Sadana Brothers
Sadana Brothers
Naraina Industrial Area Phase 1, New Delhi, Delhi
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Electricity And Magnetic Instruments

Leveraging on our skilled professionals, we are engaged in offering a competitive range of Electricity And Magnetic Instruments. Manufactured in compliance with the international quality standards, these products are tested on well defined quality parameters to deliver flaw less range at our clients premises. Our range is suitable for many experimental and demonstration needs in general science and physics laboratory. In this range, we have Copper Wire, Pvc Insulated, Magnet Steel Horseshow, Electrostatic Kit, Rheostat Resistor and more.

Bar, Pair, Alnico Magnet

Bar, Pair, Alnico Magnet
  • Bar, Pair, Alnico Magnet
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Approx. Price: Rs 10 / OnwardsGet Latest Price

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

lxwxh Cat. No.
50 x 13 x 6mm 3106-01
50 x 15 x 10mm 3106-02
75 x 11 x 6mm 3106-23
75 x 15 x 10mm 3106-03
100 x 10 x 7mm 3106-04
100 x 15 x 10mm 3106-05
150 x 19 x 7mm 3106-06

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Demonstration Meter

Demonstration Meter
  • Demonstration Meter
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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

3031-10 2.5-0-2.5mA
3031-11 10-0-10mA
3031-12 0-10mA
3031-13 0-50mA
3031-14 0-100mA
3031-15 0-500mA
3031-16 0-1A
3031-17 0-5A

DC Voltage Range
3031-31 0-1V
3031-32 0-5V
3031-33 0-10V
3031-34 0-15V
3031-35 0-300V
3031-36 5-0-5V
3031-37 10-0-10V
3031-38 0-100mV

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  • Item Code: 3031-00
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Electrostatic Kit

Electrostatic Kit
  • Electrostatic Kit
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Approx. Price: Rs 10 / PieceGet Latest Price

Product Details:

UsageLaboratory

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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Iron Filing

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

Type Fine Coarse
Cat No. 3124-01 3124-02


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Magnetic Needel On Stand

Magnetic Needel On Stand
  • Magnetic Needel On Stand
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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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  • Item Code: 3118-01
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Ceramic Bar Magnet

Ceramic Bar Magnet
  • Ceramic Bar Magnet
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Approximate dimensions:

lxwxh Cat No.
54 x 13 x 9mm 3113-01
40 x 25 x 10mm 3113-02


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Friction Rod

Friction Rod
  • Friction Rod
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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


Soda glass, solid 3128-01
Glass (borosilicate) tubular with one end drawn 3128-02
Plastic solid (bakelite) 3128-03
Ebonite (hard rubber) 3128-04
Polyethylene 3128-05
Sealing wax square, Shellac 200 x 10 x 1Omm 3128-06

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Electrostatic Conductor

Electrostatic Conductor
  • Electrostatic Conductor
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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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Proof Plane

Proof Plane
  • Proof Plane
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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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  • Item Code: 3133-01
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Pith Ball Type Electroscope

Pith Ball Type Electroscope
  • Pith Ball Type Electroscope
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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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  • Item Code: 3134-01
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Knife Switches

Knife Switches
  • Knife Switches
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Useful as a basic component for any electrical laboratory. Mounted on a bakelite base. Allows visible connection for easy use. With screw holes and suitable for bench fixing and panel mounting. Available in four configurations.

Type Cat. No.
Single-pole, single-throw 3147-21
Single-pole, double-throw 3147-22
Double-pole, single-throw 3147-23
Double-pole, double-throw 3147-24
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Switch With Fahnstock Clip

Switch With Fahnstock Clip
  • Switch With Fahnstock Clip
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Switch for lamp holder. Mounted on plastic base, 50mm dia.
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  • Item Code: 3163-05
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Bulb Holder Sbc

Bulb Holder Sbc
  • Bulb Holder Sbc
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Mounted on a plastic base. Connection via 4mm socket terminals.
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  • Item Code: 3161-11
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Induction Coil

Induction Coil
  • Induction Coil
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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.

Maximum Spark length Cat No.
25mm 3148-01
50mm 3148-02

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Slide Wire Rheostat

Slide Wire Rheostat
  • Slide Wire Rheostat
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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


Max. current AmpsResistance OhmsCat No.
3.3113149-21
3.3223149-22
5113149-23
5153149-24
6.57.53149-25
6.5133149-26
82.53149-27
84.53149-28
88.53149-29
0.317003149-30
11753149-31
1.61003149-32
1.8923149-33
2.3343149-34
Rheostat
3.3213150-21
514.23150-22
6.58.23150-23
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Electrodes, Flat Without Binding Posts

Electrodes, Flat Without Binding Posts
  • Electrodes, Flat Without Binding Posts
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For assembling voltaic cells, electrolysis experiments etc. Size (l x w), 125 x 25mm.


Material Cat. No.
Aluminium 3151-01
Carbon 3151-02
Copper 3151-03
Iron 3151-04
Lead 3151-05
Zinc 3151-06
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Hoffman Electrolysis Apparatus

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For qualitative and quantitative study of the electrolytic decomposition of electrolytes such as water, hydrochloric acid etc. Consists of two vertical 50mL, gas-collecting, graduated glass tubes with stopcocks at top and joined by a bridging tube to a reservoir and fitted with a pair of platinum electrodes at the lower ends of the glass tubes. A lead wire connecting the platinum electrode passes through the glass tube for external connections, so that only the platinum electrode comes in contact with the electrolyte. Packed in a styrofoam case. Mounted on a cast iron stand designed for safe clamping. Requires a 6V battery or low voltage D.C. power supply for operation.
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  • Item Code: 3155-01
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Daniel Cell

Daniel Cell
  • Daniel Cell
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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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  • Item Code: 3010-01
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Leclanche Cell

Leclanche Cell
  • Leclanche Cell
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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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  • Item Code: 3010-05
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Electromagnet U-Shape

Electromagnet U-Shape
  • Electromagnet U-Shape
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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
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Ticker Tape Timer

Ticker Tape Timer
  • Ticker Tape Timer
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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


Type Cat. No.
A.C. 3012-01
D.C. 3012-02
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Bell Demonstration Unit

Bell Demonstration Unit
  • Bell Demonstration Unit
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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
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St. Louis Motor

St. Louis Motor
  • St. Louis Motor
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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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  • Item Code: 3167-00
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Dynamo AC/DC

Dynamo AC/DC
  • Dynamo AC/DC
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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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  • Item Code: 3167-05
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Bi-Cycle Dynamo

Bi-Cycle Dynamo
  • Bi-Cycle Dynamo
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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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Solenoid (Helix), Iron Core

Solenoid (Helix), Iron Core
  • Solenoid (Helix), Iron Core
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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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  • Item Code: 3171-00
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Solenoid (Helix), Air Core

Solenoid (Helix), Air Core
  • Solenoid (Helix), Air Core
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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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  • Item Code: 3172-00
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Primary And Secondary Coil Set

Primary And Secondary Coil Set
  • Primary And Secondary Coil Set
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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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  • Item Code: 3173-00
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Flat Solenoid

Flat Solenoid
  • Flat Solenoid
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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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  • Item Code: 3172-15
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Resistance Coils

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


3050-02 0.1 ohms
3050-04 0.5 ohms
3050-06 1 ohms
3050-08 2 ohms
3050-09 3 ohms
3050-10 5 ohms
3050-12 10 ohms
3050-14 50 ohms
3050-16 100 ohms
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Soft Iron Rod

Soft Iron Rod
  • Soft Iron Rod
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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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  • Item Code: 3181-01
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Aepinus Condenser

Aepinus Condenser
  • Aepinus Condenser
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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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  • Item Code: 3055-80
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Hand Driven Van De Graff Generator

Hand Driven Van De Graff Generator
  • Hand Driven Van De Graff Generator
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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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Meters

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

Ammeter DC Range

3020-05 100mA
3020-06 500mA
3020-07 0-1A
3020-08 5A
3020-09 10A


Dual Range

3020-21 1/5A
3020-22 0-3/30A


Voltmeter DC Range

3023-05 0-500mV
3023-06 0-1V
3023-07 0-5V
3023-08 0-10V
3023-09 0-15V
3023-10 0-30V


Dual Range

3023-21 0-100/500V
3023-25 0-5/15V


Galvanometer

3027-00 30-0-30
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  • Item Code: 3020
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Current Balance Kit

Current Balance Kit
  • Current Balance Kit
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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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  • Item Code: 3044-01
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Banana Plug, 4Mm

Banana Plug, 4Mm
  • Banana Plug, 4Mm
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Brass parts with stainless steel spring to maintain adequate contact pressure. Pack of 100 (50 Red & 50 Black)
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  • Item Code: 3046-05
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Terminals- 4Mm

Terminals- 4Mm
  • Terminals- 4Mm
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High quality moulded plastic parts. All metal parts are made of brass.
Sold in packs of 50.

3046-10 Red
3046-12 Black
3046-14 Yellow
3046-16 Green
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Copper Wire, Bare

Copper Wire, Bare
  • Copper Wire, Bare
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swg 20 22 24 26 28 30 32
125g 3038-02 3038-04 3038-06 3038-08 3038-10 3038-12 3038-14
250g 3038-22 3038-24 3038-26 3038-28 3038-30 3038-32 3038-34

Copper Wire, Enamelled

swg 20 22 24 26 28 30 32
125g 3038-42 3038-44 3038-46 3038-48 3038-50 3038-52 3038-54
250g 3038-62 3038-64 3038-66 3038-68 3038-70 3038-72 3038-74

Eureka Wire (Constantan Wire)

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

swg 20 22 24 26 28 30 32
25g 3040-02 3040-04 3040-06 3040-08 3040-10 3040-12 3040-14
125g 3040-22 3040-24 3040-26 3040-28 3040-30 3040-32 3040-34
250g 3040-42 3040-44 3040-46 3040-48 3040-50 3040-52 3040-54







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  • Item Code: 3038
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Projection Meter

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

3035-02 Overhead AC Ammeter Triple, 0-0.1A/1A/10A
3035-04 Overhead AC Voltmeter Dual, 0-15V/150V
3035-06 Overhead DC Ammeter Triple, 0-50mA/500mA/5A
3035-08 Overhead DC Voltmeter, Triple, 0-3V/15V/150V
3035-10 Overhead Projection Galvanometer; -25 to 0 to +25μA



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Circular Ceramic Magnet (DISC)

Circular Ceramic Magnet (DISC)
  • Circular Ceramic Magnet (DISC)
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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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Rohit Sadana (Partner)
A- 8/ 1, Naraina Industrial Area, Phase- 1
New Delhi- 110028, Delhi, India



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