Multisensor system design and development at CEA Le Ripault
Development of a multi-gas sensor

Experiments relating to vapor detection tests are carried out using specific equipment developed in the laboratory in October 2003. This device (figure 5 ) enables simultaneous signal acquisition from eight different microbalances. It comprises several components:

• a thermostatically controlled detection cell containing eight microbalances, the eight oscillating circuits and a PT100 temperature sensor;

• four frequency meters ;

• a power supply and temperature control unit;

• a data acquisition device (interfaced PC).