No

Item

Specification

1

Model No.

DPK-5228

2

Dimension

140 x 102.5mm(front panel)

3

Description

16 Keys Vandal proof IP65 level Stainless Steel Compact Format Numeric keypad with electronics controller protected by stainless steel housing, metal dome PCB with gold-on-gold key switch technology with short stroke 0.45mm, with top stainless steel panel mounting.

4

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/IP54, 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: DOS/Windows95/98/NT/ME/2000/2003/XP/Vista/Win 7, Linux, Unix, Mac OSX

5

Communication Parameter

Standard PC/AT keyboard interface. 
12 actuator on the keypad: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,Enter, Cancel, 4 x 3 scanning code. Any keys can be re-defined per customers’ requirements. 

6

Mechanical  Data

Actuation Force: 1.2N +/-0.1N (pressure point). 
Key Travel: 0.45mm. 
Lettering: laser engraving, or raised letters. 
Front panel: brushed stainless steel. 
Actuator/keys materials: stainless steel. 
Dimensions: See engineering drawing 
G.W. 1.0KGs

7

Electrical  Data

Switching material: Gold-on-Gold. 
Power supply voltage: 5V DC. 
Power Consumption: Under 300mW for operation, under 200mW for non-operation. 
Electrical lifetime: > 5 years. 
EMC:EN55022(B). 
Communication interface: PS2, or USB available.

8

Environmental Adaptability

Operating temperature:-20°C to +60°C. 
Storage temperature:-30°C to +70°C. 
Operating RH: 3090%. 
Atmospheric pressure: 60106Kpa.

9

Reliability

RoHS Compliant, CE and FCC 
Protection Level: IP65(front panel) 
Vandal resistant IK10 
Key Lifespan >5 million actuations . 
MTBF >20000h. 
MTTR <30min.