| Model | D-87109 |
| Size | 132.92*125.92mm (front panel) |
| Number of Keys | 16 keys |
| Material | Silicone button + stainless steel panel |
| Key travel | 0.4mm |
| key switch lifespan | more than 2 million operations |
| Keyswitch technology | metal dome |
| Mounting style | Panel mount |
| Supply Voltage | +5V DC +/-5% |
| Communication interface | Matrix,USB or PS2,RS232 ,RS485 Modbus(optional) |
| Protection Level: | IP67(front panel) |
| Operating temperature | -40°C ~+70°C |
| Storage temperature | -40°C ~ +80°C |
| Certificate | CE FCC RoHS Compliant |
| OS support | DOS/Windows95/98/NT/ME/2000/2003/XP/Vista/7,8,10 Linux, Mac,etc |
| MTBF | >20000H |
| MTTR | <30min |
| APPLICATION | Mining Explosion-Proof Inverter，Mining Equipment |
