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Stage Safety

In live events, many tons of equipment are suspended above hundreds and even thousands of people.

This situation is extremely dangerous due to the fact that tons of audio, video and lighting

equipment are hung above spectators and performers - especially considering the trend these days, towards greater movement of heavier systems and structures for the added excitement and entertainment of the audience.

Each time there are more than two supports on a truss or more than three supports on a structure, a Statically Indeterminate loading condition occurs, which results in loads being distributed on a structure in a manner that is extremely difficult to predict.

Day to day reality is complicated due to this statically indeterminate loading phenomenon: It misleads us into believing a horizontal truss distributes loads equally, while often one or

more supports are overloaded. This situation is dangerous and should be avoided at all costs.

The solution is continuous load monitoring from installation, through the entire show and until tear down is over.

The ultimate load monitoring solution is Ron StageMaster: Wireless and wired load monitoring system, the choice of the most professional riggers worldwide: Ron StageMaster is the ideal solution for stage rigging and continuous load monitoring.

  •  Fatigue rated: All Eilon Engineering load cells are Fatigue Rated as required by ASME  
  •  BTH-1

  • Safety: Continuous Load Monitoring 24/7/365

  • Battery life: Extremely long battery life up to 8,000 hours - The extended battery life eliminates the need for sleep or standby modes or even worse: turning off the system which is extremely unsafe        

  • Quick overload prevention: A real time load map allows riggers to easily notice a  developing overload and take immediate preventative action  

  • Accuracy:  0.1% of full scale

  • Bluetooth capability: Bluetooth compatibility with iPhones / iPads

  • Versatility: The only system that combines wireless and wired load cells in one system   

  • Number of load cells: 200 Load Cells per monitoring station

  • Data logging: Downloadable reports of months of continuous measurements.

  • Safety Factor: 5:1, 10:1 and higher.

  • Capacities: 0.5t up to 300t

  • E-stop: Set point option for E-stop (connects to any controller)

  • Transmission range: Extreme Range up to several km/miles. (optional)

  • SMS alert: on overload / underload occurrence

  • References: Chosen by NASA, Cirque du Soleil, Boeing, Tait, PRG, Walt Disney and many others.

  • Experts in load monitoring: 40 years of proven Wireless Technology


Recommended Models

Ron StageMaster - Multi Point Load Monitoring

Ron 4000 - Load Cell with Built-in Amplifier



A truss hangs just above a stage prior to being lifted into position.







USA & Canada toll free phones:



0800 8620354