QWFK-8M Miniature Reaction Torque Sensor
Small and light weight torque sensor with shaft for reaction moments
Key features
- Capacity: 0 - 177 mNm to 0 - 34 Nm
- 0.1 % non-linearity and hysteresis
- Compact size
- High frequency
- Stainless steel construction
- Integral cable (standard)
About the QWFK-8M Miniature Reaction Torque Sensor
Models QWFK-8M miniature reaction torque transducers is engineered for minimum size and to achieve 0.1% maximum nonlinearity. Four bonded strain gages are positioned on a special machined portion of the transducer to effectively measure even slight torque motion. These models operate and are calibrated in both directions. A modular, stainless steel construction and no moving parts provide excellent durability under harsh industrial conditions. Potential miniature reaction torque transducer applications include motor dynamometer, tire braking, twist measurement, and friction-skid test measurements.
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Talk to an expertTechnical Specifications
Specification | Value |
---|---|
Bridge resistance | 350 ohm |
Case material | Stainless steel |
Deflection torsional, 100 in-lb to 300 in-lb | 0.00255 radians |
Deflection torsional, 25 in-oz to 50 in-lb | 0.0027 radians |
Electrical termination | Teflon cable (1.5 m [5 ft]) |
Excitation | 10 Vdc (5 Vdc if torque range <100 in-oz) |
Hysteresis | ±0.1 % full scale |
Linearity | ±0.1 % full scale |
Non-repeatability | ±0.03 % full scale |
Output | 2 mV/V nominal |
Range | 25, 100, 250 in-oz; 50, 100, 300 in-lb (approx. 177 mNm to 34 Nm) |
Resolution | Infinite |
Static overload capacity | 50 % over capacity |
Strain gage type | Bonded foil |
System accuracy | ±0.1 % full scale |
Temperature effect, span | 0.005 % reading/°F |
Temperature effect, zero | 0.005 % full scale/°F |
Temperature, compensated | 6 °C to 71 °C [60 °F to 160 °F] |
Temperature, operating | -54 °C to 107 °C [-65 °F to 225 °F] |
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