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STAvesta

STAvesta

Measurement of mass changes and endothermic/exothermic reactions

Product information

What is a Thermogravimetric-Differential Scanning Calorimeter (TG-DSC)?

The STAvesta is a next-generation simultaneous Thermogravimetric-Differential Scanning Calorimeter (TG-DSC) system that measures both mass changes and endothermic/exothermic reactions in materials. Designed for precision, stability, and versatility, it integrates essential thermal analysis features into a compact instrument suitable for both new users and experienced analysts.

Measurement options

STAvesta supports multiple interchangeable electric furnaces, allowing users to switch measurement targets or analysis methods efficiently:

  • Standard furnace (S)

  • High-temperature furnace (H)

  • Sample observation furnace with real-time camera monitoring

  • Indirect heated furnace (B)

  • Humid atmosphere furnace (HUM)

  • Refrigerated cooling furnace (down to −40 °C)

Furnaces are quickly interchangeable without removing other attachments, enabling flexibility across a wide range of analyses.

Automatic Sample Changer (ASC)

The optional ASC enables high-throughput, automated measurements:

  • Handles up to 52 measurement samples, including 4 calibration samples and 3 reference samples.

  • Supports up to 1,000 consecutive runs for extended or unmanned operation.

  • Compatible with all furnace types and top-mounted to save bench space.

  • Reduces atmospheric exposure during measurements, ensuring sample integrity.

Features

  • High precision and reproducibility: equipped with a horizontal differential triple-coil balance, STAvesta delivers accurate weight-change measurements while effectively correcting for baseline drift.
  • Self-diagnostic system (vestaeye): performs full diagnostics at startup and quick checks during standby or measurements to ensure safe, reliable operation.
  • FlatBlank function: automatically adjusts the blank signal, providing more stable thermal measurements even under low-gas conditions.
  • Advanced temperature control: rapid Control and Advanced Control enable precise temperature regulation during isothermal holds or slow heating rates.
  • Even temperature distribution: an integrated isothermal unit ensures uniform temperature around the sample, minimizing radiation and convection effects for reliable DSC baselines.

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