Calibration and Adjustment in Thermal Analysis – Principles and Key Procedures for Ensuring Reliable Results

Regular calibration and adjustment are essential to help ensure the accuracy and integrity of your results. Temperature needs to be calibrated for all instruments, but additional parameters should also be calibrated, according to the instrument type. For example, heat flow for differential scanning calorimeters (DSC), weight for thermogravimetric analyzers (TGA), displacement in thermomechanical analyzers (TMA), and modulus for dynamic mechanical analyzers (DMA).

When Is Calibration Required?

  • For new instruments
  • For instruments in operation (at predefined, regular intervals)
  • When an instrument has suffered an impact or vibrations which may affect the adjustment
  • Whenever observations appear questionable

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