Abstract: An apparatus for controlling the conditions of at least one band circulating in a paper making machine along a circulation direction is provided with at least one first detecting device configured to detect at least one first parameter indicative of the humidity of the band and positionable in a first position between a pressing station and a conditioning station of the paper making machine; at least one second detecting device configured to detect at least one second parameter indicative of the humidity of the band and positionable in a second position downstream of the conditioning station; and at least one processing unit configured to determine at least one datum indicative of the condition of the band on the basis of the first parameter indicative of the humidity and of the second parameter indicative of the humidity.

Abstract: An apparatus for controlling the conditions of at least one band circulating in a paper making machine along a circulation direction is provided with at least one first detecting device configured to detect at least one first parameter indicative of the humidity of the band and positionable in a first position between a pressing station and a conditioning station of the paper making machine; at least one second detecting device configured to detect at least one second parameter indicative of the humidity of the band and positionable in a second position downstream of the conditioning station; and at least one processing unit configured to determine at least one datum indicative of the condition of the band on the basis of the first parameter indicative of the humidity and of the second parameter indicative of the humidity.

Abstract: The invention relates to a hand-held apparatus for controlling the condition of a circulating band in a papermaking machine; the apparatus comprises a hand-held body which carries: a moisture measuring device, equipped with at least one microwave sensor; a permeability measuring device, comprising at least one water delivery nozzle and a flowmeter associated with the nozzle; and a control unit connected to the measuring devices for processing signals coming therefrom; the body is equipped with at least one handle portion to be grasped by an operator for manually moving and maneuvering the apparatus.

Abstract: The invention relates to a hand-held apparatus for controlling the condition of a circulating band in a papermaking machine; the apparatus comprises a hand-held body which carries: a moisture measuring device, equipped with at least one microwave sensor; a permeability measuring device, comprising at least one water delivery nozzle and a flowmeter associated with the nozzle; and a control unit connected to the measuring devices for processing signals coming therefrom; the body is equipped with at least one handle portion to be grasped by an operator for manually moving and manoeuvring the apparatus.