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KM-30 POS-specific membrane switch keyboard products |
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POS cash drawer POS keyboard POS shell Notes printer shell Access control lock | |
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KM-30 membrane switch-type full-sealed waterproof keyboard, mechanical and electrical properties of key switches: Using all-natural high-quality silicone rubber, thin film and conductive silver glue, all-sealed water-proof, dust-proof structure. Full stroke: 3.8 ± 0.1mm Pre-travel: 2.2 ± 0.6mm Operating Force: 55 ± 7g Back Stretch: ≥ 20g Insulation resistance: ≥ 50MΩ Loop resistance: ≤ 70Ω Cycle life: ≥ 1 × 15000000 times
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Keyboard structure size map
Keyboard matrix arrangement diagram:
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All Rights Reserved @2009 ZHANGJIAGANG HOUGE ELECTRONIC CO., LTD. |
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