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Sensor puts power takeoff shafts to the test

A Datum Electronics product story
Edited by the Engineeringtalk editorial team May 23, 2005

A new shaft torque and power monitoring system will monitor and log the torque, shaft speed and transmitted power accurately when testing new systems driven from all standard PTO shafts.

Datum Electronics' new Series 420 PTO shaft torque and power monitoring system will monitor and log the torque, shaft speed and transmitted power accurately when testing new systems driven from all standard PTO shafts.

The system will provide a reading of torque speed and power to an accuracy of greater than 0.1% of full scale with the signals displayed on either the handheld indicator unit or via RS232 output to a PC.

It will accurately measure torque, speed and power.

It can measure force from 100 to 10,000Nm as standard, but can be adapted to meet the most demanding requirements.

It has an accuracy of 0.1% as standard, and can be engineered to fit all known standard tractor power-takeoff shafts.

The RS232 digital signal from the system is compatible with Datum's full range of torque indicators (Type 300 torque indicator, Type 310 portable torque and speed indicator, Type 370 torque, speed and power indicator) and a range of data-logging software including TorqueLog.

The new 420 Series torque transducers are available to fit all standard spline configurations for tractor PTO shaft monitoring.

The transducer has a female and a male spline and fits directly in line with the drive train.

Ratings are available from 100 up to 10,000Nm with running speeds of up to 5000rev/min.

The torque and speed signals are transmitted from the shaft to a static cover assembly.

For short term trials of up to 1 day a telemetry link can be offered providing data either in the cab or within a 100m radius.

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