Electricity And Magnetic Instruments

Enriched by the vast experience, we are engaged in offering a wide range of Bar, Pair, Alnico Magnet to the clients. These products are developed with strong magnets for laboratory demonstration work and magnetizing needles. Ideal for extended classroom use, the offered range of products is painted red and north pole marked. Our range is supplied in pairs between plated keepers and a plastic separator.

 

Our products are known for mentioned feature:

 

• High performance

• Long working life

• Great strength

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Being a prominent organization, we are engaged in offering a wide assortment of Demonstration Meter. The basic sensitivity of this meter is 5 mA, 100 mV f.s.d., our offered range is extensively used to demonstrate the working principle of AC and DC ammeters and voltmeters with interchangeable plastic scale. Housed in a sturdy plastic frame 30 x 15 x 30 cm, our range available in standard and customized form.

 

Our products are known for listed attributes:

 

• High performance

• Great strength

• Corrosion resistance

DC Current Range

DC Voltage Range

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Additional Information:

• Item Code: 3031-00

Product Details:

We hold the expertise to offer a range of Electrostatic Kit. Our offered range comprises of 4 metalized polystyrene spheres, 2 each of aluminum cans, polythene tiles and 1 each of electroscope, nylon reel, cellulose acetate strip, polythene strip, wire stirrup, electrophorus, proof plane, wire hook and rubber cloth. These products can be availed by our customers in numerous specifications provided by our esteemed customers.

 

Our product range is very popular amongst the customers for below listed attributes:

 

• Long service life

• High functionality

• Easy operation

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For creating frictional electricity with materials like silk, wool, fur for charging electroscopes etc. Approximate dimensions of solid rods are (l x d) 250-300 x 10-13mm

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Mounted on a insulated stand.


Sphere 5 cm                       :  3000-01
Cone 12.5 x 5 cm                 : 3000-02
Cylinder 10 x 5 cm              : 3000-03

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For transferring electrostatic charges from one body to another such as leyden jars and electroscopes. Consists of a plated brass disc of diameter 25mm on a 15cm long insulated handle.

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Additional Information:

• Item Code: 3133-01

For demonstrating the attraction and repulsion of electric charges. Consists of an insulated brass pillar and hook on a base. Supplied with two colored pith balls with strings attached.

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Additional Information:

• Item Code: 3134-01

To produce high voltage alternating current or pulses of high voltage current from a low voltage direct current source. Suitable for use with gas-filled discharge tubes, vacuum tubes, eudiometers and for general laboratory work. Comprised of two coils fully enclosed in a polished wooden case with binding posts. Includes adjustable vibrator system, primary current polarity reversal and off/on switch, a condenser enclosed in the box and special alloy contacts. Spark gap at the discharge points can be adjusted by sliding rods back and forth. Requires 6-12 volt power source such as a battery.

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For laboratory use as a variable series resistance or as a potentiometer. Can control current and voltage. Made from heat resistant, air cooled, hollow porcelain tube closely wound with a resistance wire of copper nickel alloy which is previously oxidized to provide perfect insulation. The end supports are made of metal with provision for screw mounting. A bakelite slider carries a phosphor bronze contact which can be moved rapidly and smoothly and can rest anywhere along the winding. The insulation is sand-papered off where the slider makes contact. Resistance in ohms and current carrying capacities are engraved on contact carriage. Three terminals are provided for electrical connections, one at each end of the winding and the third at one end of the slide rod so that the unit can be used either as a rheostat or as a potentiometer. Available with a variety of resistances and current carrying capacities. Power ratings (watts) can be calculated as Watts = (Current in amperes) 2 x Resistance in ohms

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For assembling voltaic cells, electrolysis experiments etc. Size (l x w), 125 x 25mm.

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Copper vessel 135x100mm (ht x d) with perforated shelf for copper sulphate crystals. Supplied with the porous pot and zinc rod.

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Additional Information:

• Item Code: 3010-01

Charged porous pot 140 x 60mm (h x d) having an e.m.f. 1.5V in a rectangular polyethylene jar. Supplied with the zinc rod.

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Additional Information:

• Item Code: 3010-05

Model of lifting magnet used in industry, such as scrap metal lifter. Consist of two plastic bobbins wound with enamelled copper wire and mounted on each arm of a soft iron u core. Each of the bobbins is fitted with two 4mm socket binding posts. Includes an armature with hook to be used as a lifting ring. Operates on 3-6 volts d. C. Overall length 100mm.

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• Item Code: 3165-01

To demonstrate the concept of time and timing in applications such as measurement of velocity and acceleration, free fall experiments, projectiles and circular motion. It employs a concealed electromagnet with spring-loaded armature, which vibrates and produces dots on a paper tape via a carbon disc. Working voltage 6-12V

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A working model built of large components, the simple construction of which enables the principles of operation of the electric bell and electro- magnet to be easily understood.

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• Item Code: 3166-05

For studying the functions of the basic parts of electric motors and demonstrating how electrical energy is converted into mechanical energy. Comprised of a 2-pole D.C. armature with coils and mounted in an aluminium bracket with two binding posts and 4mm socket binding post terminals. The armature is held on brass cone bearings and a shaft fi tted with split commutator. Complete with two permanent magnets in adjustable holders mounted on bakelite base (I x w), about 173 x 97mm. Works on 6V D.C. power source.

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Additional Information:

• Item Code: 3167-00

Show the conversion of mechanical energy into electric energy and principle of working of simple AC and DC Dynamo. This model uses the basic assembly as the motor, but is mounted on a base- plate 230 x 90 mm approximate, which also carries a hand-drive pulley 120 mm dia. coupled to the smaller dynamo pulley by a rubber belt to give a step- up ratio. Electrical output is via a pair of 4 mm sockets and a light emitting diode is provided as simple output indicator. The model may also be used as a motor on a 6-8 V D.C. supply.

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Additional Information:

• Item Code: 3167-05

Consists of simple bicycle generator, mounted and geared so that it can be driven either at speed or slowly with the help of a crank. It demonstrates AC wave with help of an oscilloscope as also how the brightness of lamp increases when a dynamo powering it, turns faster.

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For studying magnetic induction properties produced by electric current and the effect of an iron core, etc. Consists of a plastic spool with windings of enamelled copper wire having brass binding posts on square end supports. Includes a soft iron core rod of diameter 18cm and instructions.

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Additional Information:

• Item Code: 3171-00

For studying electromagnetic induction, ferromagnetizm and principles of a transformer. Consists of two coils wound with enamelled copper wire over heavy plastic spools fi tting one within the other. The inner primary coil has 1250 turns of heavy wire and the outer, acting as secondary coil with 250 turns of fi ne wires. Square supports of thick insulating material are used as vertical or horizontal mount. Both coils are equipped with binding posts and a soft iron core for induction studies.

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Additional Information:

• Item Code: 3173-00

To investigate qualitatively and quantitatively, the interaction between the field surrounding a current-carrying wire and that produced in the fl at solenoid. It consists of approximately 258 turns of enameled copper wire wound on wood and plastic former. Connections are made via. 4mm socket clips.

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Additional Information:

• Item Code: 3172-15

Wire wound resistance in case with 4mm socket terminals for connection. Accuracy 0.2%.

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For uses involving changing magnetic flux in electromagnets, electric motors, generators and transformers. Dimension (d x l), 200 X 6mm.

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Additional Information:

• Item Code: 3181-01

The condenser consists of two adjustable capacitive plates, 100mm diameter and separated by a glass dielectric plate. Connection with hese plates is with 4mm socket terminals. This glass plate is held in a clip betwen the discs and can be replaced by another material to show the effect of different dielectrics.

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Additional Information:

• Item Code: 3055-80

The generator is provided with a conductor sphere with diameter of 220 mm. The sphere is equipped with a 4 mm socket (for connection to other equipment through a wire with Banana plug). With discharging sphere.

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Additional Information:

• Item Code: 3055-01

Housed in a plastic case with sloping face. 4 mm socket terminals are provided for connection

Ammeter DC Range



Dual Range



Voltmeter DC Range



Dual Range



Galvanometer

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Additional Information:

• Item Code: 3020

For investigating the interaction between magnetic fields and a current carrying wire. Includes both wide and narrow current balance wires. A copper wire formed into a rectangle with a discontinuity at one end and is balanced on a pair of metal fulcra. The ends are joined by a plastic sleeve through which a brass pointer is fitted. Electrical connections are made via a 4mm socket in the end of each fulcrum.

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Additional Information:

• Item Code: 3044-01

Brass parts with stainless steel spring to maintain adequate contact pressure. Pack of 100 (50 Red & 50 Black)

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Additional Information:

• Item Code: 3046-05

High quality moulded plastic parts. All metal parts are made of brass.
Sold in packs of 50.

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Copper Wire, Enamelled


Eureka Wire (Constantan Wire)

A 60% 40% Cu-Ni alloy, resistance wire, bare, wound on reels.

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Additional Information:

• Item Code: 3038

These are transparent working meters and when displayed on an overhead projector, are visible in a larger classroom.

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Switch for lamp holder. Mounted on plastic base, 50mm dia.

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Additional Information:

• Item Code: 3163-05

Mounted on a plastic base. Connection via 4mm socket terminals.

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Additional Information:

• Item Code: 3161-11

For observing magnetic field. Grease free filing in plastic bottles. pack of 500g.

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For studying magnetic phenomena such as operation of a compass, testing of magnetic poles, finding the direction of electric current etc. Consists of a magnetized steel needle about 150mm long with brass bearing pivoted on a non-magnetic metal stand. North pole is marked in red. The needle when not in use is reversed and kept in main rod for safety.
3118-01

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Additional Information:

• Item Code: 3118-01

Approximate dimensions:

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To provide external magnetic field where required and to change the rate of magnetic flux passing through a coil. Consists of a plastic spool with windings of insulated copper. End plates have brass binding posts. Capacity 10 amperes when used intermittently and 5 amperes when used continuously.

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Additional Information:

• Item Code: 3172-00

Used in conjunction with plastic beads and ring magnets for motion and collision studies in physics and for other applications. Can be magnetized along any side.

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