Language:
English
Code: EPU0113
A compact power supply offering 2, 4, 6, 8, 10, and 12 volts at currents of up to 5A. Both dc and ac outputs may be used simultaneously up to the rated output. The output is protected by a push button cut-out. The unit is 2A fused on the back panel and comes complete with a moulded mains lead and plug. 4 units are designed to fit in a shallow Gratnell tray.
Specification
| Settings | Irwin Powerswitch remove | Mounted SBC Lamp Holder - Pack 10 - 12V, 24W Lamp remove | BERT - Battery Electrical Resistance Tester remove | Brass Small Bayonet Cap Batten Holders - Oval base remove | Irwin 4 x D Cell Battery Holder Pack of 10 remove | Resistance Substitution Box remove |
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| Name | Irwin Powerswitch remove | Mounted SBC Lamp Holder - Pack 10 - 12V, 24W Lamp remove | BERT - Battery Electrical Resistance Tester remove | Brass Small Bayonet Cap Batten Holders - Oval base remove | Irwin 4 x D Cell Battery Holder Pack of 10 remove | Resistance Substitution Box remove |
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| Description | Code: EPU0113 A compact power supply offering 2, 4, 6, 8, 10, and 12 volts at currents of up to 5A. Both dc and ac outputs may be used simultaneously up to the rated output. The output is protected by a push button cut-out. The unit is 2A fused on the back panel and comes complete with a moulded mains lead and plug. 4 units are designed to fit in a shallow Gratnell tray. |
Solid steel Small Bayonet Cap (SBC) lamp holder with a tough powder coat paint finish and a solid brass lamp holder with 2 x 4mm electrical sockets. Ready to use supplied with a 12V 24W Lamp.
| 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.
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Class Packs of Brass SBC (Small Bayonet Cap) round lamp holders with an oval base.
| Code: ERS8050
A six-decade resistance substitution box designed for use in educational establishments.
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Specification
| Code: OPM5024
Pack of 10
Solid steel Small Bayonet Cap (SBC) lamp holder with a tough powder coat paint finish and a solid brass lamp holder with 2 x 4mm electrical sockets. Ready to use supplied with a 12V 24W Lamp.
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A stunningly effective way of teaching the basics of electrical resistance.
The kit comprises of:
| Code: OPB3005
Class Packs of Brass SBC (Small Bayonet Cap) round lamp holders with an oval base.
| Code: EBH0004
The Irwin Tapped Battery Holder holds 4 x D (R20) batteries with outputs at 1.5, 3, 4.5 and 6V. Batteries and leads not supplied. Each output has a 4mm socket. Manufactured in the UK from premium strong perspex.
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| Additional information |
