Can dual-code magnetic encoders be used normally in dusty environments?

The double code magnetic encoder has good applicability in dusty environments, mainly based on its design characteristics and working principle advantages:

Non contact magnetic induction principle
The double code magnetic encoder uses magnetic field changes to detect position, without the need for physical contact or optical paths. Dust does not interfere with the transmission of magnetic field signals, avoiding the problem of signal failure caused by dust obstruction (which is a common defect of photoelectric encoders).

Fully enclosed structural design
Adopting metal casing or integrated sealed casing, such as zinc/aluminum die-casting casing or all metal packaging. This structure can directly block dust from entering sensitive components such as magnetic sensors and disks, providing a physical protective barrier.

No precision optical components
Compared to photoelectric encoders that rely on transparent encoders and light sources, magnetic encoders eliminate optical components such as slit disks and lenses that are susceptible to dust pollution. Dust adhesion will not affect its core magnetic signal detection function.

Anti pollution materials and protective processes
Key components (such as disks) are made of corrosion-resistant materials such as stainless steel, and the interface is often equipped with sealing rings or dust pads. Some models support cable shielding and fully differential circuit design to reduce the risk of electrical interference in dusty environments.

Environmental adaptability verification
Industrial grade magnetic encoders have been designed to simulate harsh working conditions such as dust and oil pollution, and have passed anti dust intrusion tests (such as IP rating). Practical application verification shows that it has high stability in dusty scenarios such as machine tool cutting and mining machinery.