Dilatometer Calorimeters and Thermal Analyzers
Last Updated: April 1, 2025
Description
Dilatometer calorimeters and thermal analyzers are instruments used to measure the expansion or shrinkage of solids as their temperature changes. These devices are crucial in determining the thermal properties of materials, providing insights into how materials behave under varying thermal conditions.
Working Principle
Dilatometer calorimeters operate by measuring the dimensional changes of a sample as a function of temperature. This is achieved by placing the sample in a controlled temperature environment and recording its expansion or contraction. The principle behind this technique is based on the fact that most solids expand when heated. The data collected can be used to calculate the coefficient of thermal expansion, which is a critical parameter in material science. These instruments are useful because they provide precise measurements of thermal expansion, which is essential for understanding material properties and behavior under thermal stress.
Applications
Dilatometer calorimeters are used in a variety of applications, particularly in materials science and engineering. For example, they are employed in the analysis of metals, ceramics, and polymers to determine their thermal expansion properties. This information is vital for designing materials that must withstand specific thermal conditions, such as components in aerospace engineering or electronic devices that experience significant temperature fluctuations.
Advantages over other Calorimeters and Thermal Analyzers
One of the advantages of dilatometer calorimeters over other types of calorimeters and thermal analyzers is their ability to provide direct measurements of dimensional changes in materials. This capability is particularly beneficial when precise thermal expansion data is required, which might not be as accurately obtained through other methods like differential thermal analysis (DTA) or differential scanning calorimetry (DSC).
Limitations
Dilatometer calorimeters have specific limitations, such as the potential for inaccuracies if the sample material is not properly suspended between the furnace wall and the pushrod. If the sample drags on any surface, it can lead to erroneous readings of thermal expansion. Additionally, materials that sag or flow under their own weight at high temperatures can also produce inaccurate results and potentially damage the instrument.
Considerations
When considering the use of dilatometer calorimeters, several factors should be taken into account. Initial costs can be significant, as these instruments require precise manufacturing and calibration. Operating expenses may include maintenance and calibration to ensure accuracy over time. Durability is generally high, but care must be taken to avoid damage from improper sample handling. Accuracy is a strong point of these devices, provided they are used correctly. Replacement and maintenance costs should be factored into the overall cost of ownership, as regular servicing is necessary to maintain performance.
from NETZSCH-Gerätebau GmbH
DIL 402 CD - Vacuum-tight, horizontal pushrod dilatometer. Are higher sample throughput, direct comparison of samples, and online calibration of expansion measurements important requirements for you? With the new dilatometer DIL 402 CD we handle these tasks perfectly with our unique, new instrument... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2000
- Properties Measured: Thermal Expansion Measurements
- Features: Cooling; Atmosphere Control; Temperature Control
from Linseis Inc.
Features. 8 measuring systems operate simultaneously. temperature range -40 °C up to +160 °C. sample dimensions 4 x 10 x 80mm. measuring sensor LVDT. 32 Bit Software running in Microsoft ® operating environment. Description. The Linseis dilatometer L75/120LT was developed to measure the... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -40 to 160
- Properties Measured: Expansion Of Polymer Samples
- Thermal Analyzer Performance Specs: Samples Length: 80-100mm
from NETZSCH-Gerätebau GmbH
DIL 402 C - Vacuum-tight, horizontal pushrod dilatometer. When it comes to determination of the linear thermal expansion in solids, liquids, powders and pastes as well as ceramic fibers, the DIL 402 C vacuum-tight pushrod dilatometer leaves no measurement problem unsolved. The perfect design of the... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2000
- Properties Measured: Thermal Expansion Measurements
- Features: Cooling; Atmosphere Control; Temperature Control
from Linseis Inc.
Unmatched resolution and absolute accuracy is now possible due to the development of the Linseis Laser Dilatometer of the Pico-series. As the name indicates already the resolution goes up to Picometers (0,3 nm = 300 Picometer). That means resolutions can be obtained which are up to a factor 33,33... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: 20 to 1000
- Properties Measured: Expansion
- Thermal Analyzer Performance Specs: Non Contact Measurement, Theoretically an Indefinite Resolution
from NETZSCH-Gerätebau GmbH
DIL 402 PC - Horizontal pushrod dilatometer. The newly developed DIL 402 PC dilatometer combines easy operation, high adaptability to different applications and outstanding performance in one instrument. The optimized design of the measurement system with inductive transducer offers a high degree of... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2800
- Properties Measured: Thermal Expansion Measurements
- Features: Cooling; Atmosphere Control; Temperature Control
from Linseis Inc.
The Linseis high-pressure dilatometer L75/HP enables completely new applications in thermal analysis. The system can measure expansions (length changes) in the temperature range from RT up to 1100/1400/1800 °C and in the pressure range up to 100/150 bar. This device is the world's only available... [See More]
- Thermal Analyzer Type: Dilatometer
- Thermal Analyzer Performance Specs: Capable of Measurements Up to 1800C and 150 bar
- Temperature Range: 20 to 1800
- Features: Programmable Heating; Atmosphere Control; Temperature Control
from NETZSCH-Gerätebau GmbH
DIL 402 E/7 Pyro - Vacuum-tight, horizontal pushrod dilatometer. The DIL 402 E dilatometer can be operated to 2400 °C or 2800 °C with the appropriate graphite furnace; optical pyrometers are applied for temperature measurement and control. In this mode, high-temperature resistant samples are... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2800
- Properties Measured: Thermal Expansion Measurements
- Features: Cooling; Atmosphere Control; Temperature Control
from Linseis Inc.
horizontal Dual- and differential- Dilatometer (DIL) series L75H was developed to meet the demands of the academic community and research laboratories worldwide. With this system, thermal expansion behavior of solids, liquids, powders and pastes for a variety of applications can be precisely... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2000
- Properties Measured: CTE, Tg, Length vs Temperature
- Thermal Analyzer Performance Specs: Capable of Measurements Under Vacuum, Oxidizing and Reducing Atmospheres
from Linseis Inc.
The main application field for the LINSEIS L76 Dilatometer series is the CTE measurement of ceramics, brick, tile, porcelain and building materials. Furthermore it is widely used for quality control purposes in ceramics and in metal industries. Thanks to the fact we started to develop and build... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: 20 to 1600
- Properties Measured: CTE, Tg, Length vs Temperature
- Thermal Analyzer Performance Specs: Quenching Option, Glaze Test With Steeger Equipment, Automatic Sample Length
from Linseis Inc.
The LINSEIS L75 PT Quattro Dilatometer is a very unique instrument, which was developed for customers which have to deal with a large amount of samples. The Quattro Dilatometer is built up with four separate dilatometer measuring sensors, which can measure simultaneously either four separate samples... [See More]
- Thermal Analyzer Type: Dilatometer
- Temperature Range: -180 to 2800
- Properties Measured: 3 Differential Measurements
- Thermal Analyzer Performance Specs: Automatic Furnace Lift Mechanism, Automatic Zero Setting