The new generation C1 static chamber combustion calorimeter combines a high degree of automation with a compact design. It operates, among others, according to DIN 51900 and ISO 1928. The temperature calculation is based on the classical isoperibolic method of Regnault-Pfaundler. The usual relatively heavy heat bomb, which the user had to screw in and out, has been replaced by a light and easy-to-integrate combustion chamber. Interfaces for PCs, scales and printers make it possible to adapt the unit to the customer’s needs and requirements. Additional extensions and adaptations, for example for data management and LIMS, are available on the C 6040 Calwin software (accessory).