Presto Stantest Private Limited manufactures Portable Yarn Tension Tester. Presto Stantest Private Limited is an ISO 9001:2000 certified company that manufactures products for industrial measuring applications. The Portable Yarn Tension Tester is used to fix tension on running yarns. This tester has grooved rollers for appropriate and strong mechanical operations. It is rendered in a sturdy wooden box for safe handling and storage. This Portable Yarn Tension Tester is traceable to NPL and is available with Calibration Certificate, Inspection and Conformance Certificate. This tester comes in different ranges like 2 - 25 gm, 5 - 50 gm and 10 - 100 gm.