April 2, 2023 Thomas Hedberg

Ensuring Cable Safety

The Importance of Regular Tension Measurements


Cables are used in a wide range of applications, from elevators and cranes to suspension bridges and communication towers. In each of these applications, the cables are subject to tension forces that can cause them to stretch, sag, or even break if not properly maintained. Tension meters are used to measure the tension in a cable, allowing operators to ensure that it is within safe operating limits.

One of the primary causes of cable failure is inadequate tension. When a cable is under-tensioned, it can become loose and start to sag. This not only puts additional stress on the cable itself but also on any supporting structures. Over time, this can lead to permanent deformation of the cable and ultimately, failure. Tension meters can help prevent this by providing an accurate measurement of cable tension, allowing operators to adjust it as needed.

On the other hand, over-tensioning a cable can also be problematic. Excessive tension can cause the cable to stretch beyond its elastic limit, resulting in permanent deformation and eventual failure. Tension meters can help prevent this by allowing operators to monitor the tension and ensure that it stays within safe operating limits.

Tension meters can also play a role in preventing cable fatigue failure. Fatigue failure occurs when a cable is repeatedly subjected to cyclical loading, such as the constant vibration of a bridge or tower. Over time, this can cause small cracks to develop in the cable, which can eventually grow and lead to failure. By monitoring the tension in the cable, operators can ensure that it is properly maintained, reducing the risk of fatigue failure.

In addition to preventing cable failure, tension meters can also improve the overall efficiency and productivity of cable maintenance programs. By providing an accurate measurement of cable tension, operators can quickly identify and address any issues before they become serious problems. This can help reduce downtime and maintenance costs, ultimately improving the bottom line.

At Penn-Tech International, we offer a range of tension meters designed to meet the needs of various industries. Our shunt-type tension meters are easy to use and provide accurate and reliable measurements of cable tension. We also offer calibration and repair services to ensure that your tension meter is always operating at peak performance.

Tension meters play a vital role in ensuring the safety and longevity of cables. They are essential tools for any cable maintenance program and can help prevent costly damage and serious injury. By monitoring cable tension and ensuring that it stays within safe operating limits, operators can help prevent cable failure and improve the efficiency of their maintenance programs.

At Penn-Tech International, we are committed to providing high-quality tension meters and services to help our customers maintain safe and reliable cable systems.

, ,

Thomas Hedberg

Thomas A. Hedberg is the President of Penn-Tech International, Inc. of Frazer, Pennsylvania and can be reached at (484) 395-0145 or pti@ptii.net.