Westminster Power Supply

Code: EPU0201

A very popular and compact Westminster power supply that is ideal for school use in Key stage 4 and 5 physics lessons with its tough steel case protected by a tough powder coated finish that will last years of use. The unit will deliver up to 16A AC or DC through its colour coded terminal posts. This power supply is very popular for use in electromagnet experiments.

Description

  • AC & DC Output: Voltages 1-2V
  • Current 16A
  • Voltage type – Fixed
  • Output type – Full wave rectified DC & AC
  • Mains input 230/240V AC, 50Hz
  • Supplied with mains plug and lead
  • Manufactured in the UK

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SettingsWestminster Power Supply removeIrwin De-Mountable Transformer removeBERT - Battery Electrical Resistance Tester removeCapacitance Substitution Box Class set of 15 removePlanck's Constant LED Apparatus removeBrass Small Bayonet Cap Batten Holders - Oval base remove
NameWestminster Power Supply removeIrwin De-Mountable Transformer removeBERT - Battery Electrical Resistance Tester removeCapacitance Substitution Box Class set of 15 removePlanck's Constant LED Apparatus removeBrass Small Bayonet Cap Batten Holders - Oval base remove
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Description

Code: EPU0201

A very popular and compact Westminster power supply that is ideal for school use in Key stage 4 and 5 physics lessons with its tough steel case protected by a tough powder coated finish that will last years of use. The unit will deliver up to 16A AC or DC through its colour coded terminal posts. This power supply is very popular for use in electromagnet experiments.
By connecting an ac power source to one of the coils and reading the voltage from the other coil transformer action (either step up or step down) may be readily demonstrated. The efficiency of the transformer may be studied –does the efficiency change if the laminate top is not firmly fixed? What happens if it is not present? Other more esoteric effects such as Magnetostriction may also be studied.

Code: EBR5010

BERT is a simple way of introducing electrical resistance and resistivity to a class. It consists of a circuit board that may be drawn on using the supplied pencil. Connecting the two sides of the board together by a pencil line gives a conducting track and the LED lights. The brightness of the LED gives an indication of the resistance of the path.  Drawing the line thicker decreases the resistance, as does shortening the path. Resistances in parallel may be studied and a “volume control” simply made.   BERT may also be used to test various materials to see whether they are conductors or insulators. Liquids and pastes may also be tested.  The conductivity of the class may be studied as well as how a switch works.  When you are finished the pencil lines may be removed with the supplied eraser.

Code: IPC-5865-X

Class set of 15 Capacitance Substitution Boxes. The IPC Capacitance Substitution Box (IPC-5861-X) provides the easily selection of 12 preferred value capacitors, ranging from 100pF to 0.47µF. The values range from: 100pF, 220pF, 470pF, 1nF, 2n2, 4n7, 10nF, 22nF, 47nF, 0.1µF, 0.22µF and 0.47µF. All the capacitors offer a maximum voltage rating of 50V (AC or DC), with actual capacitance value tolerances of ±5% to ±10%. The unit is housed in a robust ABS plastic case with rotary selector switch and a pair of 4mm connection sockets.

Code: EPC7000

A multipurpose unit that allows the user to easily calculate Planck's constant, to measure the wavelength of coloured light, demonstrate colour light transmission through colour filters and show the diffraction patterns for various wavelengths of coloured light using a range of 4 LEDs (Red, Yellow, Green and Blue) covering the light range from deep blue at 470nm to near IR at 940nm.
Class Packs of Brass SBC (Small Bayonet Cap) round lamp holders with an oval base.
Content
  • AC & DC Output: Voltages 1-2V
  • Current 16A
  • Voltage type - Fixed
  • Output type - Full wave rectified DC & AC
  • Mains input 230/240V AC, 50Hz
  • Supplied with mains plug and lead
  • Manufactured in the UK

Code: L1017

A demountable transformer kit is an ideal way to demonstrate transformer action.  The kit comprises three coils, one with 300 turns, one with 600 turns and one with 1200 turns. These slide onto a laminated steel frame to form several possible transformer configurations.
A stunningly effective way of teaching the basics of electrical resistance. The kit comprises of: 
  • 1 x BERT circuit board
  • 1 x PP3 battery
  • 1 x 3B pencil
  • 1 x crocodile clip connecting lead
  • 1 x eraser
  • 1 x full set of teaching notes.
Description : Capacitance Substitution Box                    Part Number : IPC-5861-X                                               Electrical Supply : 50VAC/DC Maximum                         Dimensions : 75 x 100 x 40mm                                            Mass : 0.15kg                                          Capacitance Tolerance : ±5% to ±10%                                                                          Electrical Connections : 4mm Sockets
Box mounted with 5 x 4mm sockets for attachment to an ammeter or voltmeter to display measurements. Monitoring the voltage of each LED a graph of energy input as a function of light frequency emitted can be measured with an approximate value of Plank's constant calculated.
  • Supplied with 500 lines/mm diffraction grating
  • Designed and manufactured in the UK

Code: OPB3005

Class Packs of Brass SBC (Small Bayonet Cap) round lamp holders with an oval base.
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