Digital Sonic Tension Meter Tester with U-508 Frequency Range 10Hz to 5000Hz
You can easily read the data by simply plucking the belt, just like plucking the strings of a guitar. Tension range: 0.01-99900 n; Frequency range: 10-5000Hz. Tension range: 0.01-99900N. Frequency range: 10Hz-5000Hz.