Posted in | Calorimeters

AC500 Isoperibol Calorimeter from LECO Corporation

This manual, bench-top, stand-alone unit uses a fully integrated circulation system that gives a compact footprint while being simple to operate with Windows®-based software. The AC500 has an integral water-measuring and combustion vessel-filling station that simplifies sample preparation, without additional heaters or coolers. An electronic thermometer accurate to 0.0001°C measures the temperature of the water every six seconds. The AC500 also has the unique ability to constantly monitor temperature in both the outer jacket and the calorimeter proper, making two-channel correction possible.


  • High precision across a wide range of sample sizes and ambient conditions
  • Fuse wire or string-ignition combustion vessel
  • Windows-based software—supports compliance to FDA regulations (21 CFR Part 11)
  • Analysis Modes available: Regnault-Pfaundler, Precision, & Predictive


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