What is the required accuracy percentage for the gauging system of a stressing jack in indicating the force?

The required accuracy percentage of 2% for the gauging system of a stressing jack is significant because it ensures that the force exerted by the jack can be reliably measured and controlled. This level of accuracy is crucial in ensuring safety and effectiveness during operations where precise force application is necessary, such as in construction and other engineering applications involving stress on materials.

Having a 2% accuracy means that the measurements taken by the gauging system can deviate only slightly from the true value, providing a balance between operational feasibility and reliability. If the accuracy were higher than 2%, it might lead to unnecessary complexity and cost in the gauging system without substantial benefits, while a lower accuracy could compromise safety and structural integrity. Thus, the 2% requirement reflects a practical and industry-accepted standard for maintaining the necessary precision in force measurement.