HFS-ST1
Static Torque Sensor
HFS-ST1 single-flange sensor for static, non-continuous torque measurement, with rated-torque options from 5 to 300 N·m and a millivolt bridge signal.
- Nonlinearity
- ±0.3–±0.5% FS
- Output resistance
- 350 ±5 Ω or 700 ±5 Ω
- Measurement function
- Static, non-continuous torque
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Single-flange torque-sensor body
A cylindrical metal body rises from a circular mounting flange. The upper connection has an open slot, with the cable secured at the side.
- Static torque
- For static, non-continuous rotational torque measurement.
- End-connection options
- Square, keyed or splined connections can be customized.
- Rated torque
- Selected ratings within 5–300 N·m.
Flange and fork-end dimensions
The drawing relates the four-hole flange to the forked end shown on the complete sensor. Dimensional units require confirmation. Confirm the flange and fork-end dimensions for your selected torque capacity before designing the connection.
- Overall length
- 86
- Flange thickness
- 10
- Flange diameter
- Ø78
- Mounting circle / holes
- Ø60 / 4–Ø10
- Thread callout
- 4–M5, depth 12
- Body diameter
- Ø39
- Fork-end diameter / length
- Ø30 / 30
- Slot width / depth
- 14 / 13.5
Configuration and selection
- Rated torque
- Selected ratings from 5 to 300 N·m.
- End connection
- Custom square, keyed or splined connections.
- Material
- Alloy steel or stainless steel.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HFS-ST1 |
| Measurement function | Static, non-continuous torque |
| Rated torque | Selected ratings within 5–300 N·m |
| Sensitivity | 1.5–2.0 ±0.05 mV/V |
| Nonlinearity | ±0.3–±0.5% FS |
| Hysteresis | ±0.3% FS |
| Repeatability | ±0.2% FS |
| Creep | ±0.1% FS |
| Zero temperature coefficient | ±0.1% FS / 10 °C |
| Sensitivity temperature coefficient | ±0.1% FS / 10 °C |
| Input resistance | 380 ±30 Ω or 750 ±30 Ω |
| Output resistance | 350 ±5 Ω or 700 ±5 Ω |
| Operating temperature | −20–70 °C |
| Safe overload | 150% FS |
| Insulation resistance | ≥2,000 MΩ |
| Excitation voltage | 5–12 V |
| Enclosure protection | IP65 |
| Material options | Alloy steel / stainless steel |
| Cable length | 3 m |
| Brand | WKSENSOR |
| Product reference | HH-759232015785 |
Application scenarios
For static, non-continuous torque measurement in mechanical equipment. Application areas include robotics, injection moulding, automotive equipment, water conservancy, batching and lifting.
Lifting equipment
Crane structure and lifting hook.

