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Precision Rotary Encoders for Industrial Automation

Gertech delivers high-performance incremental and absolute encoders trusted by hundreds of enterprises worldwide since 2004. Engineered for reliability in heavy-duty, servo, and light-duty applications.

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About Gertech

GERTECH is a technical enterprise located in Weihai City, Shandong Province, China, providing professional industrial automation sensor solutions for hundreds of enterprises worldwide since 2004. We offer the world’s broadest range of encoders for motion feedback control.

For over 17 years, Gertech has delivered innovative, customized system solutions for virtually any heavy-duty, industrial, servo, or light-duty application. We are committed to excellence in safety, quality, delivery, and customer service.

Our product portfolio includes optical and pneumatic sensing edges, bumpers, and photo-eye sensors meeting international safety standards—used in commercial doors, trains, buses, and production machines.

17+
Years of Experience
100+
Global Clients

Our Main Products

High-precision rotary encoders designed for industrial automation, CNC, robotics, and more. All models built for durability and accuracy in demanding environments.

GI-H100 Hollow Shaft Encoder

GI-H100 Series

100mm Housing Hollow Shaft Incremental Encoder

  • ▶ Housing: 100mm
  • ▶ Bore: 30–45mm
  • ▶ Max Resolution: 6000ppr
  • ▶ Voltage: 5V / 8–29V
  • ▶ Output: NPN/PNP, Push-pull, Line Driver
GI-H40 Hollow Shaft Encoder

GI-H40 Series

40mm Housing Hollow Shaft Incremental Encoder

  • ▶ Housing: 38mm
  • ▶ Shaft: 6mm, 8mm
  • ▶ Max Resolution: 6000ppr
  • ▶ Voltage: 5V / 8–29V
  • ▶ Output: NPN/PNP, Push-pull, Line Driver
GI-S40 Solid Shaft Encoder

GI-S40 Series

40mm Housing Solid Shaft Incremental Encoder

  • ▶ Housing: 38mm
  • ▶ Shaft: 6mm
  • ▶ Max Resolution: 10000ppr
  • ▶ Voltage: 5V / 8–29V
  • ▶ Output: NPN/PNP, Push-pull, Line Driver
Optical Encoder Kit

GI-HK Series

Optical Encoder Kit

  • ▶ Housing: 30mm
  • ▶ Shaft: 3–10mm (solid/hollow)
  • ▶ Max Resolution: 1000ppr
  • ▶ Voltage: 5V / 8–29V
  • ▶ Output: Voltage, Differential
GI-H90 Hollow Shaft Encoder

GI-H90 Series

90mm Housing Hollow Shaft Incremental Encoder

  • ▶ Housing: 90mm
  • ▶ Bore: 20–40mm
  • ▶ Max Resolution: 6000ppr
  • ▶ Voltage: 5V / 8–29V
  • ▶ Output: NPN/PNP, Push-pull, Line Driver

Absolute Encoder

Single & Multi-turn with Multiple Interfaces

  • ▶ Interfaces: SSI, Modbus, Profibus
  • ▶ CANopen, Profinet, DeviceNet, EtherCAT
  • ▶ High accuracy for motion control
  • ▶ PROFINET fills domestic market gap

Draw Wire Sensor

Precision Linear Position Measurement

  • ▶ Robust design for harsh environments
  • ▶ Long-life cable and encoder
  • ▶ Analog and digital outputs
  • ▶ Ideal for crane, lift, and stage systems

Manual Pulse Generator

Handwheel Encoder for CNC & Control Panels

  • ▶ Ergonomic design
  • ▶ High-resolution feedback
  • ▶ Durable construction
  • ▶ Used in machine tool control
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Industries We Serve

Gertech encoders are trusted across diverse sectors requiring high-precision motion control and feedback systems.

Aeronautical & Space

Autonomous Vehicles & Robots

CNC Machine Tools

Factory Automation

Elevator Industries

Logistics Industry

Wind Power Generation

Printing Machinery

Latest Insights

Stay updated with industry trends, technical guides, and company news.

Technical Guide

Understanding Encoder Interfaces

Explore SSI, CANopen, Profinet, and EtherCAT for industrial communication.

Industry News

Automation Trends 2025

How encoders are shaping the future of smart manufacturing and robotics.

Company News

New PROFINET Encoder Launched

Gertech fills domestic market gap with high-performance Profinet interface.

Read More Articles

Get in Touch

Have questions about our encoders or need a custom solution? Contact us today.

Phone: 0086 19910325996

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