Introduction
A calorimeter is an instrument used to measure the heat of chemical reactions, physical changes, and heat capacity, by measuring the temperature change of a system with a known heat capacity, and it is used in chemistry, physics, biology, food science, and industry for thermal analysis and energy measurements. The calorimeter consists of a sample chamber or vessel, in which the sample and the reaction or process take place, surrounded by a medium of known heat capacity, such as water in a bomb calorimeter, and a sensitive thermometer or temperature sensor; the heat released or absorbed by the sample is calculated from the temperature change of the system, and different types of calorimeters are used for different applications, including the bomb calorimeter for measuring the heat of combustion of fuels and foods, the differential scanning calorimeter for measuring heat flow as a function of temperature, the solution calorimeter for measuring the heat of dissolution and reaction, and the adiabatic calorimeter. Calorimeters are used for measuring the calorific value of fuels, foods, and biomass, for measuring the heat of chemical reactions, for studying phase transitions and thermal properties of materials, for determining the heat capacity, for research in thermodynamics and chemistry, for quality control of fuels and foods, and for many other applications, and they are available as benchtop instruments with features such as precise temperature measurement, automated operation, and data analysis. With their measurement of heat, calorimeters are essential instruments for thermal analysis and energy measurements.
Differential Scanning Calorimeter LDSC-T2015
Differential Scanning Calorimeter features a temperature range of RT to 1250℃ and a heating rate of 0.1 to 80℃/min. It is equipped with advanced an imported high-frequency core control...
Differential Scanning Calorimeter LDSC-T2014
Differential Scanning Calorimeter operates within a temperature range of -40 to 600°C, ensuring reliable thermal analysis. A heating rate of 0.1 to 100°C per minute allows precise cont...
Differential Scanning Calorimeter LDSC-T2011
Differential Scanning Calorimeter temperature range within RT to 600℃. Imported high-sensitivity sensors are used to enhance signal sensitivity and accuracy effectively. Optimized dynam...
Differential Scanning Calorimeter LDSC-T2010
Differential Scanning Calorimeter has heat flow ranges from 0 to ± 600mW for precise quantitative analysis of energy changes in processes. Our calorimeter utilizes multiple thermocouple...
Differential Scanning Calorimeter LDSC-T2013
Differential Scanning Calorimeter Operates within a temperature range extending from ambient room temperature to 1550℃. Incorporate an innovative Platinum rhodium alloy sensor that ensu...
Differential Scanning Calorimeter LDSC-T2012
Differential Scanning Calorimeter is a compact and tabletop type fully automatic controlled unit. Features -150 to 550°C of temperature range with 0.1 to 80°C/min of heating rate and 1...
Standards
Complies with the above standards, but is not limited to them.
Features
1. Calorimeters for measuring heat of reaction, combustion or specific heat.
2. Precision thermal measurement for energy content and thermodynamic properties.
3. Suitable for chemical, pharmaceutical, fuel, material, food and research labs.
4. Includes calorimeter vessel, temperature measurement, controller, software and manual.
5. Supports calorimetric measurement for energy content, reaction enthalpy and thermodynamics.
FAQ
Q1: What testing scenarios are these calorimeters mainly applied to?
A: Calorimeters are used in chemical research, pharmaceutical development, fuel testing, materials science, food analysis, energy industry and research to measure the heat of combustion, reaction, solution or specific heat of materials for energy content determination, thermodynamic property measurement and quality control. They support fuel and coal calorific value testing (bomb calorimetry), chemical reaction enthalpy measurement, pharmaceutical heat of reaction and stability, food calorie content determination, material specific heat measurement, cement and construction material testing, and thermodynamic research. Calorimetry provides fundamental thermodynamic data essential for product development, quality control and energy assessment across multiple industries.
Q2: What standards do these calorimeters comply with?
A: Calorimeters follow relevant ISO, ASTM and GB/T standards depending on type: bomb calorimeters follow ASTM D240, ISO 1928, GB/T 213 for coal; food calorimetry follows AOAC methods; reaction calorimeters follow relevant chemical engineering standards. The hardware complies with IEC 61010 laboratory safety standards. Calibration should use certified reference materials (e.g., benzoic acid for bomb calorimetry) traceable to international standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole calorimeter is covered by a 12-month warranty. The calorimeter vessel, temperature measurement system, controller, software and housing are covered, while crucibles, fuses, ignition wire and reference materials are consumables or accessories. Damage from improper use or unauthorized repair is excluded. Extended service contracts are available for this analytical instrument.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained analytical personnel familiar with calorimetry, sample preparation and safety (especially bomb calorimetry with high-pressure oxygen). We provide operation manuals, training and application support. Proper sample preparation, calibration, oxygen filling (for bomb), temperature measurement and safety procedures are critical for accurate results and safe operation.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with certified reference materials (benzoic acid for bomb) recommended every 6-12 months or per batch for critical testing. Routine verification with a standard sample per batch. Temperature measurement system verified periodically. Full system performance verification annually. Routine cleaning of calorimeter vessel recommended.
Q7: Are supporting consumables universal?
A: Crucibles, ignition wire, oxygen, reference materials and cleaning supplies are available from laboratory suppliers, though instrument-specific parts should be verified. Long-term consumable cost depends on test volume and type.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes calorimeter type (bomb, reaction, differential, adiabatic, isothermal), sample capacity, temperature range, automation level, software features and accessories. Additional crucibles and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, calorimeters include on-site installation, commissioning, calibration and operator training by certified specialists. Site preparation guidance is provided before delivery.
Q10: What types of samples are compatible with this equipment?
A: Calorimeters measure heat properties of solid, liquid and gaseous samples within the sample size, temperature range and calorimeter type specification. Bomb calorimeters are suitable for combustible solids and liquids (coal, fuel, food); reaction calorimeters for chemical reactions; specific heat calorimeters for materials. Different sample types require specific preparation and crucibles. Users should follow the specific test standard for the sample type, use certified reference materials for calibration, ensure proper sample preparation (homogenization, drying), for bomb calorimetry use proper oxygen pressure and safety procedures, report results with method and conditions specified, and for fuel testing, report gross and net calorific values. The calorimeter should be maintained per manufacturer schedule. For bomb calorimetry, the bomb should be inspected regularly for corrosion and safety. Oxygen supply should be clean (medical or research grade). Waste should be disposed of per applicable regulations. Samples should be representative and properly prepared. For food calorie testing, follow AOAC methods and report results in kcal/g or kJ/g. The calorimeter vessel should be cleaned between samples to prevent cross-contamination.
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.