Self-contained recorders operate by direct action: the measuring element directly controls the recording device. These are simple, reliable and easy to operate recorders. These recorders are used for: storage and production areas, offices, computer rooms, laboratories, museums, greenhouses, supervision of heating systems. The recorders are also ideal for the supervision of the cold chain in food storage areas and cold rooms and are used for the quality control according to government regulations (HACCP). Further measurement ranges are available on request!