Terms and expressions for specifying torque transducers

Metrological properties of the torque measuring system

• Accuracy class
• Sensitivity
  • Sensitivity C
  • Nominal sensitivity C_nom
  • Sensitivity tolerance d_c
• Temperature effect
  • Temperature effect on the sensitivity TK_C
  • Temperature effect on the zero signal TK₀
• Linearity deviation
  • Linearity deviation d_lin
  • Linearity deviation including hysteresis d_lh
• Relative reversibility error d_hy
• Relative standard deviaton of repeatability σ_rel

Ambient conditions and load limits

• Load limits
  • Nominal rotation speed
  • Nominal torque M_nom
  • Maximum service torque
  • Limit torque
  • Breaking torque
• Permissible oscillation bandwidth
• Parasitic loads
  • Axial limit force F_a
  • Lateral limit force F_r
  • Bending limit moment M_b
• Temperatures
  • Reference temperature
  • Nominal temperature range
  • Service temperature range
  • Storage temperature range