Developed principally for compressive power exams on rock, concrete and also other huge compression samples, this design steps axial strain on opposite sides in the test specimen, along with the output is a mean of the two readings. Gauge Lengths: 25 – two hundred mm Declarations specified through ISO-authorized certificate https://www.nathanisoconsulting.com/blog/how-to-get-iso-17025-accreditation-in-saudi-arabia/