AC500 header

Isoperibol Calorimeter

Gross Calorific Content

The AC500 determines calorific value, a key indicator of quality and value in solid and liquid fuels, through measurement of the heat released after combustion of a sample. This stand-alone benchtop unit uses a fully-integrated circulation system for a compact footprint—no additional heaters or coolers required. An integral water-measuring station simplifies sample preparation, and the operating system uses an electronic thermometer accurate to 0.0001°C to measure temperature every six seconds. Two-channel correction is possible through constant temperature monitoring in both the outer jacket and the calorimeter proper.

  • High precision across a wide range of sample sizes and ambient conditions
  • Fuse wire or string-ignition combustion vessel
  • Several analysis modes available: Regnault-Pfaundler, Precision, and Predictive
  • An optional string-ignition combustion vessel provides a seamless analysis without wire connections.
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AC500 Series Details


  • Models
    1. AC500 with no Vessel

    1. AC500 with Wire Igniter Vessel

    1. AC500 with String Igniter Vessel

  • Options
    1. Wire Igniter Vessel 

    1. String Igniter Vessel

  • Product literature
  • Consumables

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