An arrangement for monitoring an air-mass measuring device (1) includes
an electrically driven compressor (10) in an air supply of an internal combustion
engine (5). The arrangement makes possible a precise modeling of the air
mass flow. An air mass flow in the air supply is modeled in dependence upon a compressor
rpm and a compressor pressure ratio and is compared to an air mass flow measured
by the air-mass measuring device (1). The invention is also directed to
a method for monitoring the air-mass measuring device (1).
