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The Hitachi TMA7000 Series Thermomechanical Analyzer has doubled its sensitivity compared with our conventional model. It measures a wide range of samples, including thin film and small samples, as it uses the total expansion method and does not limit sample shapes. Changing the modes between push, penetration, and tension is done by simply replacing the probe. A wide range of options, such as an automatic cooling unit, ensures the ease of use and highly accurate measurement.
TMA7000 is equipped with newly developed “Z-stabilizer” signal optimization technology, which cuts noise levels to achieve highly sensitive measurements.
Additional options allow measurement under high temperature and high humidity conditions. Furthermore, it is extensible to swelling and vacuum measurements.
The eco-friendly cooling unit cuts liquefied nitrogen consumption by approximately 40% (compared to previous models). Electrical cooling units that do not use liquefied nitrogen can also be connected.
A mass flow meter can be incorporated into the gas control so the atmosphere can be efficiently controlled by not only the purge gas ON/OFF switch but also programmed flow rate control.
The new built-in temperature control function is designed to reduce the gap between the program temperature and the measurement sample temperature and improve temperature compliance.
|Sample Cylinder||Quartz, metal||Alumina|
|Temperature Range||-170 to 600°C||Ambient to 1,500°C|
|TMA Measurement Range||±5 mm|
|TMA Sensitivity||0.01 µm|
|Load Range||±5.8 N|
|Scan Rate||0.01 to 100°C/min|
|Maximum Sample Size||Expansion; Φ10×L25 mm
Tension; W1×T5×L25 mm
|Expansion; Φ10×L25 mm|
|Sample Length Measurement||Automated Measurement|
CTE (coefficient of thermal expansion) changes at the glass transition temperature. CTE after Tg is approximately 4 times larger.
Comparison of softening temperatures between different polymer films, Polyethylene, Polypropylene and Nylon evaluated by penetration measurement.
In above measurements of PE film, tension force is applied in machine direction (MD) and the transverse direction (TD).
The measurements are carried out on PE film with strain control mode at different temperature.
The TMA 7000 series has stress strain measurement and analysis capability. Stress-Strain characteristic, Creep/Recovery, Stress Relaxation can be measured, and furthermore, applying sinusoidal force to samples the dynamic viscoelastic behavior can be characterized.
Presentations and abstracts related to Thermal Analysis presented at international conferences.
Thermal analysis software that features a guidance function and a new measurement mode that is very easy to use, even for beginners.
Standards of thermal analysis and viscoelastic equipment.
References and presentation documents regarding thermal analysis and viscoelasticity.
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