
1.Panels, buttons made of high quality stainless steel, has a strong anti-destructive
2.PCB double sided, metal dome lines, access to reliable
3.Key word laser engraving, etching, oil filled, high strength paint
4.3x4 keyboard matrix design.
Item | Rs232 Keypad |
Input Voltage | 3.3V/5V |
Waterproof Grade | IP65 |
Vandal roof Grade | IK09 |
Working Life | More than 1 million time per key |
Key Elasticity | 250g/2.45N |
Key Travel Distance | 0.45mm |
Working Temperature | -25℃~+65℃ |
Storgage Temperature | -40℃~+85℃ |
Relative Humidity | 30%-95% |




Normally used in public environment applications, such as vending machines, ticket machines, payment terminals.