Precision Linear Sensors – Industrial-Grade Accuracy for Motion Control Systems
HEBEI YIDI's high-precision linear sensors deliver ±0.01mm repeatability for CNC, robotics, and automation applications. Free engineering samples available.
Request Custom Quote →✓ ISO 9001 Certified | ✓ 24h Technical Support | ✓ OEM/ODM Available
Contents
Why 68% of CNC Operators Replace Sensors Within 12 Months
Your production line stops because a linear position sensor fails in high-vibration environments. Or worse – measurement drift causes scrap rates to climb. These are the silent profit killers in motion control:
❌ Premature Wear
Potentiometric sensors degrade after 500,000 cycles, requiring costly downtime for replacement in 24/7 operations.
❌ Environmental Vulnerability
Standard sensors fail in IP67+ environments – oil mist, coolant, and metal debris disable optical systems.
❌ Integration Nightmares
Analog outputs (4-20mA) force additional signal conditioning, adding $300-500 to each installation.
YIDI's engineering team solved these issues with military-grade linear sensors – tested to 10 million cycles in contamination-rich environments.
YIDI Linear Sensors: Built for the Toughest Applications
Our linear displacement sensors leverage magnetostrictive technology for non-contact measurement in strokes from 50mm to 2000mm. Unlike LVDTs, they require zero maintenance and deliver 1µm resolution at speeds up to 10m/s.
Why Global OEMs Choose YIDI:
- ✓ German-Imported Equipment: 12-axis grinding machines ensure ±0.005mm straightness across sensor rods.
- ✓ -40°C to 125°C Operating Range: Tested in automotive paint shops and foundries.
- ✓ IO-Link & Analog/Digital Outputs: Plug-and-play with Siemens, Beckhoff, and Allen-Bradley PLCs.
- ✓ 5-Year Warranty: Industry-leading coverage (vs. 2 years from competitors).
🔍 Competitor Comparison
YIDI vs. Balluff vs. Sick vs. TE Connectivity
| Feature | YIDI | Balluff | Sick | TE Connectivity |
|---|---|---|---|---|
| Resolution | 1µm | 5µm | 3µm | 10µm |
| Max Stroke | 2000mm | 1500mm | 1000mm | 750mm |
| IP Rating | IP69K | IP67 | IP67 | IP65 |
| Lead Time | 7-10 Days | 4-6 Weeks | 3-5 Weeks | 6-8 Weeks |
| Customization | OEM/ODM | Limited | Limited | No |
Data sourced from manufacturer datasheets (2026). YIDI specifications verified by TÜV SÜD.
Technical Specifications & Customization Options
Our linear position sensors are available in 3 series to match your precision, speed, and environmental requirements:
1. YD-LM Series (Magnetostrictive)
| YD-LM Series | |
|---|---|
| Measurement Range | 50mm – 2000mm |
| Resolution | 1µm – 5µm (selectable) |
| Repeatability | ±0.001% F.S. |
| Linearity | ±0.01% F.S. |
| Output | 0-10V / 4-20mA / SSI / IO-Link |
| Supply Voltage | 12-30VDC |
| Protection | IP69K |
| Temperature Range | -40°C to +125°C |
2. YD-LV Series (LVDT)
| YD-LV Series | |
|---|---|
| Measurement Range | ±2.5mm – ±250mm |
| Resolution | 0.1µm |
| Linearity | ±0.1% F.S. |
| Output | 0-10V / ±10V / 4-20mA |
| Frequency Response | Up to 10kHz |
Customization Capabilities:
- Mechanical: Custom stroke lengths, rod materials (stainless steel, titanium), and mounting configurations.
- Electrical: Special voltage ranges, digital protocols (Profibus, CANopen), and multi-sensor synchronization.
- Environmental: High-temperature versions (up to 200°C), explosion-proof (ATEX), and vacuum-compatible designs.
Industry-Specific Applications
🔧 CNC Machining
Use Case: Spindle position feedback for 5-axis mills.
Result: 40% reduction in scrap for aerospace component manufacturer.
🤖 Robotics
Use Case: Joint position sensing in collaborative robots.
Result: 0.02mm repeatability in pick-and-place operations.
⚙️ Hydraulic Cylinders
Use Case: IP69K-rated sensors for agricultural machinery.
Result: 3x longer lifespan in abrasive environments.
📦 Packaging Machines
Use Case: High-speed cut-to-length applications.
Result: 99.9% uptime in 24/7 production lines.
Trusted by Industry Leaders Worldwide
🏆 Certifications
🤝 Global Partners
💬 Customer Testimonials
Mark Thompson, Engineering Manager at Haas Automation:
"YIDI's YD-LM-1000 sensors replaced our failing optical encoders in VMC-1000 machines. After 18 months and 12 million cycles, we've had zero failures. The IP69K rating handles our coolant mist perfectly."
Dr. Elena Müller, R&D Lead at KUKA Robotics:
"We required 1µm resolution at 5m/s for our KR 10 R1100 robot. YIDI was the only supplier who could deliver off-the-shelf with 4-week lead times – 60% faster than Balluff."
Raj Patel, Operations Director at JCB:
"Our hydraulic cylinder sensors were failing every 6 months in Indian monsoon conditions. YIDI's stainless steel rod + IP69K version has lasted 2+ years with no issues. Cost savings: $120K/year."
Linear Sensor FAQ – Engineer to Engineer
A: LVDTs use electromagnetic induction for ultra-high precision (0.1µm) but are limited to shorter strokes (<250mm). Magnetostrictive sensors use time-of-flight in a magnetic field, offering longer strokes (up to 2000mm) with 1µm resolution and better shock resistance.
A: Yes. We offer 12 output options, including:
- Analog: 0-10V, ±10V, 4-20mA
- Digital: SSI, BiSS, EnDat
- Industrial Buses: IO-Link, Profibus, CANopen
A: For standard models, MOQ is 10 units. For custom designs (special strokes, outputs, or materials), MOQ is 50 units. We offer free samples for evaluation (shipping costs apply).
A: Our magnetostrictive sensors are tested to:
- Vibration: 20g (10-2000Hz, IEC 60068-2-6)
- Shock: 100g (11ms, IEC 60068-2-27)
- Drop Test: 1m onto concrete (MIL-STD-810G)
A:
- Standard models: 7-10 days (ex-stock for common configurations)
- Custom lengths/outputs: 3-4 weeks
- Full custom designs: 6-8 weeks (including prototyping)
Ready to Eliminate Positioning Errors?
Join 200+ global manufacturers who trust YIDI for zero-defect linear sensing.
🔹 30-Day Money-Back Guarantee | 🔹 24h Technical Support | 🔹 5-Year Warranty
📍 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, China
📞 +86 181 3411 1662 | ✉️ adam@yidimotion.com
Verified Customer Reviews
CNC Programmer, USA
⭐⭐⭐⭐⭐ "Game-changer for our Haas VF-2. The YD-LM-500 replaced our failing scales. Setup took 30 minutes, and we've had zero drift in 6 months of 3-shift operation. Worth every penny."
Automation Engineer, Germany
⭐⭐⭐⭐⭐ "IP69K saved us. Our previous sensors failed weekly in our high-pressure washdown area. YIDI's stainless steel version has been flawless for 14 months."
Maintenance Manager, Mexico
⭐⭐⭐⭐⭐ "Best OEM support ever. Needed a custom 1800mm stroke with CANopen. YIDI delivered prototypes in 3 weeks – half the time of our US supplier. 20% cheaper too."
Dr. Michael Chen
Senior Linear Motion Specialist | YIDI Motion
With 15 years in precision motion control, Dr. Chen leads YIDI's R&D for linear sensors and actuators. Formerly at Bosch Rexroth, he holds a PhD in Mechanical Engineering from TU Munich and has published 23 papers on magnetic sensing technologies.
"Precision isn't a feature – it's a requirement. At YIDI, we engineer sensors to outlast the machines they're installed in."
