Optical vs Magnetic Linear Scales – Key Differences Explained

273 Views Posted on: 01/04/2026
 

Optical Linear Scales – Maximum Precision

Optical linear scales use light to read a finely graduated glass or metal scale. The scanning head converts the optical signal into precise position data.

Key advantages:

• extremely high accuracy and resolution

• excellent repeatability

• ideal for CNC and precision machinery

Limitations:

• sensitive to dust, oil, and coolants

• requires protective housing

• higher installation costs

Optical scales are best suited for clean environments with the highest precision requirements.

⸻

Magnetic Linear Scales – Reliability for Industry

Magnetic linear scales consist of a magnetic tape and a sensor that detects changes in the magnetic field. This technology is widely used in industrial automation.

Key advantages:

• resistant to dirt, moisture, vibration, and oil

• easy installation over long distances

• cost-effective solution

• long service life

👉 Explore magnetic linear scales at:

www.morkom-tech.com

⸻

Optical vs Magnetic Linear Scales – Comparison

Feature

Optical

Magnetic

Measurement principle

Optical

Magnetic

Accuracy

Very high

High

Environmental resistance

High

Very high

Installation

Complex

Simple

Cost

Higher

Lower

Applications

CNC, precision

Industrial automation

⸻

Conclusion

Optical and magnetic linear scales address different industrial needs. Optical systems deliver ultimate accuracy, while magnetic scales provide robustness and reliability in harsh environments. Choosing the right solution ensures higher machine performance, repeatability, and uptime.

 
Posted in: Sample Category

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