RWC Testing & Lab Supplies — an El Paso, Texas-based supplier of laboratory and measuring instruments for the textile, scientific, industrial, military, commercial and other sectors — now offers Zivy Hand-held Tension Meters for accurately measuring the running line tension of yarns and fibers.
The meter features a compact and lightweight design with two precise ball-bearing mounted V-grooved rollers capable of measuring at high speeds. The meters are available in 12 models with varying tension ranges, and are supplied in a foam-fitted, hard plastic carrying case along with instructions and a wrench for removing the roller if necessary.
Source:
http://www.textileworld.com/Articles/2013/April/RWC_Testing_Offers_Zivy_Tension_Meters.html
