• Over-tensioning during conductor pulling or initial sag tensioning can stretch aluminum strands beyond their yield point, permanently weakening the conductor or causing structural overload on anchor towers.

To guarantee precision line tensioning, modern stringing operations rely on digital measurement integration:

• Wireless Load Cells & Digital Dynamometers: Installed inline between the running board and pulling rope, or integrated directly onto the hydraulic puller frame. They measure live tension forces continuously with accuracy up to $\pm 0.5\%$.

• Automatic Tension Control System (CTCS): CTCS allows the winch operator to preset a maximum allowable pulling tension based on conductor tension limits. If terrain obstacles, block friction, or line snags cause tension to spike near the preset threshold, the hydraulic system automatically reduces line speed or disengages the drive within milliseconds.

• Digital Data Logging & USB Download: Modern digital dynamometers store tension-versus-time records throughout the entire pull. This data provides verifiable proof of compliance for utility site inspectors and project auditors.

At Ningbo Changshi, all our hydraulic conductor pullers and tensioners can be equipped with integrated CTCS digital touch-screen displays, real-time wireless tension sensors, and automated data logging systems to protect your conductors during every phase of stringing.