Spline Driven Transformer Coupled Torque Sensor Model T259

///Spline Driven Transformer Coupled Torque Sensor Model T259

Spline Driven Transformer Coupled Torque Sensor Model T259

  • Meets AND 20002 & 10262 requirements
  • High stiffness, low inertia, and high bending moment capability
  • On-board shunt calibration circuit
  • Rated speed 20,000 rpm
  • Internal zero velocity speed sensor
  • (optional)
  • SAE 4340 alloy steel construction with satin nickel finish

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The T259 rotary transformer torque sensor with a spline drive and flanged housing meets the mounting requirements of Army-Navy standards AND 20002 and AND 10262. The T259 is rated to operate at speeds up to 20,000 RPM over extended periods with standard grease pack bearings. The T-259 requires the use of AC carrier strain gage signal conditioning electronics such as SensorData’s I200. The optional zero velocity speed sensor is installed inside the T259 housing. Interconnecting cable assemblies are available as an option. SensorData Technologies will provide in-house calibration of the T-259 with customer-supplied electronics for a fee.

Additional information


Small, Medium, Large, X-Large


Rated Capacity5K, 10K, 15K, 20K lb-in
Rated Speed 20,000 rpm
Nonlinearity0.05% of rated output
Hysteresis0.05% of rated output
Nonrepeatability0.02% of rated output
Rated Output, typical2 mV/V
Zero Balance+/-0.5% of rated output
Temperature Range, operating-20 to +200 F
Temperature Range, compensated+68 to +170 F
Temperature Effect on Output0.001% of load/F
Temperature Effect on Zero0.001% of rated output/F
Bridge Resistance, typical350 ohms
Excitation2.8 to 5 VAC rms, 3 kHz to 5 kHz
Insulation Resistance, bridge to case>5000 megohms at 50 VDC
Input Voltage, speed sensor, Vcc (optional) (1)4.5 to 24 VDC
Maximum Load, safe (2)200% of rated capacity
Maximum Load, ultimate (3)400% of rated capacity
Bending Moment Capability, measured from rear flange mounting pad to CG of unit under test120,000 lb-in
Number of Bridges1
Weight21 lb without i200, 22 lb with i200
ConstructionSAE 4340 alloy steel with satin nickel finish