Wireless Rotary Torque Transducer
Wireless Rotary Torque Transducer
(Also known as Wireless Rotary Torque Sensor / Non-Contact Torque Transmitter)
A Wireless Rotary Torque Transducer is a precision sensor device that measures the rotational torque applied to a rotating shaft and transmits the data wirelessly — without the need for slip rings or physical wiring. It is a key component in real-time torque monitoring, calibration, and process control for rotating machinery, power tools, and industrial bolting systems. Unlike conventional wired transducers, the wireless rotary type uses contactless signal transmission via RF (radio frequency), Bluetooth, ensuring stable, high-speed, and interference-resistant torque data even under high-speed rotation and vibration.
Compare the series
| Series | Output | Angle | Torque range | Models | Designed for |
|---|---|---|---|---|---|
| TTES | Square drive 3/8"–1-1/2" | — | 2 – 2400 | 11 | Dynamic bolting |
| TTAS | Square drive 3/8"–1-1/2" | 0–360° / 0.5° | 2 – 3000 | 11 | Static control & measurement |
| TTEB | Bit holder, Hex 6.35 mm | — | 0.5 – 20 | 3 | Screwdrivers, small fasteners |
| TTEH | Impact socket, Hex 17–32 | — | 18 – 800 | 10 | Heavy impact wrenches |
| TTAH | Impact socket, Hex 17–46 | 0–360° / 0.5° | 18 – 750 | 8 | High torque with angle control |
Measured torque range in N·m, equal to 10–100% of each model's nominal capacity. Nominal capacities run 5 to 2000 N·m; 3000 N·m and above is custom made.
Common specification
- Measured range
- 10% – 100% Tnom
- Torque resolution
- 0.1% Tnom
- Accuracy CW
- ±1% RF · ±0.5% BT
- Accuracy CCW
- ±2% RF · ±1% BT
- Static accuracy
- ±1% FSD RF · ±0.5% FSD BT
- Zero balance
- <±0.5% FSD/°C
- Maximum torque
- 100% Tnom
- Wireless
- RF 2.4 GHz (60 ch) or BT
- Wireless range
- RF 20 m · BT 15 m
- Battery
- DC 3.7 V / 650 mAh
- Battery life
- RF 8 h · BT 12 h
- Charging
- USB-C 5 V/1 A · 2 h
- Operating temp.
- 0 °C – 50 °C
- Storage temp.
- -10 °C – 60 °C
- Humidity
- 10 – 75% non-condensing
- Power switch
- Magnetic
- Warranty
- 12 months, or 200,000 dynamic / 500,000 static cycles
- Compliance
- CE · RoHS · REACH
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