Patent ID: 8695400

Claim:
A system for monitoring the working area atmosphere of an operating engine, in particular in the working area of an internal combustion engine, by the arrangement of at least one measuring device for determining readings for a gas and/or an aerosol in the working area of the operating engine, wherein the system comprises a flow channel that is connected with the working area at a suction point for drawing in a gas or an aerosol/gas mixture from the working area of the operating engine and at a recovery point for feeding back the gas or the aerosol/gas mixture into the working area of the machine, wherein a sensor unit for determining the readings is arranged in a measuring region of the flow channel, and an electronics device is associated to the operation of the sensor unit, characterized in that in the flow channel there is arranged a convection pump, wherein the convection pump comprises at least one heating device and/or cooling device.