Waterproof custom numeric membrane keyboard
1.Printing size deviation + / - 0.10 mm, exterior line is not clear difference + / - 0.1 mm
2.Color deviation plus or minus 0.11 mm / 100 mm, insulation ink cover all silver slurry lines
3.No ink, the handwriting no disability
4. The color difference is not more than grades
5.Can not have crease, take off the lacquer
6.Transparent window transparent clean, uniform color, can not have scratches, pinhole, impurities.
7. Circuit form:Conductive material printed circuit
8.structure:Play convex type touch panel
 
Specifications
1. High quality,good price and prompt delivery; 
2. ISO and SGS ; 
3. Accept custom made, Free design; 
4.11 Years experience 
 
Product description
Electrical
Operating Voltage: 0~50V DC.
Operating Current: 500 MA Max.
Operating Contact Resistance: Less than 100 OHMS typical
Contact Bounce: Less than 5 Milliseconds typical.
Conductors: Printed silver conductive inks or carbon blend.
RFI and ESD Shielding: Available in most configurations.
 
Mechanical
Life Expectancy: 1,000,000 actuations per switch position
Actuation Force: 6~24 ounces (170~680g), Range depending on customer specification.
Switch Travel: .005" to .030" (0.1~0.8mm) typical.
Overall Thickness: .020" to .050" (0.5~1.3mm) typical.
 
Environmental
Storage Temperature: -40°C (-40°F) to +70°C (158°F).
Storage Altitude: Sea level to 35,000 feet.
Operating Temperature and Altitude: -30°C (-30°F) to +75°C (170°F). Can be designed to operate in most environments.
Humidity: No delamination after 24 hours at 80°C and 90%RH
 
 
Kaike Electronics CO.,LTD is a manufacturer of membrane switch with well-equipped testing equipment and strong technical force.
 With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in various industries.
 Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.