It may be defined as the instrument reaches the test start point automatically, and it is supplied with an integrated led lamp the vertical movement is performed by a high precision stepper motor and measured by a contactless displacement transducer. The device also has the possibility to recall the vertical position for repeated tests. The test should be performed placing the penetra... https://www.microteknikexports.com/product-detail/fully-automatic-universal-penetrometer-mtba-27.html