Hua Heng HY-3DW Axial Displacement Monitoring Protection Device Industrial Safety Monitor The Hua Heng HY-3DW Axial Displacement Monitoring Protection Device is a professional industrial safety solution designed to support reliable equipment operation and enhance machinery protection. This device helps maintain better awareness of equipment performance and improve safety management of critical industrial systems. Technical Specifications Measurement Range -0.5 to +0.5mm; -1