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Overload Prevention

The potential for an overload is always present whenever a load is lifted by a crane.

Accurate weight measurement of the load is critical to preventing dangerous overloads.

Constant load monitoring provides an additional level of protection to existing safety protocols and can protect you from overloads that may occur even when the load is known.

Overload detection and our set point system can trigger an alarm, stop the hoist or any other desired action, the moment pre-set overload value is reached.

Overload prevention is always necessary when lifting heavy objects, especially as in heavy industries and the aerospace industries where very expensive components are being lifted and moved.

Most important of all in these precautions, is the safety of human lives in all industries, especially in stage shows and circuses, where tons of audio and sound equipment are hung above huge audiences, actors and stage hands.

There is always a danger that an overload could cause some or all of this equipment falling onto the people below causing serious injury and even death.

There are a few scenarios where catastrophic overloads can occur, even when lifting a known load:


  • Attempting to lift equipment  that has beens anchored to the ground or deck.
  • Poor communication between crew members responsible for lifting.
  • Off-center loading.
  • Addition of equipment, after the total lifted load has been calculated and approved.
  • Uneven load distribution in a multiple lifting point scenario.Even if the total load does not     exceed the combined safe working load of all the lifting points, some of the lifting points may carry a lesser load while others are overloaded.

An overloaded crane can lead to very dangerous and expensive accidents.

Ron Crane Scales can detect overloads and thus help in preventing them from happening.

Recommended Models

Ron 2000-S

Wired Dynamometer

Ron 2125-S

Wired Dynamometer with Attachable Display

Ron 2150-S

Wired Dynamometer with Attachable Display

Ron 2501-S

Wireless Dynamometer

Ron 2000-H

Wired Crane Scale

Ron 2125-H

Wired Crane Scale with Attachable Display

Ron 2150-H

Wired Crane Scale with Attachable Display

Ron 2501-H

Wireless Crane Scale

Ron 3050

Integrated Display Crane Scale with Protective Cage

Ron 3025

Integrated Display Crane Scale with Protective Cage

Ron CraneMaster

Multi point load monitoring



A large stone block is rigged with steel cable and a load cell.

A large steel assembly is lifted into place at a refinery





USA & Canada toll free phones:



0800 8620354


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