Electricity & Cell Lab
Meter – Dual Sensitivity Micrometer
With 2 colour coded 4 mm socket terminals Available in ranges from ranges upto 50A.
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Electricity & Cell Lab
Demonstration Dynamo
This model uses the same basic assembly as the electric motor, mounted on a base plate which also carries a hand drive pulley 120 mm in diameter coupled to the smaller dynamo pulley by a rubber belt. Electric output is via a pair of 4 mm socket & a light emitting diode is provided as simple output indicator. The model may also be used as motor on a 4 to 8 volts DC supply.
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Electricity & Cell Lab
Coil 120 Turns
Each centre hole coil is wound on a plastic former & is provided with 4 mm socketed terminals.
The coil fits onto a double ‘C’ core, provides a suitable transformer for operation from a low voltage AC supply. In addition, it provides a useful electromagnet if used on one half of a ‘C’ core.
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Electricity & Cell Lab
Demonstration Meter
Moving coil type. Basic sensitivity of meter is 5mA, 100mV f.s.d. The meters can be used to demonstrate the working principle of AC or DC ammeters or voltmeters with interchangeable dials. Different dials are available. Housed in a Plastic/Wooden case, with plastic in front and rear.
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Electricity & Cell Lab
Demonstration Dynamo Model A.C
A simple demonstration of a Dynamo Model mounted on a wooden base. Hand driven by a gear. Simplified open frame construction which can be readily understood without detriments to its essential similarity to real machine. A 2 pole armature wound by enamelled copper wire to rotate in U shape magnet in pivot. While in rotation process through the gear wheel by hand, the bulb provided glows.
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