The Measure it S2 tonearm scale is a highly precise electronic scale designed to measure a wide range of tracking forces up to 5.0 grams in 0.001 gram increments. The Measure it S2 features a solid aluminum housing with a 4-digit LCD display with backlighting. Each Measure it S2 can be easily calibrated using the included calibration weight. If you're unsure whether the tracking force on the diamond tip is correct, the 4-digit display of this smart tool provides reliable assistance. With accurate information about the current tracking force, you can prevent premature wear of the stylus.