LR-P40 is suitable for on-site testing projects related to tensile strength, such as concrete strength testing (C10~C80) for new and existing buildings, and bonding strength testing of exterior wall decorative tiles. The instrument configuration can be used for the post-installation pull-out method and post-anchoring method to detect concrete strength. The principle of testing concrete compressive strength is to calculate the concrete strength by measuring the pull-out force of the anchor placed in the concrete. This instrument features a digital pressure display and automatic peak value retention function. During the testing process, data can be stored using the machine, making the operation simple.