Division 3.3.7 Measurement signals and data recording

At least the following signals shall be recorded during the measurement:

1. (1)

   Input and output torques [Nm]

2. (2)

   Input and output rotational speeds [rpm]

3. (3)

   Ambient temperature [°C]

4. (4)

   Oil temperature [°C]

If the transmission is equipped with a shift and/or clutch system that is controlled by hydraulic pressure or with a mechanically driven smart lubrication system, additionally to be recorded:

1. (5)

   Oil pressure [kPa]

If the transmission is equipped with transmission electric auxiliary, additionally to be recorded:

1. (6)

   Voltage of transmission electric auxiliary [V]

2. (7)

   Current of transmission electric auxiliary [A]

For differential measurements for compensation of influences by test rig setup, additionally to be recorded:

1. (8)

   Test rig bearing temperature [°C]

The sampling and recording rate shall be 100 Hz or higher.

A low pass filter shall be applied to avoid measurement errors.