This high-pressure hydraulic sensor is custom made for R series excavators. It monitors ongoing hydraulic system pressure, and sends out accurate data to regulate equipment running conditions smoothly. It can steadily stabilize machine operation, and greatly lower the failure risks of the whole hydraulic system. It adopts sturdy pressure-proof internal parts plus tough outer housing, so it runs dependably amid tough onsite environments. It is manufactured following official OEM criteria. This sensor boasts accurate installation matching, quick signal reaction and prolonged service life, which suits regular daily excavator maintenance perfectly.