Sensors Built 
At a Glance
- 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
Description
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. They utilise a slip ring for excitation and signal transmission and offer low capacity torque measurement, high accuracy and high RPM capability.
Typical applications include the monitoring of high speed, low torque electrical motors and pumps.
For easy installation the YDSA 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.
Need a static miniature torque sensor? Try our YDNS miniature static reaction torque sensor ideal for electrical motors, pumps and gearboxes.
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
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) |
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 |
Why Applied Measurements?
- Suppliers of top quality strain gauge sensors and transducers to every corner of industry - UK and worldwide
- Over 100 years of expert transducer knowledge
- Our high quality products all come with a 3 year warranty
