www.thedriller.com/articles/89368-pile-dynamics-pile-installation-recorder

Pile Dynamics’ Pile Installation Recorder
January 22, 2014
Multiple sensors send data wirelessly to a main unit mounted in the cab, which displays grout volume versus depth, torque and other installation parameters. The handheld PIR Viewer shows the same information to an inspector. The PIR may be installed on any drill rig with fixed mast or swinging leads, including those that operate in low headroom. Visit www.pile.com.