Product Model:OKY0107-A
B1K 2K 5K 10K 20K 50K 100K 500K 1M 15mm Taper WH148 Potentiometer Kit Rotary Potentiometer Resistor Set
Product Description
Electrical Characteristics
1.Temp Range:-10℃~100℃
2.Rated Power:Curve B:0.125W;Other curve B:0.053W
3.Max Operation Voltage:Curve B:200V;Other curve B:150V
4.Resistance Range:1KΩ~2MΩ
5.Allow Desistance Tolerance:±20%(1MΩ or more30%)
6.Rotational Noise:≤47mV
7.Resistance Law:A、B、C
8.Dielectric:AC500V,1 minute
9.Insulation Resistance:More than 100MΩ at DC500V
Product Details
Product Description
Mechanical Characteristics:
1.Rotational Torque:2~20 mN.m(20~200gf.cm)
2.Total Rotational Angle:300°±5°
3.Rotary life:10000 cycles
4.Shaft Stopper Strength:6Kgf.cm
5.Push Pull Strength:60N
6.Click position:Center detent or 10,20,40
Weight:125g
Package Including:
1 * Potentiometer WH148
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Product Model: Solar Kit 004
Potato Clock Green Science Project Experiment Kit kids Lab Home School Kit
Product Description
100% Brand & High Quality
- How It Works:
1.The metal strips and potato make a simple battery that creates electricity to operate to operate the clock. Each potato works as a device called a electrochemical cell. It converts the chemical energy stored in the metal strips intoelectrucal energy.Two potatoes are needed to make electricity strong enough to run the clock.
2.A cell works because of the chemical properties of the metals inside (in this case the copper and zinc).The different properties cause tiny particles charged with electricity .
(called ions) to move between the the two strips of metal. This flow is an electric current. The potato contains the particles that allow the current to flow,but it stops the metals touching.Electric current also flows along the wires between the zinc and copper strips and the clock. This current makes the clock work. - Put some soft drink into the pots provided.Insert the copper and zice plates into the pots, as shown in the diagram.
Taking care that the metal pates do not touch each other.The clock should now start to work. - You may experiment with different liquids like salt water,fruit juices. Or fruit like lemon, ,tomato etc.The fun is unlimited.
- Cup Size: 5.5cm x 5.5cm x 6.8cm – 2.17inch x 2.17inch x 2.68inch.
Clock Size:6.7cm x 3.2cm x 1.2cm – 2.64inch x 1.26inch x 0.47inch.
Product Details
Product Description
Description:
- 100% Brand & High Quality
- How It Works:
1.The metal strips and potato make a simple battery that creates electricity to operate to operate the clock. Each potato works as a device called a electrochemical cell. It converts the chemical energy stored in the metal strips intoelectrucal energy.Two potatoes are needed to make electricity strong enough to run the clock.
2.A cell works because of the chemical properties of the metals inside (in this case the copper and zinc).The different properties cause tiny particles charged with electricity .
(called ions) to move between the the two strips of metal. This flow is an electric current. The potato contains the particles that allow the current to flow,but it stops the metals touching.Electric current also flows along the wires between the zinc and copper strips and the clock. This current makes the clock work. - Put some soft drink into the pots provided.Insert the copper and zice plates into the pots, as shown in the diagram.
Taking care that the metal pates do not touch each other.The clock should now start to work. - You may experiment with different liquids like salt water,fruit juices. Or fruit like lemon, ,tomato etc.The fun is unlimited.
- Cup Size: 5.5cm x 5.5cm x 6.8cm – 2.17inch x 2.17inch x 2.68inch.
Clock Size:6.7cm x 3.2cm x 1.2cm – 2.64inch x 1.26inch x 0.47inch.
Package Include:
1 x Potato Clock Toy Set