The Measure it E stylus tracking force gauge is a highly accurate electronic balance that is designed for measuring stylus tracking forces up to 5.0g in 0.002g increments. Each Measure it E can easily be calibrated using the supplied calibration weight and by simply pushing a button. Whenever youre in doubt about the actual amount of pressure being exerted on your precious cartridges diamond tip the four digit display of this smart tool will help. Armed with precise information about tracking force your stylus tip wear can be significantly reduced and you can guarantee the very best sound from your hi-fi system.