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Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy
Hand crank generator is intended to demonstrate the basic structure and working principle of AC and DC generators for the teaching of secondary school physics and elementary natural sciences. AC/DC hand generator is an easy yet effective way to teach how AC and DC electricity is produced.
Features:
1, DEMONSTRATION of TWO TYPES of GENERATORS:
a), AC GENERATOR: move the brush to the whole ring part of the collecting ring first, then use sliding varistor. DC current meter to form the external circuit, connect the output end of the generator to slowly rotate the generator rotor, galvanometer will clearly show the direction of current change, or you can use DC voltmeter to connect to the output for demonstration.
b), DC GENERATOR: Move the brush to the commutator section, the external circuit does not rotate the rotor, and the galvanometer pointer deflects in one direction, indicating that the output is DC.
2, SCIENTIFIC DESIGNED STRUCTURE: The generator is a permanent magnet producing a rotating armature of a magnetic field. The magnetic field is generated by two pieces of ferrite material with a pair of boots. The armature of the generator is driven by a hand-operated wheel with a belt, and the crank of the big wheel can be removed.
3, OPERATING CONDITION: When the rotor speed is 1600 rpm, the voltage at the output of this unit is: no-load voltage is not less than 8V; a small bulb of 4.8V, 0.3A is connected in series, and the load pressure is not less than 5V.
4, AMAZING CONVERSATION PIECE ON YOUR DESK---- It's funny to see people's looks and reactions when you show how this hand crank generator model works. And it will be an ideal model for your kids' science project.
Operation Tips:
1, According to the needs of the output is alternating current and direct current, the brushes are placed on both ends or in the middle of the same ring. When used as a power source, connect the external power to the terminal of the board base.
2, When using, press one hand on the base of the wooden board and shake the big wheel at a uniform speed with one hand, then there will be power output. The shaking speed should not be too fast so as to avoid the output voltage being too high and burning the bulb.
3, If connecting a demo current meter, a voltmeter should be installed. Do not connect the ammeter in series. If necessary, connect a sliding rheostat as a load.
Specifications:
Item Name: Hand Crank AC/DC Generator
Material: Metal
Weight: 2150g
Package Dimensions: 31 x 19 x 15cm
Package Weight: 2200g
Packing: Box
Package Content:
1 x Hand Crank AC/DC Generator ( two colors send randomly)
Q1 : Do you ship worldwide?
A1 : Yes, we can ship worldwide.
Q2 : Where you ship goods from?
A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
Q3 : What is the shipping cost?
A3 : For giving customer good shopping experience, we offer free international shipment.
Q4 : What is the shipping time?
A4 : For expected delivery date, please check in this page: Expected Delivery Time
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A5 : You can track your order on 17track.net . Or if you need a team members help check up please contact with our service team service@enginediy.com and we will be in touch with a status update.
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A3 : For the order, if not shipped out yet, please contact with our Service Support Team service@enginediy.com , we will cancel your order and give you full refund.
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A5 : If the recipient's address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
Questions about Return & Refunds
Q1 : What items are returnable?
A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions.
Q2 : How do I return a product?
A2: Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment .
Q3 : What is you refund policy?
A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 : How will you refund me?
A4 : The refund are applied to the original payment method.
Exactly as described. My kids loves it.
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