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Heat Manufacturer, Suppliers and Exporter in India

Science Lab Supplies is leading Heat Manufacturer,and supplier and Exporter in India, Algeria (Algiers), Angola (Luanda), Argentina (Buenos Aires), Armenia (Yerevan), Australia(Canberra), Austria (Vienna), Bahrain (Manama), Bangladesh (Dhaka), Bhutan (Thimphu), Bolivia (Sucre), Botswana (Gaborone), Brazil (Brasília), Brunei (Bandar Seri Begawan), Montenegro (Podgorica), Morocco (Rabat), Mozambique (Maputo), Myanmar (Naypyidaw), Namibia (Windhoek), Nepal (Kathmandu), New Zealand (Wellington), Nigeria (Abuja), Oman (Muscat), Palestine (Ramallah), Panama (Panama City), Papua New Guinea (Port Moresby), Paraguay (Asunción), Peru (Lima), Philippines (Manila)¸ Portugal (Lisbon), Qatar (Doha), Rwanda (Kigali), Saudi Arabia (Riyadh), Senegal (Dakar), Serbia (Belgrade), Sierra Leone (Freetown), Slovakia (Bratislava), South Africa (Cape Town) (Pretoria) (Bloemfontein), South Sudan (Juba), Spain (Madrid), Sri Lanka (Sri Jayawardenepura Kotte) (Colombo), Sudan (Khartoum), Syria (Damascus), Tanzania (Dodoma), Thailand (Bangkok), Togo (Lomé), Tonga (Nuku'alofa), Trinidad and Tobago (Port of Spain), Tunisia (Tunis), Turkey (Ankara), Turkmenistan (Ashgabat), Uganda (Kampala), United Arab Emirates (Abu Dhabi), United Kingdom (London), United States (Washington, D.C.)

Last updated: 22 October 2026

Quick Answer

Science Lab Supplies makes thermal physics apparatus for school and college heat practicals at its factory at Plot 448, HSIIDC Industrial Area, Saha, Ambala, India. The range currently lists 10 items: thermal expansion apparatus, thermal conductivity sets by Searle's and Lee's methods, calorimeters with a constant level tank, and apparatus for the mechanical equivalent of heat and for the ratio of the specific heats of air.

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Explore the Heat Range

The ten apparatus fall into four groups by the heat effect they study: expansion, conduction, calorimetry, and work-to-heat with the specific-heat ratio of air; each group name opens its table.

Range	Items	What it covers
Thermal expansion	3	Ball and ring, metal-rod pyrometer and steam-heated linear expansion of solids
Thermal conductivity	2	Searle's bar method for good conductors and Lee's disc method for poor conductors
Calorimetry and specific heat	3	Joule's electrical calorimeter, Callendar and Barne's continuous-flow method and a constant level tank
Mechanical equivalent of heat and gas specific heats	2	Joule's churning-vane apparatus and the Clement and Desormes method for Cp/Cv of air
Total	10

Heat Specifications

One key figure is listed for each apparatus from its product page; sizes, included parts and the items to arrange separately are on the linked pages. Packing, delivery time and price appear in the offer for the number of sets ordered.

Thermal expansion (3)

Product	Key specification
Ball and Ring Apparatus	19 mm brass ball and brass ring on a rod, wooden handle
Pyrometer	Three test rods of different metals, spirit furnace included
Linear Expansion Apparatus	Metal rod in a steam jacket with end-mounted expansion indicator

Note: The linear expansion apparatus is supplied without a steam source, and the pyrometer furnace comes without spirit.

Thermal conductivity (2)

Product	Key specification
Searle's Thermal Conductivity Apparatus	Copper rod 30 cm long; 1.8, 2.5 or 3.7 cm diameter
Lee's And Charlton's Apparatus	Brass slab 11 cm diameter x 10.5 mm, brass steam chest

Note: Both sets are heated by steam; thermometers are not included with the Searle's apparatus.

Calorimetry and specific heat (3)

Product	Key specification
Joule's Calorimeter	5 x 7.5 cm copper calorimeter with built-in heating coil
Callendar and Barne's Apparatus (Continuous Flow)	Borosilicate flow tube with a nichrome coil of about 40 cm
Constant Level Tank	Copper vessel 100 x 75 mm with central overflow tube

Note: The Callendar and Barne's apparatus draws its water from a constant level tank on a stand, which keeps the flow rate uniform.

Mechanical equivalent of heat and gas specific heats (2)

Product	Key specification
Joule's Mechanical Heat Experiment Apparatus	Cast aluminium rotor, copper water vessel, two pulleys
Clement and Desormes Apparatus	10 litre glass bottle with brass cap and manometer on stand

Note: Mercury for the Clement and Desormes manometer is not included.

A heat practical bench usually also needs power, meters, glassware and gas-law apparatus, and items from these ranges can go on the same quotation as the heat sets.

Range	Why it relates
Physics Lab	Bimetallic strip, copper and aluminium calorimeters, immersion heater and thermal insulation apparatus
Properties of Matter	Charles's and Boyle's law apparatus and the expansion of liquid apparatus
Applied Mechanics	Copper calorimeter set and brass ring and ball apparatus
Electrical and Electronics	Battery eliminators and rheostats for the heating coils of Joule's calorimeter and the Callendar and Barne's apparatus
Lab Meters	Ammeters and voltmeters for electrical calorimetry
Lab Glassware	Beakers, flasks and measuring cylinders for water and steam work
Elasticity and Surface Tension	Searle's pattern elasticity and viscosity apparatus for the same college practical course

Who This Range Suits

The range suits Class 9-10 science and Class 11-12 physics labs, B.Sc. physics departments, polytechnics and teacher-training colleges. The ball and ring and the pyrometer show expansion in class, the linear expansion, Searle's and Lee's sets measure expansion and conductivity, the calorimeters cover heat from an electric current and specific heat of water, and Joule's and Clement and Desormes apparatus support thermodynamics practicals.

Other Science Lab Supplies Equipment Ranges

Range	Link
Physics Lab Equipment	View range
School Lab Equipments	View range
Educational Lab Equipment	View range
Laboratory Equipments	View range
Engineering Laboratory Equipment	View range

Frequently Asked Questions

Are these heat apparatus made by Science Lab Supplies?

Yes. All ten apparatus are produced at the company's own works at Plot 448, HSIIDC Industrial Area, Saha, Ambala. The product page of each one lists the materials, sizes and the parts that come with it.

Which heat apparatus run on steam?

The linear expansion apparatus, Searle's thermal conductivity apparatus and Lee's and Charlton's apparatus are all steam-heated. The linear expansion page states that the steam source is not provided, so mention the steam supply you have when you enquire.

What should I arrange separately for these sets?

Thermometers are not included with Searle's apparatus, the pyrometer's spirit furnace comes without fuel and mercury is not supplied for the Clement and Desormes manometer. Each product page lists what is and is not included.

Which method does each conductivity set use?

Searle's apparatus passes heat along a copper rod from a steam jacket to a water-cooled spiral and suits good conductors. Lee's and Charlton's apparatus uses a brass slab and steam chest to compare thin layers of poorly conducting material.

Can heat apparatus be priced together with other physics items?

Yes. Heat sets from this page can share one offer with calorimeter power supplies, meters, gas-law apparatus or glassware from the related ranges, so a full thermal physics bench is priced at once.

Clement and Desormes Apparatus

Product Code : LSK-H-11163

The cap is fitted with one bent tube, one stopcock for connection to a pump and another stopcock for opening to air.

Note:

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