K-TEK-B139KP-24-DT

24 keys compact format  IP65 dynamic vandal proof Stainless Steel industrial numeric keypad with industrial metal dome PCB electronics controller shielded & protected by stainless steel housing,  industrial metal dome PCB with gold-on-gold key switch technology with short stroke 0.45mm with excellent tactile feeling for stable and accurate data input.  movable stand alone desk top  verion.
Dimensions: 139.0mm x 98.0mm (top panel)MAIN FEATURE 
Stainless steel fascia and key-tops guard willful destruction, against corrosion, shock, dust, falling raining, splashing, hose-directed water and vandal resistant, operation under hostile environments. 
Internet friendly key layout, key-tops are sunk laser-etched in legends and characters via using high quality ink for easy readability, long life to prevent lettering rub-off. Or protrusive engraving available 
With firm tactile key feel, short travel switches, with unique double over-travel protection. 
Waterproof/dirt-proof execution according to degree of protection IP65, waterproof and dirt proof encapsulation with unique membrane. 
Easily mounting into enclosure or panel, and is provided with PS/2, connection output cables that plug directly into the host computer for normal keypad operations. 
OS:All Windows, Linux, Unix, Mac OSX, Vxworks, Android, (U-cos–To be confirmed)

COMMUNICATION PARAMETER
USB, PS2 or RS232 interface are available. 
24 actuator on the keypad: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, . , -, F1, F2, F3, F4, F5, F6 ,Backspace, Enter, ESC, Del, Pgup, Pgdn, 4 x 6 scanning code. Any keys can be re-defined per customers’ requirements. 

MECHANICAL DATA
Switch Contact Material: Gold-on-Gold key switch technology with metal dome PCB. 
Actuation Force: 2.0N (pressure point) 
Key Travel: 0.45mm 
Lettering: laser engraving, or raised letters. 
Front panel: brushed stainless steel 
Actuator/keys materials: stainless steel 
Dimensions: 139.0mm x 98.0mm 
G.W. 1.20KGs

ELECTRICAL DATA
Power supply voltage: 5V DC. 
Power Consumption: Under 300mW for operation, under 200mW for non-operation 
Electrical lifetime: > 5 years 
EMC Standard:  It is compliance with the council IEC 61000-4-2:2008；IEC 61000-4-3:2006+AI:2007+A2:2010；IEC 61000-4-4:2004
EMI: EN 55022: 2010 
EMS: EN 55024:2010
Communication interface:PS2, USB or RS232 are all available.

ENVIRONMENTAL ADAPTABILITY
Operating temperature:-20°C to +60°C 
Storage temperature: -30°C to +70°C 
Operating RH: 30-90% 
Atmospheric pressure: 60-106Kpa.

RELIABILITY
RoHS Compliant, CE and FCC, ESD 
Protection Level: IP65(front panel) 
Vandal resistant IK10 
Key Lifespan >5 million actuations 
MTBF >50000H 
MTTR <30min