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Non-contact temperature measurement
The power rating of the bulb has been chosen so that when it is placed in front of the solar cell sufficient power is produced to run the motor effectively whilst avoiding the risk of damage to the cell by excess light and/or heat
With Hours
14 twin disc
Pack of 10
Hand Driven Generator Unit Non-contact temperature measurementFor demonstrating the variation of electrical output of a dynamo with its rate of rotation and the way in which the electrical load connected to it affects the amount of work required to drive it. The double stage step up gear system gives an overall ratio of approximately 1: 25.