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Model: 3123-01A

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PCB L&T Rotary Torque Transducer (Slip Ring), 100 in-lb/8.3 ft-lb (11.3 N-m) rated capacity, 100% static overload protection, 3/4-in (19.05 mm) Shaft

Speed sensor sold separately.

  • Measurement Range: 100 in-lb (11.3 Nm)
  • Sensitivity: 2.0 mV/V
  • Non-Linearity: <=0.1 % FS
  • Mounting: Keyed Shaft
  • Maximum Speed: 7900 RPM

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Measurement Range (Full Scale Capacity)100 in-lb11.3 Nm 
Sensitivity (output at rated capacity)2.0 mV/V2.0 mV/V[1] 
Non-Linearity≤0.1 % FS≤0.1 % FS[2] 
Hysteresis≤0.1 % FS≤0.1 % FS[2] 
Non-Repeatability≤0.05 % FS≤0.05 % FS[2] 
Overload Limit200 in-lb22.6 Nm 
Temperature Range (Operating)0 to 200 °F-18 to 93 °C 
Temperature Range (Compensated)70 to 150 °F21 to 66 °C 
Temperature Effect on Output (Maximum)±0.002 %Reading/°F±0.0018 %Reading/°C[3] 
Temperature Effect on Zero Balance (Maximum)±0.002 %FS/°F±0.0018 %FS/°C[3] 
Bridge Resistance350 Ohm350 Ohm 
Excitation Voltage20 VDC or VAC rms20 VDC or VAC rms[4] 
Insulation Resistance>5000 MOhm>5000 MOhm 
Zero Balance≤2 % FS≤2 % FS[2] 
Bridge Current (at 5 VAC)50 mA50 mA 
Size - Shaft Length9.00 in228.6 mm[5] 
Size - Housing Length4.58 in116.3 mm[5] 
Size - Housing Height4.00 in101.6 mm[5] 
Size - Shaft Diameter0.75 in19 mm[5] 
Size - Shaft Keyway3/16 in4.7 mm[5] 
Weight4.5 lb2.04 kg 
MountingKeyed ShaftKeyed Shaft 
Sensing ElementStrain GageStrain Gage 
Housing MaterialAluminumAluminum 
Shaft MaterialAlloy SteelAlloy Steel 
Electrical ConnectorPT02H-10-6PPT02H-10-6P 
Electrical Connection PositionTopTop 
Rotating Inertia0.48 in-lb/sec20.48 in-lb/sec2 
Maximum Speed7900 RPM7900 RPM 

All specifications are at room temperature unless otherwise specified.

Product Notes
[1] Nominal.
[2] FS - Full Scale.
[3] Over compensated operating temperature range.
[4] Recommended 10 VAC RMS.
[5] See drawing 44773 for complete dimensions.
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