailed instruction manual. ..
£19.95
Fuel Cells : Deluxe Fuel Cell Car with Refueling Station
The Deluxe Fuel Cell Car is the working miniature version of what is being developed for real-size cars of the future. This palm-sized fuel cell car contains an onboard hydrogen storage tank, a fuel cell system connected to the car’s electric motor, and comes with a hydrogen refueling system which links the car’s storage tank to an external Hydrogen Refueling station. The car comes with Hydrogen Fueling station will provide your car with an un..
£19.95
Fuel Cells : Fuel Cell Demonstration System
Model showing the function of a hydrogen solar cell consisting of solar module, PEM electrolyser, hydrogen and oxygen accumulators, PEM fuel cell and fan. Conveniently arranged on a baseplate. Solar module: 2.0 V / 350 mA Electrolyser: 1 W Fan output: 10 mW Dimensions: approx. 100x300x150 mm³ Weight: approx. 600 g ..
£19.95
Fuel Cells : Fuel Cells for Cars
Fascinating working model of a hydrogen-fuel cell for a car. Designed for graphic demonstration of the practical use of hydrogen technology and a pioneering drive system. Special features: • Robust design guarantees long working life • Simple to operate • Only distilled water and no corrosive fluids required • Acrylic glass construction permits good visibility and thus better understanding of how fuel cells actually work Fuel cells..
£19.95
Fuel Cells : Renewable Energy Education Set
The Renewable Energy Education Set combines electronics, chemistry, and physics principles in one science set. You can even refuel your miniature fuel cell car using the modular set. This modular experiment set is designed to demonstrate clean energy technologies on a miniature scale. Using various component configurations included in this set, see how renewable energy can be harnessed, stored and re-used in a number of applications and un..
£19.95
Fuel Cells :Fuel Cell Experiment Kit
  The experiment case for fuel cells allows students to gradually investigate the world of fuel cells and solar-hydrogen technology in many illustrative and quantitative experiments. Solar-hydrogen cell system and accessories for carrying out student experiments. In storage case with foam inlay. Experiment topics: Current-voltage curve of a solar cell Power curve and efficiency of a solar cell Curren..
£19.95
Fuel Cells :Solar Hydrogen Generation Kit
This new kit includes a solar panel, a reversible fuel cell and two water storage tanks to create a mini power system that can store solar energy in the form of hydrogen. The hydrogen can then be used later by the fuel cell to power a small motor provided in the kit. You can use the motor to power a fan or create your own miniature fuel cell applications! It’s an optimal tool for creativity and education in classrooms and student competitions ..
£19.95
Greenhouse Effect : Bolometer
Designed to measure heat radiation from the sun, this device consists of an aluminium tube with a blackened front enclosed in a cardboard tube blackened on the inside. Includes a borehole for a thermometer. Aluminium tube: 30 mm x 40 mm dia. approx. Cardboard tube: 195 mm x 50 mm dia. approx. Weight: 350 g approx. ..
£19.95
Greenhouse Effect : Gas analysis tubes Carbon Dioxide I
Required environment and spare parts for Gastec-Kit Gas analysis tubes delivered separately in sets of 10. ..
£19.95
Greenhouse Effect : Gas analysis tubes Carbon Dioxide II
Required environment and spare parts for Gastec-Kit Gas analysis tubes delivered separately in sets of 10. ..
£19.95
Greenhouse Effect : Gastec Spare Parts
(2 × 10 protective stoppers for gas analysis tubes) ..
£19.95

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