This premium revolution speed sensor matches SH200 A3 and SH200-3 excavators perfectly. It collects real-time engine rotational speed data and sends valid signals to the main control system. It helps stabilize engine running speed and ensures smooth mechanical operation during construction tasks. Adopting solid internal structure and excellent sealing process, it keeps stable performance in complex working environments. Made strictly per OEM standards, it owns high matching accuracy, quick induction response and long service life for daily equipment maintenance.