UJL Pty Ltd has recently delivered several Permi online analysers. The Permi analyser is supplied by ACA Systems Oy from Finland. The advanced measurement and signal technology makes it possible to have reliable and accurate paper porosity readings continously. No grade dependant calibrations are required. The latest benefits using the Permi analysers are refiner energy optimising to save energy and improve qualities of papers as well as minimising or totally eliminating proporosity related paper losses. UJL Pty Ltd will supply locally start up and maintenance support.