Special waterproof keyboard KM-28（b）

Main feature

Technical Parameters

Key switch: Using natural high-quality silicone rubber, thin film and conductive silver adhesives.

Using omniseal waterproof, dustproof structure.

Total excursion:3.8±0.1mm

Prestroke:2.2±0.6mm

Operating force:55±7g

Resilience force ：≥20g

Insulation resistance：≥50MΩ

Loop resistance：≤150Ω

The cycle life：≥15,000,000times

The keyboard structure size chart:

KM28（b）结构图.png

The keyboard matrix pareto diagram:

KM-28矩阵图.png

Returns