WEIGHING UNIT Stainless steel cell, IP67 OIML C4 Atex and Z22 Stainless steel or galvanized plates and accessories Overload protection Elastomer for shock and vibration absorption Complete with mechanical accessories to compensate for settlement and/or thermal expansion, they do not require any tie rods or other movement limitation systems. The GPA-NT model weighing units, complete with junction boxes, are calibrated with sample weights at our factory. They can be equipped with load cells with precision class up to 4000 OIML divisions.