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    The RDS SHAFT SPEED range of instruments is an easy to use and cost-effective method of monitoring up to six different shafts at the same time. It also offers internal audible alarms to alert the operator to drops in performance or malfunctions of the machine.


    • Monitors up to 6 separate shaft speeds:
    • Programmable low and high shaft speed alarm
    • Shows area worked partial and total
    • Includes hour meter
    • Automatic cut out switch


    • Using a magnetic sensor on each shaft, the instrument is calibrated to display the shaft RPM on the selected channel.
    • Each shaft speed channel has programmable speed alarms which trigger an internal audible and visual alarm.
    • The Shaftspeed 6 offers a low-speed alarm threshold whilst the 600 and 660 offer programmable high or low-speed alarms and a secondary alarm output that can be used to physically inhibit operation or warn of alarm condition.
    • The 600 and 660 offer the further functions of forward speed and partial/total area measurement. Both units have an automatic cut-out switch to prevent area accumulation when turning on headlands etc.
    • The 660 includes an hour meter
    • Stop Alarm feature automatically activates an alarm output in the event of a malfunction or operating parameter being exceeded

    Ideal for

    Monitoring shaft speed on different implements