Application device for application of an application agent, which comprises a first component and a second component, having a) a nozzle for dispensing the application agent through the nozzle , b) at least a first metering device for conveying the application agent with an adjustable first delivery flow rate (Q A ) to the nozzle , c) a second metering device which meters the second component of the coating agent with a specific adjustable second delivery flow rate (Q B ), d) a mixer , which mixes the two components to form the coating agent, wherein the mixer being connected on the inlet side to the two metering devices and on the outlet side to the nozzle , e) a first pressure sensor for measuring a first pressure reading (p A , p B , p MA , p MB ,) of the application agent upstream of the nozzle , f) a second pressure sensor for measuring a second pressure reading (p D , p M ) of the coating agent downstream of the first pressure sensor , in particular in the nozzle , and g) a control unit , wherein the control unit is connected on the input side to the two pressure sensors and receives the two pressure readings (p A , p B , p D , p M , p MA , p MB ), while the control unit is connected on the output side to the at least one metering device and sets the delivery flow rate (Q A ) of the at least one metering device as a function of the two pressure readings (p A , p B , p D , p M , p MA , p MB ), characterized in h) that the control unit determines a pressure difference (Δp) between the following pressure readings: h1) the downstream measured second pressure reading (p D ) on the one hand and h2) the upstream measured first pressure reading (p A ) on the other hand, and i) that the control unit adjusts the delivery flow rate (Q A , Q B ) of the at least one metering device as a function of the pressure difference (Δp). a) a nozzle for dispensing the application agent through the nozzle , b) at least a first metering device for conveying the application agent with an adjustable first delivery flow rate (Q A ) to the nozzle , c) a second metering device which meters the second component of the coating agent with a specific adjustable second delivery flow rate (Q B ), d) a mixer , which mixes the two components to form the coating agent, wherein the mixer being connected on the inlet side to the two metering devices and on the outlet side to the nozzle , e) a first pressure sensor for measuring a first pressure reading (p A , p B , p MA , p MB ,) of the application agent upstream of the nozzle , f) a second pressure sensor for measuring a second pressure reading (p D , p M ) of the coating agent downstream of the first pressure sensor , in particular in the nozzle , and g) a control unit , wherein the control unit is connected on the input side to the two pressure sensors and receives the two pressure readings (p A , p B , p D , p M , p MA , p MB ), while the control unit is connected on the output side to the at least one metering device and sets the delivery flow rate (Q A ) of the at least one metering device as a function of the two pressure readings (p A , p B , p D , p M , p MA , p MB ), h) that the control unit determines a pressure difference (Δp) between the following pressure readings: h1) the downstream measured second pressure reading (p D ) on the one hand and h2) the upstream measured first pressure reading (p A ) on the other hand, and h1) the downstream measured second pressure reading (p D ) on the one hand and h2) the upstream measured first pressure reading (p A ) on the other hand, and i) that the control unit adjusts the delivery flow rate (Q A , Q B ) of the at least one metering device as a function of the pressure difference (Δp). <EOS>