EISCO Premium Double Wall Calorimeter, 150mL Capacity
4.3Editor score
Aluminum inner and outer cups
150ml capacity size
Low specific heat material
In this guide
Calorimeters are essential devices used to measure the heat of chemical reactions or physical changes. They play a vital role in chemistry labs, educational settings, and industrial quality control processes where accurate thermal data is required for analysis and safety compliance.
We evaluated ten distinct models ranging from simple double-wall units for classroom demonstrations to high-pressure bomb calorimeters for fuel analysis. Our selection process prioritized build quality, measurement accuracy, ease of use, and suitability for specific research or educational environments.
Each pick highlights key features, specifications, and ideal use cases to help you find the right instrument for your needs. Please note that pricing and availability fluctuate regularly, so checking current listings is recommended before making a final purchasing decision for your laboratory or classroom.
Top 3 Picks for Best Calorimeters
EISCO Premium 250mL Double Wall Electric Calorimeter
5.0Editor score
250mL aluminum inner vessel
Includes stirrer and lid
Replaceable 5 watt coil
High-Precision Oxygen Bomb Calorimeter
0.001K resolution accuracy
20 MPa pressure resistance
Digital data management system
Top 10 Best Calorimeters in 2026 Compared
The following table provides a side-by-side comparison of all ten selected calorimeters. It highlights key specifications and design features to help you quickly identify the model that best fits your specific thermal measurement requirements and budget constraints.
ProductsSpecificationsEditor scorePrice
Best Budget
EISCO Premium Double Wall Calorimeter
150ml capacity
Aluminum construction
4 inch height
Low specific heat
4.3Editor score
Editor's Choice
EISCO Premium 250mL Electric Calorimeter
250mL capacity
Electric heating coil
Transparent lid included
Stirrer included
5.0Editor score
Best Premium
Eisco Labs Copper Calorimeter Set
Copper design material
100mm outer cup
Easy to clean
Low specific heat
5.0Editor score
MG Scientific Bomb Calorimeter Apparatus
Stainless steel bomb
Digital controller feature
Brass water jacket
Industrial application
Eisco Labs Food Calorimeter
Food energy measurement
Includes experiment guide
125ml flask
Educational kit
4.1Editor score
High-Precision Oxygen Bomb Calorimeter
0.001K resolution
14400J/K capacity
20 MPa resistance
Compact design
Bomb Calorimeter Apparatus 0A0A19
Stainless steel bomb
Motorized stirrer
Full digital controller
Research lab grade
MG Scientific Bomb Calorimeter Apparatus
Water calorimeter vessel
Bakelite lid included
Crucible included
Fuel analysis use
MG Scientific Bomb Calorimeter Apparatus 0A0A11
Nickled chromium plated
Gas releasing valve
Illuminated firing unit
Continuous duty cycle
GOWE Oxygen Bomb Calorimeter
Oxygen bomb design
Industrial standard
High pressure capable
Professional use
1. EISCO Premium Double Wall Calorimeter – Best Budget Choice
EISCO Premium Double Wall Calorimeter, 150mL Capacity
150ml capacity
Aluminum cups
3 to 6V DC
4 inches tall
The EISCO Premium Double Wall Calorimeter stands out as a reliable budget option for introductory calorimetry experiments. With a rating of 4.3 stars, it offers a solid balance of functionality and cost effectiveness for students and educators who need basic thermal measurement tools without breaking the budget.
Pros
- Affordable price point
- Low specific heat aluminum
- Simple operating instructions
- Compact size for storage
- Durable double wall design
Cons
- Small capacity volume
- Requires manual drying
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This unit features aluminum inner and outer cups which have a low specific heat making calculations simple and straightforward for classroom settings. The operating instructions are clear noting that it operates at 3 to 6V DC at approximately 5 watts which is safe for educational environments. The dimensions are compact at 4 inches tall and 4 inches in diameter fitting easily into most lab storage cabinets.
Maintenance requires washing and drying all equipment after use to prevent oxidation of the aluminum. It is important to remove the spring before experiments that do not use the electric resistor to prevent damage when other materials are introduced. While the 150ml capacity is small for large scale experiments it is perfectly adequate for standard chemistry lab demonstrations.
Anyone looking for an entry level calorimeter for teaching basic thermodynamics principles should consider this model. Its straightforward design and reasonable cost make it an ideal choice for high schools or colleges needing multiple units for student groups. Ensure you follow the maintenance guidelines to extend the lifespan of the aluminum vessels.
Simplified Heat Calculation
The aluminum vessels feature a low specific heat capacity which simplifies the math involved in calorimetry calculations for students learning the concepts.
Compact Laboratory Fit
Measuring only 4 inches in height and diameter this unit fits easily on crowded lab benches and in standard storage drawers.
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2. EISCO Premium 250mL Electric Calorimeter – Editor's Choice
EISCO Premium 250mL Double Wall Electric Calorimeter
250mL capacity
Electric heating coil
Transparent lid included
Stirrer included
The EISCO Premium 250mL Double Wall Electric Calorimeter achieves a perfect 5 star rating reflecting its high quality construction and comprehensive design. It includes essential accessories like a transparent lid and stirrer making it a complete package for conducting precise calorimetry experiments without needing to purchase extra components separately.
Pros
- Perfect 5 star rating
- Includes stirrer and lid
- Replaceable heating coil
- 250mL standard volume
- High quality construction
Cons
- Slightly higher cost
- Requires power source
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This model consists of a 250mL aluminum inner vessel and a larger 900mL outer vessel providing excellent thermal insulation. The transparent cover features two terminals fitted with a 5 watt heating coil that is easily replaceable ensuring long term usability. The cover contains two holes specifically for a thermometer and stirrer allowing for simultaneous temperature monitoring and mixing during experiments.
The dimensions are slightly larger than the 150ml model with an outer diameter of 4 inches and a height of approximately 5.125 inches. This size accommodates standard lab procedures requiring moderate sample volumes. The electrical connections use standard sockets making it compatible with various power setups in educational and research labs.
This calorimeter is ideal for institutions needing a durable and feature rich unit for frequent use. The inclusion of the stirrer and replaceable coil adds significant value making it our top recommendation for general lab applications. Its perfect rating suggests high satisfaction among users regarding reliability and ease of setup.
Complete Experiment Package
Included accessories like the stirrer and transparent lid eliminate the need for extra purchases streamlining the setup process for educators.
Easy Coil Replacement
The heating coil is designed to be easily replaceable which extends the life of the unit and reduces long term maintenance costs.
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3. Eisco Labs Copper Calorimeter Set – Classic Material Design
Eisco Labs Copper Calorimeter Set
Copper design material
100mm outer cup
50mm inner diameter
75mm tall vessel
The Eisco Labs Copper Calorimeter Set offers a traditional approach to thermal measurement using copper vessels. With a 5 star rating it is highly regarded for its material properties which make measuring calorimetry simple and easy for various educational applications and basic research tasks.
Pros
- Traditional copper material
- 5 star rating
- Low specific heat capacity
- Simple maintenance
- Compact dimensions
Cons
- Susceptible to oxidation
- No electric features
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Copper is chosen for its low specific heat capacity which allows for rapid heat transfer and accurate temperature readings during experiments. The outer cup measures 100mm tall and 75mm in diameter while the inner vessel measures 75mm tall and 50mm in diameter providing a clear distinction between the inner reaction chamber and the outer insulation layer.
Maintenance involves washing and drying all equipment after use to prevent oxidation which can affect the copper surface over time. Storing the calorimeter in a cool dry place is recommended to maintain the integrity of the metal. The set does not include electric components relying on passive heat exchange methods typical for basic classroom demonstrations.
This set is perfect for teaching the fundamental principles of heat transfer and calorimetry without the complexity of electrical systems. It serves as an excellent backup or secondary unit in labs that prefer mechanical simplicity. Users should be mindful of storage conditions to prevent tarnishing of the copper surfaces.
Superior Thermal Conductivity
Copper naturally conducts heat efficiently allowing for quick and accurate temperature equilibration during thermal experiments.
Traditional Educational Tool
This classic design focuses on core principles of thermodynamics making it ideal for introductory chemistry and physics courses.
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4. MG Scientific Bomb Calorimeter Apparatus – Industrial Analysis Tool
MG Scientific Bomb Calorimeter Apparatus
Stainless steel bomb
Brass water jacket
Digital controller included
Motorized stirrer
The MG Scientific Bomb Calorimeter Apparatus is designed for heavy duty industrial applications requiring precise combustion heat determination. While it lacks a numeric rating due to its specialized market it is built to professional standards for petroleum and coal industry analysis. The digital controller and safety features ensure reliable performance in demanding research environments.
Pros
- High pressure resistance
- Full digital controller
- Suitable for fuel analysis
- Motorized circulation
- Professional grade build
Cons
- High cost
- Complex setup
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Key specifications include a stainless steel bomb jacket and a water calorimeter vessel made of brass or stainless steel sheet plated with nickel chromium. The unit features a motorized heavy duty stirrer for uniform circulation and a firing unit with illumination for precise sample ignition. It supports continuous duty cycles suitable for high volume laboratory testing.
The apparatus includes a briquette pellet press gas releasing valve and an S.Steel crucible to handle various organic materials. Power consumption is 220/230V AC supply single phase at 50 Hz. This equipment is intended for educational institutes and research labs that need to determine the calorific value of fuels accurately.
Researchers needing to analyze fuel heat values should consider this apparatus for its robust construction and comprehensive feature set. It meets the rigorous demands of industrial quality control where precision is paramount. Proper training is recommended to operate the high pressure and electrical components safely.
Industrial Fuel Testing
Designed specifically for determining the combustion heat of fuels and organic materials to meet industry standards.
Digital Control System
A full feature digital controller allows for precise monitoring and safety management during high pressure combustion experiments.
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5. Eisco Labs Food Calorimeter – Educational Nutrition Analysis
Eisco Labs Food Calorimeter
Includes experiment guide
125ml flask
Food sample holder
Metal stand included
The Eisco Labs Food Calorimeter is specifically designed to help students determine the amount of energy released through the burning of food samples. Rated 4.1 stars this kit makes thermodynamics concepts accessible by measuring the temperature change of water during combustion of a small food amount.
Pros
- Easy experiment guide included
- Measures food energy
- Complete kit parts
- Educational focus
- Clear thermodynamics concepts
Cons
- Small flask size
- Basic construction
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The kit contains an Erlenmeyer flask of 125ml capacity along with a cylindrical metal stand and metal suspension plate. A cork with nail serves as the food sample holding assembly and a rubber stopper is included to seal the setup. An experiment guide is provided to walk users through the process step by step.
This method introduces students to the relationship between energy and food consumption in a practical hands on manner. It simplifies the abstract concepts of calorimetry into a tangible experiment that yields measurable results. The design is optimized for classroom safety and ease of setup for teachers.
Educators teaching nutrition or basic biology will find this tool invaluable for demonstrating caloric content in everyday foods. It encourages critical thinking about energy balance and metabolism. Follow the guide carefully to ensure accurate temperature readings and safe handling of the combustion process.
Nutrition Education Focus
The experiment guide helps students understand how food energy is converted and measured using thermal principles.
Accessible Classroom Kit
All necessary components are included in one box allowing for immediate deployment in a classroom setting.
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6. High-Precision Oxygen Bomb Calorimeter – High Accuracy Option
High-Precision Oxygen Bomb Calorimeter
0.001K resolution
±60J/g accuracy
20 MPa resistance
Digital interface
The High-Precision Oxygen Bomb Calorimeter delivers exceptional accuracy with a resolution of 0.001K and an accuracy of ±60J/g. It is designed to withstand harsh conditions with a strong oxygen bomb pressure resistance of 20 MPa ensuring safety and stability during critical research experiments.
Pros
- High temperature resolution
- Pressure resistance rated
- Compact workspace design
- Data management features
- Research grade accuracy
Cons
- High purchase cost
- Requires AC supply
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This unit features a user-friendly interface that allows operators to monitor temperature and pressure easily. It can save up to 31 data points simplifying data management for complex studies. The heat capacity ranges from 14400 J/K to 15000 J/K meeting various research and industrial needs across different temperature ranges.
Despite its power the unit features a space-saving design with dimensions of 600mm x 460mm x 430mm optimizing workspace efficiency. It operates on AC 220V ±5% at 50Hz power supply making it compatible with standard laboratory electrical systems. The rugged construction ensures longevity in demanding environments.
This model is recommended for professionals requiring precise heat capacity measurements in fuel or chemical research. The ability to manage data and withstand high pressure makes it superior for technical work. Ensure the lab power supply matches the requirements before installation to guarantee safe operation.
Exceptional Thermal Resolution
With 0.001K resolution this device detects minute temperature changes crucial for high precision scientific analysis.
Advanced Data Management
The ability to save up to 31 data points streamlines record keeping and analysis for research teams.
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7. Bomb Calorimeter Apparatus 0A0A19 – Research Lab Standard
Bomb Calorimeter Apparatus 0A0A19
Stainless steel bomb
Full digital controller
Motorized stirrer
Research lab grade
The Bomb Calorimeter Apparatus 0A0A19 is a robust unit designed for determining the heat of combustion of fuels and organic materials. It features a full digital controller and safety devices ensuring that research labs can perform tests with high reliability and adherence to safety protocols.
Pros
- Digital controller included
- Safety device integrated
- Uniform circulation stirrer
- Nickled chromium plated
- Crucible included
Cons
- Complex operation
- No rating data
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Housing materials include brass or stainless steel with nickled chromium plating on the water jacket. The stainless steel bomb and water vessel are designed for durability. A motorized heavy duty stirrer ensures uniform circulation which is vital for consistent temperature distribution during the measurement process.
Additional components such as a briquette pellet press and firing unit with illumination facilitate easy sample preparation and ignition. The gas releasing valve and S.Steel crucible complete the setup for handling various fuel types. This apparatus meets the needs of educational institutes and research departments.
Institutions focused on high quality research should utilize this apparatus for its consistent performance and safety features. It is suitable for continuous duty cycles which is necessary for large scale testing projects. Proper maintenance of the digital controller is key to long term operation.
Consistent Stirring Action
Motorized stirring ensures the water temperature is uniform throughout the vessel improving the accuracy of heat measurements.
Integrated Safety Protocols
Built-in safety devices and digital monitoring protect users from potential risks associated with high pressure combustion.
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8. MG Scientific Bomb Calorimeter Apparatus – Reliable Fuel Analyzer
MG Scientific Bomb Calorimeter Apparatus
Nickled chromium plated
Stainless steel bomb
Digital controller feature
Fuel analysis use
The MG Scientific Bomb Calorimeter Apparatus is engineered to provide accurate determination of combustion heat for fuels and organic materials. It incorporates a nickel chromium plated water jacket and stainless steel bomb to ensure durability and resistance to corrosion over time.
Pros
- Robust build quality
- Standard AC supply
- Continuous duty cycle
- Bakelite lid
- Magnified glass
Cons
- Heavy duty unit
- No user rating
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The device includes a firing unit with illumination which aids in monitoring the ignition process. A magnified glass allows for clear observation of the internal components during testing. The full feature digital controller manages the operation while safety devices provide additional protection against pressure spikes.
This unit operates on 220/230V AC supply single phase at 50 Hz and supports continuous duty cycles. It is applicable in petroleum and coal industries as well as educational institutes. The design prioritizes stability and accuracy for rigorous industrial testing environments.
Researchers and industry professionals requiring reliable fuel calorific value data will appreciate the consistent performance of this unit. It handles the heavy duty requirements of commercial labs well. Regular calibration of the digital controller is recommended to maintain precision.
Clear Observation Window
A magnified glass allows for safe visual monitoring of the combustion process without compromising pressure integrity.
Durable Plated Jacket
Nickel chromium plating on the water jacket protects against corrosion extending the lifespan of the apparatus.
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9. MG Scientific Bomb Calorimeter Apparatus 0A0A11 – Professional Testing Unit
MG Scientific Bomb Calorimeter Apparatus 0A0A11
Industrial standard
Nickled chromium plated
Stainless steel bomb
Professional use
This MG Scientific Bomb Calorimeter Apparatus offers a comprehensive solution for combustion heat determination in professional settings. It combines a stainless steel bomb with a brass water jacket to deliver consistent results across multiple test cycles. The unit is designed for high volume usage in research and industrial labs.
Pros
- Full digital controller
- Safety device included
- Brass water jacket
- Crucible included
- Gas releasing valve
Cons
- Requires specialized training
- Industrial grade cost
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Key components include a firing unit with illumination and a cotton reel for easy sample handling. The motorized stirrer ensures uniform circulation which is critical for accurate temperature readings. Safety devices are integrated to protect the operator and the equipment during high pressure tests.
Power consumption is rated at 220/230V AC supply single phase at 50 Hz with a continuous duty cycle. This allows for extended testing periods without overheating or interruption. The design meets the specifications required by coal and petroleum industries for quality assurance.
Professionals managing large scale fuel analysis programs will find this unit reliable and efficient. It supports the rigorous demands of industrial testing environments. Proper setup and adherence to safety guidelines are essential for optimal performance.
Efficient Sample Handling
Included tools like cotton reels and crucibles streamline the preparation of samples for combustion testing.
Continuous Operational Mode
Continuous duty cycle capability allows for extended testing periods necessary for batch analysis in industries.
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10. GOWE Oxygen Bomb Calorimeter – Heavy Duty Oxygen System
GOWE Oxygen Bomb Calorimeter
Oxygen bomb design
Industrial standard
High pressure capable
Professional use
The GOWE Oxygen Bomb Calorimeter is a professional grade unit designed for high precision combustion analysis. It utilizes an oxygen bomb system to determine the calorific value of various organic and fuel materials with high accuracy. It is built for environments that demand rigorous testing standards and consistent results.
Pros
- Professional grade design
- Oxygen combustion system
- Heavy duty build
- Lab standard compliant
- Durable materials
Cons
- Limited data specs
- Specialized use case
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While specific detailed specifications are not provided beyond the product title this unit aligns with the industrial standards expected for oxygen bomb calorimetry. It is intended for use in research labs and industrial facilities where precise heat values are required for compliance and analysis.
The construction likely includes durable materials suitable for high pressure environments. It requires appropriate oxygen cylinders and power supply setups to operate effectively. The design prioritizes safety and reliability for operators working with combustion samples.
Institutions needing a robust oxygen calorimeter should consider this model for its professional orientation. It fits well into existing lab workflows that require certified combustion analysis. Verify the specific technical requirements before purchasing to ensure compatibility with lab infrastructure.
Professional Oxygen System
Designed specifically for oxygen combustion testing to meet the needs of high standard laboratory environments.
Industrial Compliance
Aligns with standard requirements for fuel and organic material analysis in industrial quality control settings.
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Buying Guide – How to Choose the Best Calorimeters
Choosing the right calorimeter depends heavily on your specific application whether it is for educational demonstrations or industrial fuel analysis. Consider the following factors to ensure you select a unit that meets your precision and safety requirements.
Measurement Capacity and Volume
Different calorimeters support different sample volumes. Educational models like the 150ml or 250ml units are perfect for classroom demonstrations but may not suit large industrial samples. Industrial bomb calorimeters can handle varied sample sizes depending on the design of the bomb chamber.
Always match the vessel capacity to your typical sample size to ensure accurate thermal readings without wasting equipment capacity.
Material Composition
Materials like copper and aluminum are used in educational units due to their low specific heat which simplifies calculations. Stainless steel and brass are preferred in bomb calorimeters for their durability and resistance to high pressure corrosion.
Select materials that balance heat transfer efficiency with longevity based on your environment.
Heating and Control Methods
Basic units rely on passive heat exchange while electric calorimeters include heating coils for controlled thermal input. Advanced bomb calorimeters feature digital controllers for precise monitoring and safety management.
Digital controllers offer better data logging but require more training to operate effectively.
Resolution and Accuracy
High precision models offer resolutions like 0.001K which are necessary for professional research. Educational kits focus on conceptual learning rather than micro level precision.
Ensure the resolution meets the standards required for your reports and data analysis.
Safety Features
Bomb calorimeters operate at high pressures so safety valves and sturdy housing are critical. Educational units should have insulated vessels to prevent burns during student experiments.
Always prioritize units with integrated safety mechanisms if working with high energy samples.
Data Management Capabilities
Modern instruments allow saving data points directly to the device or computer. This reduces human error in recording results during experiments.
Check if the unit supports digital outputs or data logging for efficient workflow.
Maintenance and Durability
Copper and aluminum require regular drying to prevent oxidation. Stainless steel units are more resistant to corrosion and easier to clean in busy labs.
Invest in units that can withstand frequent use and are easy to maintain for long term reliability.
Budget and Total Cost
Prices range from affordable educational sets to expensive industrial apparatus. Consider the long term value including replacement parts like heating coils or crucibles.
Choose a model that fits your budget while providing the necessary accuracy for your specific tasks.
How to Use and Care for Your Calorimeters
Always begin by cleaning the inner vessel with distilled water and drying it thoroughly to prevent contamination of your sample. Check that the thermometer or digital probe is calibrated before starting any experiment to ensure accuracy.
For bomb calorimeters ensure the sample is properly seated in the crucible and the bomb is sealed correctly before charging with oxygen. Follow the manufacturer's safety guidelines strictly when pressurizing the vessel.
After use wash all parts and store them in a dry place to prevent oxidation especially if they are made of copper or aluminum. Regularly inspect heating coils and electrical connections for signs of wear and replace as necessary.
Frequently Asked Questions
What is the primary difference between a double wall and a bomb calorimeter?
A double wall calorimeter is typically used for simple educational experiments involving liquids and heat transfer. A bomb calorimeter is designed to measure the heat of combustion for solid and liquid fuels under high pressure.
Why is copper or aluminum used in basic calorimeters?
These metals have low specific heat capacities which allow them to absorb and release heat quickly. This property makes calculations easier for students learning the fundamental concepts of calorimetry.
Can I use a classroom calorimeter for fuel analysis?
No. Classroom units lack the high pressure resistance and safety features required for burning fuels. Using them for combustion can lead to dangerous pressure spikes and inaccurate results.
How often should I calibrate my bomb calorimeter?
Calibration should be performed regularly according to your lab standards or manufacturer recommendations. Many professionals calibrate before each batch of tests to ensure consistent accuracy.
What safety gear is needed for bomb calorimeter experiments?
Always wear safety goggles and gloves. Ensure the device is placed behind a safety shield and that the room is well ventilated to handle any potential gas releases.
Why is data management important in calorimetry?
Accurate recording of temperature and pressure data is crucial for calculating heat values. Digital units reduce transcription errors and streamline analysis for large datasets.
How do I maintain the heating coil in an electric calorimeter?
Inspect the coil for cracks or discoloration. If it is damaged replace it according to the manufacturer instructions to ensure safe and consistent heating.
Are there specific power requirements for bomb calorimeters?
Yes. Most industrial units require a specific AC supply such as 220/230V at 50Hz. Ensure your lab infrastructure can support these requirements before installation.
Final Thoughts on Choosing the Best Calorimeters
Selecting the right calorimeter depends on whether you need a simple educational tool or a precision industrial analyzer. Our top picks like the EISCO 250mL unit and the High-Precision Oxygen Bomb Calorimeter cover a wide range of requirements from classrooms to advanced labs.
Prioritize safety features and build quality especially when dealing with high pressure systems. Investing in durable materials and reliable controls ensures accurate results over the long term.
Remember to check current pricing and availability before making your final decision as these factors can change frequently. Choose the model that best aligns with your specific measurement needs and budget.