Overview
The MK907 rotary torque sensor transmits power and signal contactlessly, combining high accuracy and stability with strong immunity to interference in a compact, lightweight, easy-to-install package. It converts shaft torque into a precise electrical signal for real-time monitoring and control.
Key Features
- Contactless power and signal transmission
- High accuracy and interference immunity
- Compact, lightweight, easy to install
- High accuracy (±0.3%F.S) for precise measurement
- Stainless steel elastic element for durability and corrosion resistance
- Sealed to IP65 for reliable operation in harsh environments
Applications
Used for torque measurement on electric motors, engines and turbines, rail locomotives, and automotive, aerospace, marine and mining drivetrains.
| Technical Parameters | |||
|---|---|---|---|
| Rated capacity | 5N.m, 10N.m, 20N.m, 30N.m, 50N.m, 100N.m, 150N.m, 200N.m, 300N.m, 500N.m, 800N.m | Output sensitivity | 1~2.0±0.2mV/V |
| Temperature compensated range | -10°C~40°C | Nonlinearity | ±0.3%F.S |
| Operating temperature range | -20°C~60°C | Hysteresis | ±0.3%F.S |
| Temperature Effect on Output | ±0.05%F.S/10°C | Repeatability | ±0.3%F.S |
| Temperature Effect on Zero | ±0.05%F.S/10°C | Creep (30 min) | ±0.05%F.S/30min |
| Input impedance | 380 750±10Ω | Zero balance | ≤ ±1.5%F.S |
| Output impedance | 350 700±3Ω | Recommended excitation voltage | 9~12V DC |
| Insulation resistance | ≥5000MΩ | Safe overload | 120%F.S |
| Material | Stainless steel | Limit overload | – |
| Protection class | IP65 | Cable connection | Red: power + (E+), Black: power – (E-); Green: signal + (S+), White: signal – (S-) |
Dimension Drawing

Frequently Asked Questions
What are the typical applications of the MK907?
Used for torque measurement on electric motors, engines and turbines, rail locomotives, and automotive, aerospace, marine and mining drivetrains.
Which indicator, transmitter or system works with the MK907?
It outputs a standard mV/V strain signal, so it connects to most weighing indicators and transmitters — including those in our Sensor Accessories range.