APPARATUS

Generally, two kinds of calorimeters are available, isoperibol type and adiabatic type, the calorimetric system of which is enclosed into a water-filled double-layer jacket (outer can) and differs in the different temperature control mode of outer can and has no obvious difference in the rest respects.

In aneroid systems (systems without a fluid), the calorimeter can, stirrer and water are replaced by a metal block. The oxygen bomb consists of double-layer metal with temperature sensor embedded and itself constitutes the calorimetric system.