TA Instruments Discovery SDT 650 Simultaneous Thermal Analyzer

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The TA Instruments Discovery SDT 650 is a high-performance thermal analysis system that combines differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) in a single instrument. By simultaneously measuring heat flow and sample weight changes throughout a thermal program, it provides comprehensive insight into material properties, thermal stability, decomposition behavior, oxidation processes, and compositional changes.

Designed for both research laboratories and industrial quality control, the SDT 650 delivers excellent sensitivity, baseline stability, precise temperature regulation, and flexible atmosphere control. In addition, the system incorporates several of TA Instruments' advanced thermal analysis technologies, including Modulated DSC®, Modulated TGA™, and Hi-Res™ TGA, enabling more detailed investigation of complex thermal events.

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Key FeaturesTechnical SpecificationsApplications

Horizontal Dual-Beam Design: Delivers highly accurate heat flow and weight measurements with excellent sensitivity, stability, and reproducibility.
Simultaneous DSC and TGA Analysis: Measures heat flow and mass change in a single experiment for comprehensive thermal characterization.
Dual-Sample TGA Mode: Enables independent analysis of two samples simultaneously, significantly improving laboratory productivity.
Advanced Thermal Analysis Technologies: Supports Modulated DSC® (MDSC®) for accurate heat capacity measurement, Hi-Res™ TGA for improved separation of overlapping weight-loss events, and Modulated TGA™ (MTGA™) for efficient kinetic studies.
Automated High-Throughput Operation: An optional linear autosampler (30-position linear autosampler) enables unattended operation for multiple samples, routine calibrations, and verification procedures, increasing laboratory productivity.
User-Friendly Operation: Features an app-style touchscreen interface and TRIOS software for intuitive instrument control and streamlined data analysis.

Parameter	Specification
Measurement Techniques	Simultaneous DSC and TGA
Temperature Range	Ambient to 1500 °C
Dynamic Temperature Precision	±0.5 °C
Heating Rate	0.1–100 °C/min
Sample Capacity	Up to 200 mg
Calorimetric Accuracy	±2% (based on metal standards)
Heat Capacity Accuracy	±5%
Weighing Accuracy	±0.5%
Weighing Precision	±0.1%
Weight Baseline Drift	<50 μg (up to 1500 °C, without baseline subtraction)
Atmosphere	Inert and oxidizing atmospheres
Vacuum Capability	50 μTorr

The TA Instruments Discovery SDT 650 is suitable for a broad range of thermal characterization and material evaluation tasks across research, development, and industrial laboratories. It is widely used to investigate thermal stability, decomposition behavior, oxidation resistance, moisture and volatile content, compositional analysis, phase transitions, reaction kinetics, and material compatibility. The instrument supports the development and quality assessment of polymers, pharmaceuticals, chemicals, batteries, catalysts, electronic materials, metals, ceramics, minerals, composites, and other advanced materials, making it a valuable tool for both product innovation and routine quality assurance.

The addition of the TA Instruments Discovery SDT 650 Simultaneous Thermal Analyzer further strengthens laboratory's thermal analysis capabilities by providing high-precision, simultaneous measurement of heat flow and mass change within a single experiment. Its advanced analytical technologies, wide temperature range, reliable atmosphere control, and automated operation enable efficient evaluation of complex material systems while maintaining excellent data quality and reproducibility. These capabilities support materials research, product development, process optimization, failure analysis, and quality control across a wide range of industries.

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