T40 torque transducer in APL test bench

Advantages of compact torque transducer design

Torsional stiffness and mass moment of inertia influence the natural frequency of the overall system, comprising drive train and transducer, thereby affecting the measurable speed.

The compact design of the T40 torque transducer means that the drive train can be designed to be short and with high rigidity, which offers metrological advantages.

In addition, small and compact test benches save money as they require less floor space and smaller foundations.

Accuracy and loading capacity

The T40 has an accuracy class of 0.05 for temperature, repeatability and linearity, including hysteresis. In addition, the torque transducer also withstands the limit loads for longitudinal, transverse and bending moments.

High sampling rate and wide bandwidth

The T40 has an output signal bandwidth of up to 6 kHz and an internal sampling rate of 38 kHz. This high sampling rate in comparison to the bandwidth, also called oversampling, helps to eliminate the effects of aliasing.

As the torque transducer is available with bandwidths of 1 kHz, 3 kHz and 6 kHz, high investment security is also achieved. It can be integrated into existing systems, due to the compatibility with 1 kHz-conditioning electronics, as well as in demanding dynamic applications.

Last but not least, the good price/performance ratio makes the T40 highly suitable for use in dynamic
applications such as the test benches at APL.

Multitalented – even in automated applications

Automation and robotics often require signal conditioning in real time and a direct data exchange with superordinate controllers via fieldbus.

The T40 is the first transducer with a Torque Measurement Communication interface (TMC), which can be upgraded with digital interfaces using the TIM40 torque interface module which enables communication with the automation system via CAN, EtherCAT or Profibus.

From Passion to Drive – APL Automotive Test Engineering

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