The Protimeter Grainmaster, which was voted best for accuracy in a user survey, is a precision instrument that will continue to give accurate results for many years, but only if it is serviced and maintained regularly. “We service and calibrate grain moisture meters to make them as accurate as possible, but as soon as they leave our workshop, it’s important to maintain the unit so it stays accurate.” explains Martin Lishman’s Service Manager, Richard Jagger. “Cleaning the instrument regularly, replacing the blade and feeder ring if necessary and using the meter in stable, constant temperature conditions are a few things the user can do to get the best results.”