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Torque speed sensor ST-7300

The sensor torque measurement adopts the strain electrical measurement principle. Resistor strain gauges are attached to the transmission shaft. When the transmission shaft is subjected to torsion, it will undergo a slight deformation. The resistance value of the strain gauge attached to the transmission shaft will change accordingly. Resistive strain gauges with the same strain characteristics are combined to form a measurement bridge. The change in strain resistance is converted into a change in electrical signal through the measurement bridge, thereby achieving torque measurement. Finally, the torque signal is exported using a rotational signal coupler to achieve non-contact measurement of the torque signal in the rotating state.

Technical Specifications

Torque Accuracy: ≤ 0.5% F·S  Repeatability: ≤ 0.5% F·S

Overload Capacity: 150% F·S  Lag: ≤ 0.5% F·S

Linearity: ≤ 0.5% F·S  Zero Output: ≤ 0.5% F·S

Zero Point Temperature Stability: ≤ 0.1% F·S/10℃  Insulation Resistance: -------

Operating Temperature: -20 to 60℃ 

Relative Humidity: ≤ 90%RH

Zero Torque Frequency Output Standard Value: 10KHz/0V/12mA

Forward Torque Full-scale Frequency Output Standard Value*: 15KHz/+5V/20mA

Reverse Torque Full-scale Frequency Output Standard Value*: 5KHz/-5V/4mA