Rotary torque sensor 9299A3

dynamicHigh precisedigital

Overview
The RoaDyn P1xT wheel torque transducer provides precise torque measurement for road load data acquisition on commercial vehicles. The transducer replaces the central part of the rim for optimal integration into the suspension.

Main features / advantages

• Two independent, switchable measuring ranges: 10% and 100%
• Quick and easy mounting on different vehicles with appropriate adaptions
• Setup time under 15 minutes
• Low additional unsprung mass and low moment of inertia
• Automatic identification and data transmission via farfield wireless telemetry
• Four additional temperature channels for simple connection of Type K sensors

Description
The measuring system comprises three main components: the wheel torque transducer, the data transmission module and the on-board electronics (control unit). A wireless digital telemetry system is available to transmit data from the rotating wheel to the on-board electronics. By replacing the middle part of the rim, the RoaDyn P1xT series is integrated at the most effective position for acquiring wheel forces and torques. Mounting the transducer on the vehicle is comparable to changing a standard wheel. Traction torque My is measured with piezoelectric quartz sensors. Two switchable measuring ranges allow precise measurement of both small and large torques. Signals are amplified and processed in electronics integrated into the wheel. A digital transmission option with CAN bus telemetry is available for transfer to the customer’s data acquisition system. Transmission modules are quickly and easily exchangeable. The digital telemetry family Type 9811B can transmit My plus three additional temperature signals and the wheel electronics temperature.

Technical specifications

• System components: wheel torque transducer, data transmission module, on-board electronics (control unit)
• Measuring principle: traction torque My measured with piezoelectric quartz sensors
• Measuring ranges: two independent/switchable ranges (10% and 100%)
• Telemetry: wireless digital telemetry available; digital system with CAN bus (telemetry)
• Telemetry family: Type 9811B (transmits My and three temperature signals plus wheel electronics temperature)
• Temperature channels: four additional channels for Type K sensors
• Mounting: replaces middle part of rim; mounting comparable with changing a standard wheel; quick mounting on different vehicles with adaptions
• Setup time: less than 15 minutes
• Mechanical: low additional unsprung mass and low moment of inertia
• Electronics: signals amplified and processed in electronics integrated into the wheel
• Transmission modules: quickly and easily exchangeable