The TorqueTrak 9000 Digital Radio Telemetry System converts virtually any shaft into a rotating torque sensor. The miniature battery-powered transmitter rides on the shaft and broadcasts digital data from a torque sensitive strain gage. The system provides real-time torque information during actual machine operation. The accurate and stable microprocessor-based system features seven user-selectable gain settings, eight user-selectable broadcast frequencies, auto-zero and low battery indicator for $2,395.