Telemetry unit transmits data wirelessly

J1 single-channel telemetry system with intelligent power transmission from Caesar DataSystems is for wireless transmission of sensor data from rotating objects.

The J1 single-channel telemetry system with intelligent power transmission (IPT) from Caesar DataSystems is for wireless transmission of sensor data from rotating objects such as driveshafts, wheels, motors, gearboxes and propellers.

Applications are in research, testing and vehicle development.

Power transmission range is 70mm.

IPT supervises and regulates the power transmission to the rotor electronics on the shaft.

Ageing and temperature dependent fluctuations of the operating point of the stator unit are determined by the control unit and automatically readjusted or balanced.

It permits the mounting of the stator and the receiving antenna directly next to large metallic surfaces without undue loss of range or performance.

The flexible ring of the stator type JX-SR-70 can be individually adapted to accommodate deflections of a shaft or axle up to 700mm and supply uninterrupted power to the rotor electronics.

This makes it suitable for torque measurements from car, truck and high performance vehicle driveshafts.

Small and lightweight rotor electronics installed directly on the shaft under test provide power to the sensor, acquire the measurement data and transmit it wirelessly to the stator antenna.

The integral signal amplifier can be configured for measuring strain, force, load, acceleration or temperature.

The stator can transmit power to the rotor electronics allowing continuous operation without batteries.

Remote shunt calibration for strain based applications is also supported.

The receiving control unit provides signals for recording, monitoring or analysis.

The system can be fitted without modification to large and small diameter shafts.

Accessories are available for rotors, stators and control units, including an optical rev/min sensor for power measurements.

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