Boiling Tube (Product Code: SCL-322/059) is a clear borosilicate glass tube with a round bottom, used to heat liquids and solids over a flame in school physics and chemistry laboratories. Students use it for melting-point, boiling and heating work, and its glass is both heat resistant and chemical resistant. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, as part of its borosilicate glassware for India and export.

Specifications

What Is the Boiling Tube Used For?

In physics, boiling tubes hold wax for melting-point and cooling-curve experiments and water for simple boiling observations; in chemistry, they are used to heat solutions, dissolve solids and carry out small reactions. The round bottom spreads heat evenly, and the clear glass lets students watch melting, boiling or colour changes as they happen.

Fill the tube only partly, hold it with a test tube holder at an angle with the mouth pointing away from people, and warm it gradually by moving it through the flame. Let it cool in a rack before washing, since sudden cooling of hot glass can crack it.

OEM Manufacturer

The Boiling Tube is made by Jain Scientific Equipments Private Limited, trading as ScienceLab, which as the OEM manufactures it at its own licensed factory at Saha, Ambala, Haryana, India. Labs and dealers get the glassware straight from the manufacturer, which keeps replacement orders simple when tubes are broken or worn; ask us about quantities. Background on the company is on the ScienceLab company profile.

Related Physics Lab Equipment

Items used with boiling tubes on the bench:

• Test Tube Holder — holding the tube safely over a flame
• Test Tube Rack — standing tubes upright while they cool
• Wax — paraffin wax for melting-point experiments
• Bunsen Burner — the heat source for most boiling-tube work

Find more glassware and heat apparatus in the Physics Lab category.

Frequently Asked Questions

What glass is the Boiling Tube made of?
The Boiling Tube (SCL-322/059) is made of clear borosilicate glass. Borosilicate is heat resistant and chemical resistant, so the tube can be warmed over a burner and used with common laboratory liquids under normal careful use.

How is a Boiling Tube different from a test tube?
A Boiling Tube is generally wider and sturdier than a standard test tube, giving room for liquids to boil without spurting out. Its round bottom spreads heat evenly, which suits heating wax, water or solutions strongly in practicals.

What size is the Boiling Tube?
Length and diameter are not listed for the Boiling Tube on this page. Ask through the ScienceLab contact page for the sizes currently offered, and state the size you need so the quotation matches your racks and holders.

How do I heat a Boiling Tube safely?
Heat a Boiling Tube gently at first, holding it with a test tube holder at an angle with the mouth pointing away from people. Move it through the flame rather than heating one spot, and let it cool in a rack before washing.

Who manufactures the Boiling Tube?
The Boiling Tube is an OEM product of Jain Scientific Equipments Pvt Ltd (ScienceLab), made at the company’s own licensed factory at Saha, Ambala, Haryana, India. Laboratories and dealers buy it direct from the maker rather than through a trading intermediary.

Can Boiling Tubes be ordered in bulk?
Yes, the Boiling Tube can be quoted in bulk for school and college labs in India and international markets. Share the product code SCL-322/059, the quantity and the delivery location; quotations come directly from the manufacturer.

Request a Quote

For Boiling Tube quantities, contact us through the ScienceLab contact page or add them to the enquiry cart. Quotations come direct from the manufacturer.

Last updated: 24 September 2026

Lid (Having Two Holes) (Product Code: SCL-323/060) is a vessel cover with two openings, used to close a calorimeter or similar vessel while a thermometer and a stirrer pass through it in heat experiments. Physics teachers use it to cut heat loss from the liquid surface during calorimetry and cooling practicals. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, for use in school heat experiments.

Key Details

What Is the Lid with Two Holes Used For?

In calorimetry and cooling experiments, heat escapes from an open vessel by convection and evaporation. Covering the vessel reduces that loss, while the two holes let a thermometer and a stirrer pass through so the liquid can be stirred and its temperature read without lifting the cover. This keeps results closer to the expected pattern in a Newton law of cooling apparatus or a method-of-mixtures experiment.

Fit the thermometer through a cork in one hole so its bulb hangs clear of the base, keep the stirrer moving freely in the other, and check that the lid sits flat on the rim before heating or mixing begins.

OEM Manufacturer

Jain Scientific Equipments Private Limited, trading as ScienceLab, is the OEM of this lid and makes it at its own licensed factory at Saha, Ambala, Haryana, India. Schools and dealers ordering heat apparatus can source the lid from the same manufacturer, which keeps replacements simple; ask us about matching sizes.

For institutional and tender vendor registration, the company’s details are GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. See the ScienceLab company profile for more.

Related Physics Lab Equipment

Heat apparatus used with a two-hole lid:

• Apparatus for Newton's Cooling Law — the cooling experiment where a covered vessel is used
• Calorimeter Set, Copper — a calorimeter for heat-exchange experiments
• Double Layered Bronze Pot — a double-walled vessel for heat work
• Rubber Cork — holding the thermometer snugly in its hole
• Stop Clock — timing temperature readings

See more heat apparatus in the Physics Lab category.

Frequently Asked Questions

What are the two holes in the Lid (Having Two Holes) for?
The two holes in the Lid (Having Two Holes) let a thermometer and a stirrer pass through while the vessel stays covered. Students can stir the liquid and read its temperature continuously without lifting the lid and losing heat.

Which vessel does the Lid (Having Two Holes) fit?
The Lid (Having Two Holes) is listed without a diameter, so please confirm the vessel it must fit, such as a calorimeter or double-walled pot, through the ScienceLab contact page. The quotation will then state the matching size.

What is the Lid (Having Two Holes) made of?
The material of the Lid (Having Two Holes) is not stated on this page. ScienceLab will confirm the material and finish with your quotation; mention the vessel and the liquids you use so the offer suits your experiment.

Why cover a calorimeter during heat experiments?
Covering the vessel with the Lid (Having Two Holes) cuts heat loss from the liquid surface by convection and evaporation. That keeps recorded temperatures closer to the ideal pattern in calorimetry and cooling-law practicals.

Who manufactures the Lid (Having Two Holes)?
The Lid (Having Two Holes) comes from Jain Scientific Equipments Pvt Ltd (ScienceLab), its OEM manufacturer, which makes it at its own licensed factory in Saha, Ambala, Haryana, India. Replacement lids for existing vessels can be requested from the same maker.

What should a quotation request for the lid include?
A quotation request for the Lid (Having Two Holes) should include the product code SCL-323/060, the vessel it must fit, the quantity and the delivery location. Schools and dealers in India and international markets can add related heat apparatus.

Request a Quote

Ask for a quotation through the ScienceLab contact page or add the lid to the enquiry cart, noting the vessel it must fit. Quotations come direct from the manufacturer.

Last updated: 24 September 2026

BI-metallic Sheet (Product Code: SCL-328/062) is a plain square sheet of iron and brass joined together, used to demonstrate the unequal thermal expansion of metals in school physics laboratories. When it is heated, the brass expands more than the iron and the sheet bends, the principle behind thermostats and fire alarms. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, and supplied as physics lab equipment to schools in India and abroad.

Specifications

What Is the Bimetallic Sheet Used For?

Held with tongs and warmed over a flame, the sheet curls with the brass on the outside of the curve because brass expands more than iron for the same rise in temperature; on cooling it returns towards flat. Students see directly that different metals expand by different amounts, and can link the effect to thermostats, fire alarms and flasher switches that use a bimetallic strip to open or close a contact.

Heat the sheet evenly and briefly, hold it only with tongs or an insulated holder, and let it cool on a heatproof surface. Asking the class to predict the direction of bending before revealing which face is brass turns the demonstration into a quick reasoning exercise.

OEM Manufacturer

Jain Scientific Equipments Private Limited, trading as ScienceLab, makes the BI-metallic Sheet as the OEM at its own licensed factory at Saha, Ambala, Haryana, India. Schools, colleges and importers buy it straight from the manufacturer with the rest of their heat apparatus, and repeat or replacement pieces are handled by the same team; ask us for details. See the ScienceLab company profile.

Related Physics Lab Equipment

Items used with the bimetallic sheet in expansion demonstrations:

• Bunsen Burner — heating the sheet evenly
• Crucible & Beaker Tongs — holding the hot sheet safely
• Metal/Steel Sheet (Rectangular) — a single-metal sheet for comparison
• Wax — showing heat conduction along metal surfaces

Browse all heat apparatus in the Physics Lab category.

Frequently Asked Questions

What metals is the BI-metallic Sheet made of?
The BI-metallic Sheet (SCL-328/062) is made of iron and brass joined in a square, plain sheet. Because the two metals expand by different amounts when heated, the sheet bends visibly, which is the effect students observe.

Which way does the BI-metallic Sheet bend when heated?
When heated, the BI-metallic Sheet bends with the brass on the outside of the curve, because brass expands more than iron for the same temperature rise. On cooling it straightens again, so the demonstration can be repeated.

Where is the bimetallic principle used?
The effect shown by the BI-metallic Sheet is used in thermostats, fire alarms, electric iron cut-outs and flasher switches, where a bimetallic strip bends to open or close an electrical contact as the temperature changes.

How do I heat the BI-metallic Sheet safely?
Hold the BI-metallic Sheet with tongs or an insulated holder and heat it evenly over a burner flame for a short time. Let it cool on a heatproof surface before handling, since both metals stay hot after the flame is removed.

Who manufactures the BI-metallic Sheet?
The BI-metallic Sheet is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India. Schools, colleges and importers order it directly from the manufacturer, usually together with other heat apparatus.

What size is the BI-metallic Sheet?
The dimensions of the BI-metallic Sheet are not listed on this page; it is described as square with a plain pattern. Ask through the ScienceLab contact page for the size and thickness currently made before ordering class quantities.

Request a Quote

Request a BI-metallic Sheet quotation through the ScienceLab contact page or add it to the enquiry cart. Quotations come straight from the manufacturer.

Last updated: 24 September 2026

Horizontal Friction Table (Product Code: SCL-329/063) is a mechanics apparatus used to demonstrate the composition of a force and to determine the coefficient of friction between different materials in school and college physics laboratories. Teachers use it as a compact friction experiment kit: a wooden base carries a hinged inclined plane and a pulley, and the plane can be set at any angle between 24 and 45 degrees. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.

Specifications

What Is the Friction Table Used For?

In a typical practical, the metal roller or a sliding block rests on the plane, a thread runs over the pulley to the scale pan, and weights are added to the pan until motion just begins. Comparing the loads needed at different settings lets students calculate the coefficient of limiting friction and resolve the weight of a body into components along and perpendicular to the plane.

Because the plane is hinged, the same table also supports angle-of-repose work: the plane is raised until a sample starts to slide and the angle is read, for materials whose angle falls within the 24–45° range. Keep the plane and sliding faces clean and dry, and tap the table lightly before each reading so that static friction does not give erratic results. It is a practical piece of mechanics lab equipment for school and undergraduate courses.

OEM Manufacturer

Jain Scientific Equipments Private Limited, which trades as ScienceLab, is the original equipment manufacturer (OEM) of this friction table. The table is produced and assembled at the company's own licensed factory at Saha, Ambala, Haryana, India, so schools, colleges and dealers buy directly from the maker rather than through a trader. Requests for a replacement roller or scale pan, and repeat orders, are handled by the manufacturer itself — just ask us. Read more on the ScienceLab company profile.

Related Physics Lab Equipment

These items are often ordered with the friction table to complete friction and inclined-plane practicals:

• Wooden Block — a sliding body for measuring limiting friction on the plane.
• Hangers with Slotted Weights — adds load to the scale pan in small, known steps.
• Spring Balance, Tubular — weighs the block or roller before the experiment.
• Inclined Plane with Roller & Pan — a separate inclined-plane set for force-resolution work.

Browse the full Physics Lab category for more mechanics apparatus.

Frequently Asked Questions

What is supplied with the Horizontal Friction Table?
The Horizontal Friction Table is supplied with a cylindrical metal roller and a scale pan, on a wooden base that carries the hinged inclined plane and pulley. Sliding blocks and slotted weights are not listed as included, so add them to your enquiry if you need them.

What angle range does the friction table's inclined plane cover?
The hinged plane on the Horizontal Friction Table can be set at angles between 24 and 45 degrees. This range suits angle-of-repose and force-resolution exercises; if your experiment needs angles outside it, discuss the requirement with us before ordering.

Which experiments can be performed with the Horizontal Friction Table?
The Horizontal Friction Table is used to determine the coefficient of friction between different materials and to demonstrate the composition of a force. Students load the scale pan over the pulley until the roller or a block begins to move, then calculate the coefficient from the recorded loads.

Who manufactures the Horizontal Friction Table?
The Horizontal Friction Table is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India. Buying from ScienceLab means dealing directly with the maker for quotations, replacement parts and repeat orders.

How should the friction table be cared for?
Store the Horizontal Friction Table in a dry place, wipe the inclined plane and roller before each class, and do not oil the sliding surface, because residues change friction readings. Check that the hinge and pulley move freely so the thread runs smoothly during experiments.

Can ScienceLab supply the Horizontal Friction Table in bulk?
Yes, the Horizontal Friction Table can be quoted in quantity for schools, colleges, dealers and importers in India and international markets. Share the number of units, delivery location and any accessories through the contact page so the manufacturer can prepare a quotation.

Request a Quote

To order the Horizontal Friction Table, send your quantity and delivery details through our contact page or add it to the enquiry cart. Quotations come direct from the manufacturer in Ambala.

Last updated: 24 September 2026

Apparatus for Newton's Cooling Law (Product Code: SCL-333/065) is a heat-transfer apparatus used to study how a hot body loses heat to its surroundings in school and college physics laboratories. Students use this Newton's law of cooling apparatus to record and compare cooling curves, with two copper calorimeters held in a trough inside an outer tank. It is produced by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.

Key Details

What Is the Newton's Cooling Apparatus Used For?

Newton's law of cooling states that the rate at which a body loses heat is proportional to the difference between its temperature and that of its surroundings. With this apparatus, hot water is poured into a calorimeter, a thermometer is passed through the wooden top, and the temperature is noted at regular intervals as it cools; plotting temperature against time gives the cooling curve.

Having two copper calorimeters lets a class cool two liquids, or two quantities of the same liquid, side by side under identical surroundings — the basis of finding the specific heat of a liquid by the method of cooling. Stir gently before each reading, keep the set away from draughts and fans, and start timing only once the thermometer reading is falling steadily. It is a dependable thermometry apparatus for calorimeter lab practicals.

OEM Manufacturer

ScienceLab is the brand name of Jain Scientific Equipments Private Limited, and the company is the OEM for this cooling-law apparatus. Each set is made at its own licensed factory at Saha, Ambala, Haryana, India, and dispatched factory-direct to schools, colleges, institutions and dealers. If your department later needs a replacement calorimeter or wooden top, ask the manufacturer directly. Background on the company is on the ScienceLab profile page.

Related Physics Lab Equipment

A cooling-law practical also needs timing, temperature measurement and a way to heat water. These items fit that workflow:

• Stop Clock — times the interval between temperature readings.
• Immersion Thermometer — reads the liquid temperature through the holes in the wooden top.
• Calorimeter, Copper — a spare copper calorimeter for extra samples.
• Beaker (Glass) — for heating and pouring the water or liquid under test.

See more heat and mechanics apparatus in the Physics Lab category.

Frequently Asked Questions

What does the Apparatus for Newton's Cooling Law consist of?
The Apparatus for Newton's Cooling Law consists of two copper calorimeters resting inside a trough, which stands in an outer tank. The outer tank has a wooden top with two holes, so a thermometer can sit in each calorimeter while cooling readings are taken.

Are thermometers included with the Newton's cooling apparatus?
Thermometers are not listed as part of the Apparatus for Newton's Cooling Law; the wooden top only provides two holes to hold them. Mention the thermometers you need in your enquiry and we will confirm what can be added to the quotation.

Why does the Newton's cooling apparatus have two calorimeters?
The Apparatus for Newton's Cooling Law has two copper calorimeters so two samples can cool side by side under the same conditions. This makes it straightforward to compare cooling curves, for example water against another liquid when finding specific heat by the method of cooling.

Who manufactures the Apparatus for Newton's Cooling Law?
Jain Scientific Equipments Pvt Ltd (ScienceLab) manufactures the Apparatus for Newton's Cooling Law as the OEM at its own licensed factory in Saha, Ambala, Haryana, India. Quotations, replacement parts and repeat orders are therefore handled by the manufacturer itself, without a trading intermediary.

How should the copper calorimeters be looked after?
After each practical, empty and dry the copper calorimeters of the Apparatus for Newton's Cooling Law and store the set with the wooden top in place. Avoid abrasive cleaners and dents, because a smooth, even surface gives more consistent cooling curves from class to class.

What information is needed for a quotation?
For a quotation on the Apparatus for Newton's Cooling Law, send the number of sets, whether thermometers or a stop clock should be included, and the delivery address through the contact page. Institutions and dealers in India and international markets can request quantity quotations.

Request a Quote

Ask for a quotation on the Apparatus for Newton's Cooling Law through our contact page, or place it in the enquiry cart with any accessories you need. You will receive the quotation directly from the manufacturer.

Last updated: 24 September 2026

Gold Leaf Electroscope (Product Code: SCL-335/066) is an electrostatics instrument used to detect electric charge and compare its size in school and college physics laboratories. Its leaf hangs in a sheet metal case with sliding glass panels, and an internal acrylic scale graduated 0–90° lets students read the deflection. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, as part of its school physics lab equipment range.

Specifications

What Is the Gold Leaf Electroscope Used For?

Touching the disc with a charged rod spreads charge to the blade and leaf, which repel each other so the leaf swings out; the angle read on the 0–90° scale shows how much charge is present. Students use it to show charging by contact and by induction, to find the sign of an unknown charge, and to compare how well different materials conduct or insulate.

Sliding the clear front panel up lets a teacher place ionising material inside the chamber to show that ionised air discharges the leaf. Work in dry conditions, earth the case through the side terminal between trials, and handle the leaf gently, since it is extremely thin.

What to Specify When Ordering

• Number of electroscopes needed for demonstration and student benches.
• Whether spare leaves are required in addition to the one pair supplied.
• Charging accessories, such as rods and rubbing cloths, to be quoted with it.

OEM Manufacturer

Jain Scientific Equipments Private Limited, trading as ScienceLab, is the OEM behind this gold leaf electroscope and produces it at its own licensed factory at Saha, Ambala, Haryana, India. The company is incorporated under CIN U29309HR2020PTC087597, and its Saha works operates under Factory Licence AMB-ONLINE-CHD-J-414. Schools, colleges and importers receive quotations straight from the manufacturer, and replacement leaves can be requested from it directly. More details are on the company profile.

Related Physics Lab Equipment

An electroscope needs charged objects to test. These items are used with it in electrostatics lessons:

• Ebonite Rod — rubbed with fur or wool to give a negative charge.
• Friction Rod, Glass/Brass, 300mm — for comparing charging of an insulator and a conductor.
• Friction Cloth, Cotton — a rubbing cloth for charging rods.
• Electroscope, Needle — an alternative detector type for comparison.

More electricity and electrostatics apparatus is listed in the Physics Lab category.

Frequently Asked Questions

What is included with the Gold Leaf Electroscope?
The Gold Leaf Electroscope is supplied complete with one pair of leaves, fitted in a rectangular sheet metal case with a removable disc electrode, sliding clear and ground glass panels, and an internal 0–90° acrylic scale. Charging rods and cloths are separate items.

How does the Gold Leaf Electroscope reduce charge leakage?
In the Gold Leaf Electroscope, the disc electrode passes through a moulded plastic bush that insulates it from the metal body, preventing charge leakage. The whole case also sits on an insulated base, helping the leaf hold its deflection long enough for readings.

What is the scale range of the Gold Leaf Electroscope?
The Gold Leaf Electroscope has a clear acrylic circular scale inside the chamber graduated from 0 to 90 degrees. Reading the leaf deflection against this scale lets students compare charges instead of only detecting them.

Can the leaves of the electroscope be replaced?
Yes. On the Gold Leaf Electroscope, the clear front panel slides up so a leaf can be fixed to the plated metal blade under the plastic bush. One pair of leaves is supplied; ask us about additional leaves when you request a quotation.

Who manufactures the Gold Leaf Electroscope?
The Gold Leaf Electroscope is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM, at its licensed factory in Saha, Ambala, Haryana, India. Buyers deal directly with the maker for quotations, replacement leaves and repeat supply to schools, colleges and dealers.

Why does the Gold Leaf Electroscope have an earthing terminal?
The side terminal on the Gold Leaf Electroscope connects the case to earth. Earthing gives a stable reference, lets students discharge the instrument quickly between trials, and is needed when demonstrating charging by induction.

Request a Quote

Request pricing for the Gold Leaf Electroscope on our contact page, or collect it with other items in the enquiry cart. The quotation is prepared by the manufacturer itself.

Last updated: 24 September 2026

Ohm's Law Apparatus (Product Code: SCL-337/067) is a pre-wired circuit unit used to verify Ohm's law by measuring the current through an unknown resistance at different voltages in school and college physics laboratories. It combines two moving-coil meters, a 5 V voltmeter and a 500 mA milliammeter, with a wire-wound potentiometer, making it a compact Ohm's law experiment kit for practical classes. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.

Specifications

What Is the Ohm's Law Apparatus Used For?

Students connect a resistor across the unknown-resistance sockets, switch on, and turn the potentiometer to raise the voltage in steps, noting the voltmeter and milliammeter readings each time. A straight-line graph of voltage against current passing through the origin verifies Ohm's law, and its slope gives the resistance.

Because the circuit is already wired and drawn on the front panel, practical time goes into measuring and graphing rather than connecting loose meters, which suits large classes. Keep the current within the 500 mA range, switch off before changing resistors, and use 4 mm leads for secure connections.

What to Specify When Ordering

• Number of units required for your laboratory.
• Whether the step-down transformer and lead wire should be included, and the mains supply available in your laboratory.
• The resistors you plan to test, so the 5 V and 500 mA meter ranges suit them.

OEM Manufacturer

As the original equipment manufacturer, Jain Scientific Equipments Private Limited (trading as ScienceLab) makes and assembles this Ohm's law unit at its own licensed factory at Saha, Ambala, Haryana, India. Because the apparatus comes straight from the factory, colleges and dealers have their quotations and technical questions answered by the people who build it. For a spare meter or replacement potentiometer, ask us. Learn more on the ScienceLab profile.

Related Physics Lab Equipment

To run Ohm's law practicals with different resistors, or to build the circuit from separate parts, consider:

• Carbon Resistance of Different Values — resistors to test across the unknown-resistance sockets.
• Banana Plug Connectors Leads — leads that fit the 4 mm sockets.
• Resistance Box — known resistances for checking the apparatus.
• Rheostat — for building an Ohm's law circuit from separate components.
• Battery Eliminator 12 Volt — a mains-operated DC source for bench circuits.

Explore other current-electricity apparatus in the Physics Lab category.

Frequently Asked Questions

What meters are fitted to the Ohm's Law Apparatus?
The Ohm's Law Apparatus has two moving-coil meters: a 5 V voltmeter and a 500 mA milliammeter, used together to measure the voltage across, and current through, the resistance under test. Keep readings within these ranges to protect the meters.

How is the unknown resistance connected to the Ohm's Law Apparatus?
The Ohm's Law Apparatus provides two 4 mm socket terminals for the unknown resistance and two more for the DC supply. Standard 4 mm banana-plug leads fit both, so resistors can be changed quickly between sets of readings.

Does the Ohm's Law Apparatus need an external power supply?
The Ohm's Law Apparatus has two 4 mm socket terminals for a DC supply, and its listing also mentions a step-down transformer with lead wire. The transformer output is not stated, so please confirm the supply arrangement with us when you request a quotation.

Who manufactures the Ohm's Law Apparatus?
Jain Scientific Equipments Pvt Ltd (ScienceLab) manufactures the Ohm's Law Apparatus as the OEM at its own licensed factory in Saha, Ambala, Haryana, India. Schools, colleges and dealers therefore get pricing, technical answers and repeat orders directly from the maker.

Is a calibration certificate available for the Ohm's Law Apparatus?
A calibration certificate for the meters in the Ohm's Law Apparatus is not part of the standard listing. If your institution needs one, raise it through the contact page before ordering so we can tell you what can be provided.

How does the printed circuit diagram help students?
The circuit diagram printed on the front panel of the Ohm's Law Apparatus shows how the meters, potentiometer and sockets are connected. Students can trace the circuit while taking readings, which helps them draw it correctly in their practical records.

Request a Quote

For the Ohm's Law Apparatus, send your requirement through the contact page or add it to the enquiry cart. Quotations are issued directly by the manufacturer.

Last updated: 24 September 2026

Wheatstone Bridge Apparatus (Product Code: SCL-339/068) is a slide-wire bridge used to find an unknown resistance by balancing it against a known one in school and college physics laboratories. It has nine heavy lock-type brass terminals, removable copper binding pieces across the end gaps and a pencil jockey, so it forms a Wheatstone bridge experiment kit once a galvanometer, cell and resistance box are added. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.

Specifications

What Is the Wheatstone Bridge Used For?

The bridge compares an unknown resistance with a known value taken from a resistance box. A cell drives current through the wire, a galvanometer is connected between the junction of the two resistances and the jockey, and the jockey is moved along the wire until the galvanometer shows no deflection; at that null point, the ratio of the two wire lengths equals the ratio of the resistances.

Students also use it to find the resistivity of a wire's material and to check the laws of resistances in series and parallel. Tighten each lock-type terminal fully, press the pencil jockey lightly rather than dragging it along the wire, and choose a known resistance that brings the balance point near the middle of the scale for the best precision.

OEM Manufacturer

The Wheatstone Bridge Apparatus is an original ScienceLab product: Jain Scientific Equipments Private Limited, the company behind the ScienceLab name, is its OEM and builds it at its own licensed factory at Saha, Ambala, Haryana, India. Colleges, schools, dealers and importers are quoted directly by the manufacturer, not through a trader. If a copper binding piece or the jockey goes missing, ask us about replacements. The company profile explains more about the business.

Related Physics Lab Equipment

A complete bridge circuit needs a null detector, a known resistance, a cell and a key. Items that complete the set-up:

• Resistance Box — supplies the known resistance arm.
• Moving Coil Galvanometer — centre-zero null detector for finding the balance point.
• Leclanche Cell — a cell to drive current through the bridge wire.
• One Way Key — switches the cell circuit on only while readings are taken.
• Wheatstone Bridge Four Gap — an alternative bridge model.

Find more electricity practical apparatus in the Physics Lab category.

Frequently Asked Questions

What is the Wheatstone Bridge Apparatus used to measure?
The Wheatstone Bridge Apparatus is used to measure an unknown resistance by comparing it with a known resistance at the null point of a galvanometer. The same set-up is used to find the resistivity of a wire and to verify series and parallel combinations of resistances.

How does the Wheatstone Bridge Apparatus keep end errors small?
On the Wheatstone Bridge Apparatus, the wire runs along the top of a wooden metre scale and is securely clamped to brass end strips, so end errors are negligible. The nine lock-type brass terminals also keep connection resistance to a minimum.

What accessories are needed with the Wheatstone bridge?
The Wheatstone Bridge Apparatus comes with a pencil jockey. To perform the experiment you also need a galvanometer, a cell, a plug key, a resistance box and connecting leads, all of which ScienceLab can include in the same quotation on request.

Who manufactures the Wheatstone Bridge Apparatus?
The Wheatstone Bridge Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), which is the OEM and produces it at its own licensed factory in Saha, Ambala, Haryana, India. Buyers deal with the manufacturer directly for quotations and replacement parts.

How should the bridge wire be looked after?
Keep the wire of the Wheatstone Bridge Apparatus clean and straight, and press the pencil jockey lightly at each test point instead of sliding it under pressure. Scraping thins the wire locally, which changes its resistance per unit length and spoils balance-point readings.

Can the Wheatstone Bridge Apparatus be ordered in bulk?
Yes. The Wheatstone Bridge Apparatus can be quoted in lab-set quantities for schools, colleges, dealers and importers across India and international markets. Send the number of units and any accessories through the contact page, and the quotation will come directly from the manufacturer in Ambala.

Request a Quote

Get a quotation for the Wheatstone Bridge Apparatus by writing to us on the contact page or adding it to the enquiry cart along with the accessories you need. Pricing comes straight from the manufacturer.

Last updated: 24 September 2026