Reach for the Gates 350C Sonic Tension Meter to quickly and precisely determine the tension of your belt installations. Compatible with V-belts, V-ribbed belts and synchronous belts, the device analyzes sound waves from the belt through the sensor and delivers an accurate tension measurement. Correct tensioning is essential for the optimum performance and reliability of your belt drives. The correct belt pretension data can be determined by using Gates Design Power™ drive design software.