MALVERN, UK - Malvern Instruments has refocused its popular Mastersizer Masterclass webinars to help users get the full potential from the new Mastersizer 3000. The Mastersizer Masterclass series provides all the information required to apply best practices and get the most from laser diffraction measurements. The course is open to all laser diffraction users, whether or not they are Malvern customers. Subscription is free at