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AML / Miniature Rotary Torque Transducer | YDSA

  • Capacities: 0-0.2Nm to 0-50Nm
  • 1.3mV/V Output
  • Very Compact Size
  • Non-Linearity: <±0.2%/Rated Capacity
  • Max Speed: 8000rpm
  • Ultra Compact for Mounting in Tight Spaces
  • Ideal for Electrical Motors, Pumps and Gearboxes
  • Integrated Mounting Pedestal and a Detachable Cable Assembly
  • Slip Ring Based Design
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Miniature Rotary Torque Transducer | YDSA

Accurate yet Small Torque Sensor with a High RPM Capability The YDSA series of miniature rotary torque transducers have a shaft-to-shaft configuration and offer a very small size for mounting in compact spaces. These small torque sensors utilise a slip ring for excitation and signal transmission and offer low-capacity torque measurement, high accuracy and high RPM capability. Thanks to the small torque sensors’ compact size, ideal applications include the monitoring of high-speed, low-torque electrical motors and pumps. For easy installation, the YDSA miniature rotary torque sensor features an integrated mounting pedestal and a detachable cable assembly. Want an analogue output with a rotary torque sensor? Try our DRBK low cost rotary torque sensor with internal signal amplifier offering high 1kHz frequency response.

Technical Specifications

Rated Capacity (RC) Nm 0.2, 0.5, 1, 2, 3, 5, 10, 30, 50
Rated Output (FSO) mV/V 1.3 nominal
Zero Balance/Offset ±%/Rated Output <1 typical
Output Symmetry (cw vs ccw) ±%/Rated Output <0.5
Non-Linearity ±%/Full Scale Output 0.2
Hysteresis %/Full Scale Output 0.2
Repeatability ±%/Full Scale Output 0.1
Temperature Effect on Zero ±%/Full Scale Output/ ˚C <0.005
Temperature Effect on Output ±/Applied Torque/ ˚C <0.009
Bridge Resistance Ohms 350 nominal
Insulation Resistance Megaohms @ 500Vdc 300
Excitation Voltage Volts AC or DC 10 recommended (2-15 acceptable)
Operating Temperature Range ˚C -20 to +70
Compensated Temperature Range ˚C -10 to +60
Storage Temperature Range °C -20 to +70
Safe Overload % of Rated Capacity 150
Ultimate Overload % of Rated Capacity 300
IP Rating (Environmental Protection) IP50
Weight kg 0.5
Fatigue Rating 108 cycles typical
Cable Length (as standard) 3 metres
Cable Type Ø4mm, 4-core screened
Frequency Response ms <10 typical
Resolution 1 part in 50,000 (with appropriate instrumentation)

Product Dimensions

YDSA Miniature Rotary Torque Transducer Outline Drawing
Capacity (Nm) A B C ØD ØE F G M N O ØP Q R RPM
0-0.2, 0-0.5, 0-1, 0-2 84 52 16 60 8 12 1 34.0 32 42 5.5 59 70 8000
0-3, 0-5 88 56 16 60 12 12 1 34.0 32 42 5.5 59 70 8000
0-10, 0-30 90 58 16 72 18 12 5×5 40.5 32 46 6.5 72 86 8000
0-50 118 58 30 72 18 26 5X5 40.5 32 46 6.5 72 86 8000
Capacity (Nm) A B C ØD ØE F G
0-0.2, 0-0.5, 0-1, 0-2 84 52 16 60 8 12 1
0-3, 0-5 88 56 16 60 12 12 1
0-10, 0-30 90 58 16 72 18 12 5×5
0-50 118 58 30 72 18 26 5X5
Capacity (Nm) M N O ØP Q R RPM
0-0.2, 0-0.5, 0-1, 0-2 34.0 32 42 5.5 59 70 8000
0-3, 0-5 34.0 32 42 5.5 59 70 8000
0-10, 0-30 40.5 32 46 6.5 72 86 8000
0-50 40.5 32 46 6.5 72 86 8000

All dimensions are in mm.

Wiring Details

Wire Designation
Red +ve excitation (Pin A)
White -ve excitation (Pin C)
Black +ve signal (Pin D)
Green -ve signal (Pin B)
Screen To ground — not connected to transducer body (Pin E)

Technical data version 25.05

Ordering Codes & Options

Core Product Capacity (inc Engineering Units) Cable Length (m) Specials Code Result
YDSA 0.2Nm 003 000 YDSA-0.2Nm-003-000
YDSA 0.5Nm 003 000 YDSA-0.5Nm-003-000
YDSA 1Nm 003 000 YDSA-1Nm-003-000
YDSA 2Nm 003 000 YDSA-2Nm-003-000
YDSA 3Nm 003 000 YDSA-3Nm-003-000
YDSA 5Nm 003 000 YDSA-5Nm-003-000
YDSA 10Nm 003 000 YDSA-10Nm-003-000
YDSA 30Nm 003 000 YDSA-30Nm-003-000
YDSA 50Nm 003 000 YDSA-50Nm-003-000

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