ASTM D3474 - Standard Practice for Calibration and Use of Torque Meters Used in Packaging Applications
NJY-20 Digital Torque Tester
NJY-20 Digital Torque Tester for Bottle Caps is a manual type with load capacity from 20Nm to 50Nm. It can be used for bottle body with Φ5 mm ~ Φ170 mm (Diameter).