the highlights

The TAC-500AS is a versatile calorimeter with:

  • FAST TRACK RATE for a good measurement accuracy even at lower phi factors
  • LOW ONSET TEMPERATURE detection threshold
  • PRACTICAL BENCH TOP INSTRUMENT with a compact design for lab space saving and easier maintenance
  • CONVENIENT TO USE with good usage to maintenance time ratio
  • ACCESSIBLY PRICED instrument and replacement parts
Temperature range (°C) Room temperature to 500
Temperature increase detection
Threshold (°C/min)
0.005 to 0.02
Temperature Precision
(repeatability, °C)
+/- 0.05
Modes Heat-Wait-Search, Isothermal,
Temperature scanning
Pressure Range (bar) 0 to 200
Pressure Resolution (bar) 0.001
Pressure Accuracy (bar) +/- 2

With its large temperature range, TAC-500AS is capable of testing a wide range of materials from low to high decomposition temperatures and of testing energetic decompositions leading to large temperature increase.

Its pressure range up to 200 bar is ideal for reactions releasing large gas quantities and for testing large samples when lower phi factor measurements are necessary.

TAC-500AS is a versatile calorimeter operating under various modes

  • Heat-Wait-Search (HWS) mode is used for the most sensitive determination of onset temperature of decomposition
  • Isothermal mode can be used to characterize reaction kinetics although the HWS mode prodvieds adabatic temperature variation data than can also be treated for reaction kinetics studies
  • Temperature scanning mode provides faster determination of onset temperature of decomposition than HWS but with less sensitivity

Adiabatic conditions are a worst case scenario that assumes no heat loss from the process, but are quite realistic for large plant vessels that lose heat slowly. That is where an Accelerating Rate Calorimeter like TAC-500AS is useful because:

  • it operates under adiabatic conditions to test samples at minor to no heat loss conditions,
  • and it measures the largest temperature rise achieved to establish the worst case scenario if decomposition occurs.

Depending on process specifics, a low phi adiabatic study can also be done to more closely mimic large plant conditions and determine vent sizing.



This an extract of our documentation, please register to have access to all documentation.

Adiabatic Calorimetry : TAC-500AS par SETARAM