What is the fine-grained topic of the following text: The new SAE J1939 CAN range of hydraulic sensors from Webtec are designed for OEM Mobile and Industrial applications where the user needs real-time continuous monitoring of hydraulic flow, pressure and temperature on high-pressure hydraulic systems for closed loop control, to predict imminent hydraulic failure or for diagnostic fault-finding. Only return the topic.
SAE J1939 CAN range of hydraulic sensors from Webtec