The THEMYS is the NEW benchmark for modular thermogravimetric analysis. The THEMYS is available in various platforms: Standard Thermogravimetric Analysis (TGA), high pressure TGA, Simultaneous Thermal Analysis (STA) TG/DSC, Differential Thermal Analysis / Differential Scanning Calorimetry (DTA/DSC), and Evolved Gas Analysis (EGA).
| General | STA | |
| DTA, TG-DTA | DSC, TG-DSC | |
| Temperature range | RT to 1 750 °C | RT to 1 600 °C |
| Programmable heating rate | 0.01 to 100 °C/min | |
| Crucible volumes | 30 to 300 µl | 80 to 100 µl |
| Vacuum | Primary (< 1mbar), forced primary (< 5.10-2 mbar), secondary vacuum options | |
| DTA/DSC | DTA, TG-DTA | DSC, TG-DSC |
| Calorimetric Precisionc, e | +/-2 %f | +/-1 % |
| Temperature precisionc, e | +/-0.8 °C | +/-0.4 °C |
| Temperature Accuracyc, e | +/-0.4 °C | +/-0.25 °C |
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| Balance | High Sensitivity | High Versatility | High Capacity | |
| Measuring range (mg) | Small | +/-5 | +/-200 | +/-300 |
| Large | +/-50 | +/-2 000, AUTO-TARE | +/-3 000 | |
| Maximum loading capacity | 35 g | 35 g | 100 g | |
| TGA baseline drift (temperature scanning)b, c | 30 µg up to 1 000 °C 40 µg up to 1 600 °C |
35 µg up to 1 000 °C 50µg up to 1 700 °C |
< 100 µg up to 1 700 °C | |
| TGA baseline drift precisionc | +/-3 µg | +/-10 µg | – | |
| Balance resolution (small range) | 0.00059 µg | 0.023 µg | 0.03 µg | |
a. Value at Patm, may vary according to pressure / b. Under helium flow / c. Typical data / d. Pressure dependent / e. Based on metal standard melting / f. If calibrated / RT = Room Temperature
Specifications are subject to change
Balances
Because the core of a thermogravimetric analyzer is its balance, SETARAM Instrumentation designs balances exclusively for thermal analysis applications. Three models of balance are offered with THEMYS, namely HIGH SENSITIVITY, HIGH CAPACITY and HIGH VERSATILITY.
They are all based on the hang-down design, providing the highest level of stability and the best limit of detection.
DTA, DSC, STA (TG-DTA, TG-DSC) accessories
Our range of DTA and DSC sensors feature
Furnace and temperature control
THEMYS is designed around a single, robust and high performance graphite furnace providing a large homogeneous temperature zone required by changing experiments: small or large samples, small TGA crucibles or large tricouple DTA rods, etc. This also avoids tedious furnace exchange when experiment conditions change.
This furnace principle is consistent with the traditional SETARAM effort for providing systems with the lowest operational costs in the market.
A choice of high sensitivity thermocouples to cover changing temperature range needs is provided with an easier than ever TWIST AND LOCK system.
Atmosphere
3 options, PureGas, GasBlend and MultiGasBlend, are made available with increasing capacities to generate and control complex atmospheres. They all have in common an intelligent software control system for sequentially changing the gas types, flowrates, or blend ratios during the experiment or sample pretreatment.
Primary, Forced Primary or Secondary Vacuum options are available with a selection of adapted vacuum pumps.
Specific accessories are designed for samples under really harsh conditions while protecting the thermal analyzer. Sleeved thermocouples (alumina) and protected DTA rods are available.
Depending on its configuration (TGA, STA) and mode of operation (isothermal, temperature scanning), THEMYS can be applied to the characterization of organic or inorganic materials ranging from polymers, composites, oils, coal, to ceramics, cements, metals, and nanomaterials. It is the perfect tool to understand the thermal behavior of materials that are exposed to temperature increase during their production, service life, or recycling. The objectives of the experiments are the characterization of their composition, of their thermal resistance, of their corrosion resistance properties, of the efficiency of their synthesis routes, of their regeneration / recycling conditions, and the detection of their phase transitions.
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| Application notes |
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This thermal analyzer can handle high temperatures (up to 1 750°C) and offers you the opportunity to conduct analyses simultaneously. Thus, thermogravimetry and differential scanning calorimetry can be operated in optimal conditions.
Please note three types of balances are offered to you: high sensitivity, high capacity and high versatility.
