Connections for Fluid Power and General Use - Hydraulic Couplings - Diagnostic Port Sizes and Locations (Stabilized: Apr 2017)
液压动力和通用连接件.液压联轴器.诊断端口尺寸和位置(稳定:2017年4月)
SAE J1298 covers the recommended diagnostic port sizes for use in measuring hydraulic fluid temperature, pressure, flow, and for obtaining fluid samples. See SAE J1502 for the detailed coupling specifications.