Electrostatic – Central Science Supplies https://centralscience.spiderns.com School and College Science Supplies Tue, 13 Oct 2026 17:24:29 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.3 VAN DE GRAAFF GENERATOR, WITH ACCESSORIES SET https://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-set/ https://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-set/#respond Tue, 13 Oct 2026 17:24:29 +0000 http://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-set/ Downloads Data Sheet Van De Graph Generator – ESP59210.PDF File

Design for electrostatics experiment, which extremely with low current intensity are needed. Robust design and high quality material, provided long
live of usage in laboratory.

Size :
-Conductor sphere : 220 mm
-Spark gap length : 50 To 100 mm
-Power Supply voltage : 220V AC
-Total height : 630 mm
-Bottom plate : 195 x 195 mm
-Mass : 5.3 kg

Material conductor sphere : Stainless steel

The set Consist of :
Van de Graaff Generator 1 pc
Conductor Sphere on Rod 1 set
Perspex Pillar with Metalised Sphere 1 pc
Faraday Pail 1 pc
Metalised Spheres in TRANSPARENT Cylinder 1 pc
Hair Model 1 pc
Electric Whirl 1 pc
Discharge Ball 1 pc
Discharge Pointer 1 pc
Additional Comb 1 pc
Rubber Belt 1 pc
Lamp Neon 60V 1 pc
Manual Book 1 pc

Complete with 4 mm socket on top of the sphere, use for attaching the accessories
Can produce sparks approx 200 kV in 5-6 cm length (depends on ambient condition)
Complete with electronic speed control and 220 V AC motor
Can be operated manualy by moving the driving belt
Supplied with a plastic protective cover and manual

Weight :10.400 kg

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VAN DE GRAAFF GENERATOR II https://centralscience.spiderns.com/product/van-de-graaff-generator-ii/ https://centralscience.spiderns.com/product/van-de-graaff-generator-ii/#respond Tue, 13 Oct 2026 17:21:42 +0000 http://centralscience.spiderns.com/product/van-de-graaff-generator-ii/ An electrostatic generator using the friction between the outer cylinder and the inner belt
• By rotating the belt, static electricity generated by friction with the outer cylinder is stored in the upper accumulation ball.
• Charged electricity is discharged when it is close to the charging ball on the earth side.
• Aspiration and repulsion of static electricity, human body charging, electric power lines,
It is used in experiments such as charging in air.
• You can adjust the power generation with speed control.
• Built-in speed controller, drying heater Dimension : 270x230x550mm, charge ball ∅200mm, charge ball ∅70mm
Power: AC220V60Hz 60W

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VAN DE GRAAFF GENERATOR https://centralscience.spiderns.com/product/van-de-graaff-generator/ https://centralscience.spiderns.com/product/van-de-graaff-generator/#respond Tue, 13 Oct 2026 17:19:16 +0000 http://centralscience.spiderns.com/product/van-de-graaff-generator/ Van de Graaff generator is a static electric machine which produces very high DC voltage by collecting and storing electric charge on the hollowed
spherical surface. This appartus can be operated in two ways. First is using a 220 volt AC electric motor which has speed adjuster. Second is directly
run by hand. Changing the running method is easily done by displacing the rubber belt from the motor to hand pulley or vice versa.

Size :
-Approx. : 690 x 195 x 195 mm
-Charge collecting sphere : ? 220 mm
Weight : 5.3 kg
Spark gap length : 50 – 100 mm (maximum)
Main voltages to run motor : 220 V
Complete with 4 mm socket mounted on the hollow spheres

Part of Van de Graaff Generator Set.(
ESP-EMES-5000504)

Dimension :(L) 29.00 x (W) 28.00 x (H) 70.00 cm
Weight :6.600 kg

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High-voltage power supply, 18 kV, Demonstration https://centralscience.spiderns.com/product/high-voltage-power-supply-18-kv-demonstration/ https://centralscience.spiderns.com/product/high-voltage-power-supply-18-kv-demonstration/#respond Tue, 13 Oct 2026 17:18:50 +0000 http://centralscience.spiderns.com/product/high-voltage-power-supply-18-kv-demonstration/ Continuously variable high-voltage power supply for experiments in electrostatics.
This instrument is easy to transport and can be mounted magnetically;
the 20-mm LED display allows readings to be taken even from a distance.

Technical data:
Output: 0 to + 18 kV, continuously variable, max. 0.5 mA
Voltage indicator: 7-segment LED display, digit height: 20 mm
Power supply: 4 x 1.5 V mignon cells (included) or
5.5-mm hollow DC jack for 6 V / 500 mA external power supply (not included)

The green ABS plastic case is labelled in yellow,
and 10 strong neodymium magnets are inset in the rear panel for mounting the device magnetically.
Dimensions: approx. 160 x 120 x 45 mm; weight: approx. 970 g

Recommended accessory:

Mains transformer 6V DC / 500 mA
S-shaped assembly platform

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VAN DE GRAAFF GENERATOR WITH ACCESSORIES IRWIN https://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-irwin/ https://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-irwin/#respond Tue, 13 Oct 2026 17:18:39 +0000 http://centralscience.spiderns.com/product/van-de-graaff-generator-with-accessories-irwin/ The Irwin Van de Graaff generator is designed to be operated by hand (which confirms that the charge generated is independent of mains electricity) or by mains electricity from an additional power source required. This rugged unit will help you give demonstrations that will impress the socks off your students, or at least stand their hair on end. It is ideal for performing all basic electrostatic experiments on a large and spectacular scale! With sparks of 8 cm to as high as 12 to 15 cm, yet a maximum continuous current of just 10 micro amps, it’s quite safe for classroom use. The unit requires minimal assembly when shipped and is supplied with an extra transport belt.

Features
Neon indicator and a helicopter.
Rubber drive belt
Silicon main belt
Discharge sphere
Head of hair

Dimensions
Sphere Diameter 280mm
Overall height 760mm
Base length 380mm
Base depth 230mm
Weight 8kg

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WIMSHURST MACHINE https://centralscience.spiderns.com/product/wimshurst-machine/ https://centralscience.spiderns.com/product/wimshurst-machine/#respond Tue, 13 Oct 2026 17:10:56 +0000 http://centralscience.spiderns.com/product/wimshurst-machine/ Downloads Data Sheet Wimshurst Machine – ESP59205.PDF File

Wimshurst machine is an electrostatic generator using electrostatic induction to multiply the electric charge continuously. Wimshurst machine can
produce 120 kilo-volt. Static electricity is produced by two disc which are rotating in contrary direction, each disc has metal sectors. Two quadrants
have different electric charges and two other quadrants have identical electric charges.
Wimshurst machine consists of pair of Plexiglas disc enclosed aluminum sheet and Thin plastic sheet (28 sector aluminum sheet and plastic
sheet), two charge storage tube (Leyden Jar), A Pair of electrodes with the tip of the balls and isolator holder, Set of rotator and two 4 mm socket
terminal. This machine is operated by hand.

Specification :
– Plexiglas Disc : 30 cm
– Maximum distance an electric arc : 100 mm
– Dimensions : 30 x 20 x 39 cm
– Weight : 1.5 kg

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Electrostatic Experiments kit https://centralscience.spiderns.com/product/electrostatic-experiments-kit/ https://centralscience.spiderns.com/product/electrostatic-experiments-kit/#respond Tue, 13 Oct 2026 17:02:20 +0000 http://centralscience.spiderns.com/product/electrostatic-experiments-kit/ This module enables experiments on electrostatics
in combination with a Wimshurst machine or a Van de Graaff generator.

– robustly designed equipment,
– the equipment is stored in predefined places,
– in impact-resistant plastic casing, with lid,
– delivery includes experiment manual

Set consisting of:
1x Round base with stand tube
1x Insulating support
1x Paper bush
1x Needle on a plug
1x Pointed wheel 02
1x Flash-board
1x Set of chimes
1x Capacitor plates with cylinder
1x Sphere with metal surface
1x Grains for copier-principle
1x Connecting leads SE, 50 cm, black
1x Connecting leads SE, 75 cm, red
1x Pad of paper for copier-principle
1x Liquid glue

Storage:
1x Box insert electrostatics Demo, foam
1x Storage box II large, with cover

Experiments:
Spark discharge
Point discharge
Paper bush
Flash-board
Set of chimes
Bouncing ball
Principle of a copier
Electrostatic filter

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VAN DE GRAAFF GENERATOR ACCESSORIES SET https://centralscience.spiderns.com/product/van-de-graaff-generator-accessories-set/ https://centralscience.spiderns.com/product/van-de-graaff-generator-accessories-set/#respond Tue, 13 Oct 2026 16:45:30 +0000 http://centralscience.spiderns.com/product/van-de-graaff-generator-accessories-set/ Consist of :

Conductor Sphere on Rod 1 set
Perspex Pillar with Metalised Sphere 1 pc
Faraday Pail 1 pc
Metalised Spheres in TRANSPARENT Cylinder 1 pc
Hair Model 1 pc
Electric Whirl 1 pc
Discharge Ball 1 pc
Discharge Pointer 1 pc
Neon Lamp 60V 1 pc

Dimension :(L) 57.00 x (W) 23.00 x (H) 11.00 cm
Weight :0.000 kg

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Student Electrostatic Experiment Kit https://centralscience.spiderns.com/product/student-electrostatic-experiment-kit/ https://centralscience.spiderns.com/product/student-electrostatic-experiment-kit/#respond Tue, 13 Oct 2026 16:16:36 +0000 http://centralscience.spiderns.com/product/student-electrostatic-experiment-kit/ Student Electrostatic Experiment Kit: Explore the World of Electrostatics
Introducing the Student Electrostatic Experiment Kit. In the realm of science education, hands-on learning experiences are invaluable. This kit is a comprehensive and engaging tool for students of all levels. With this kit, you’ll delve into the captivating world of electrostatics, unlocking a multitude of experiments and discoveries.

The Electric Charge Experiment Kit opens the door to a world of scientific exploration. Designed for students, educators, and curious minds alike, this kit equips you with the essentials to dive deep into the study of electric charge, electrostatic forces, and more. As science comes to life in your hands, you’ll not only grasp fundamental principles but also nurture a passion for discovery.

Key Features of the Student Electrostatic Experiment Kit:

  • Versatile Set: This kit includes a wide array of components to facilitate various experiments. From electroscope models and different types of bars to insulating blocks and beakers, you’ll have everything you need at your fingertips.
  • Practical Storage: Keep your electrostatics equipment organized and accessible with the included storage box and box insert. This practical storage solution ensures that your tools are well-preserved and ready for experimentation.
  • Hands-On Learning: The Electric Charge Experiment Kit encourages interactive learning. Explore concepts like electric charge, attraction, and repulsion with the help of diverse materials and tools. Engage in experiments that make theory come alive.
  • Educational Value: Whether you’re a student embarking on your first science project or an educator inspiring the next generation of scientists, this kit serves as an invaluable educational resource. It fosters a deeper understanding of electrostatics principles.

Dimensions: The kit components are thoughtfully designed for ease of use and storage. With the included storage box, you can conveniently transport and protect your equipment.

The Electric Charge Experiment Kit is more than a collection of scientific tools—it’s a gateway to discovery. Dive into the captivating world of electrostatics, conduct experiments, and witness the magic of electric charge in action. This kit empowers you to learn by doing, fostering a lifelong love for science.

Notes: While this kit provides a hands-on educational experience, it’s essential to remember that the experiments should be conducted under the guidance of an experienced individual, especially in educational settings. Safety precautions should always be followed.

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ELECTROSTATIC KIT https://centralscience.spiderns.com/product/electrostatic-kit/ https://centralscience.spiderns.com/product/electrostatic-kit/#respond Tue, 13 Oct 2026 16:16:25 +0000 http://centralscience.spiderns.com/product/electrostatic-kit/ Electrostatic kit is a set of tools which can be used to do experiment concerning the electrostatic. Electrostatic is produced by rubbing acetate cellulose or polietilen strip with existing wool. Completed with equipment that can be used for experiments : electrostatic force,capacitance, the law of conservation of charge.
Consists of:
1 pc Electroscope
2 pcs Polythene Strip
2 pcs Cellulose Acetate bar
1pc Wool 200 x 200mm
4 pcs Polystyrene Ball Metal Coat
1 roll soft Nyon Cord
1 pc Electroforus
2 pcs Politin Board
1 pc Switching charge
2 pcs Aluminium Cup
1 pc Stirrup
1 pc Aluminium Sheet
1 Manual Book, Electrostatic Kit

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