In the case of running axles (2), the speed
is detected by means of an external sensor
(3).
The sensor (3) detects the bolts (4) on a
disc (4) which is attached to the hub.
The control terminal calculates the dis-
tance and the speed of travel.
The flowmeter (1) measures the quantity of
spraying fluid flowing to the nozzles. In the
operation terminal, the sprayed litres per
minute (l/min) are displayed.