
Square embossed buttons graphic overlay tactile membrane switch panel
/ ZS-27 / application for medical instruments
Features:
1) Light weight,compact structure,good-looking apperance ,and long service life.
2) Outstanding damp-proof and dust-proof performance ,and good shock resistance.
Specifications:
Membrane Panel
1) water proof,
2) moisture proof,
3) temperature enduring,
4) solvent resist and good appearance.
QC Standard
Overlay Printing | Spelling mistake | Not allowed |
Incorrect Font | Not allowed | |
Dimension error | >0.2mm is Not allowed | |
Color | Less than 2 levels with the specified Pantone color | |
Dot impurities | Diameter less than 0.2mm Distance between two impurities is more than 50mm The number of impurities is less than 2 within 100cm | |
Linear impurities | Width is less than 0.2mm,length is less 0.4mm in panel surface.Distance between two impurities is more than 50mm | |
Window impurities | Diameter is less than 0.2mm in the center of the window |
Membrane panel Performance indicators:
1. Electronic characteristics
Circuit rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω--500Ω (According the trace length and
materials to comfirm)
Insulation resistance:> 100MΩ 250V DC
Contact bounce: ≤ 5ms Dielectric withstand:250VRms (50-60Hz 1min)
Life expectancy: flat type ≥ 5 million times, tactile type: ≥ 1
million times
2. Mechanical Properties Actuation force:flat type 57-284g (2-10
Oz), tactile type 170-397g
(6-14 Oz) Switch stroke: flat type 0.1-0.5mm, tactile type 0.6-1.5mm
3. Environmental parameters
Operating Temperature: -40 oC- +80oC , Storage temperature: -40oC -
+85oC
Humidity: 40oC , 90% -95%, 240 hours
Membrane Panel Primary Competitive Advantages:
1. Prompt Delivery.
2. Quality Control (IQC, On line Inspection, OQC, ISO9001 and 5S).
3. Reputation.
4. Service.
5. Small Orders Accepted.
6. Superior R&D Background (continuously new product
development and current product
(improvement).
7. Customize Design / Production (OEM/ODM business and flexible
designs for customers'
special requirements).
Product type
Nanjing Zhongshan Membrane Switch Co., Ltd.
Over 20 Years in the Membrane Switch Industry,Founded in 2002, Nanjing Zhongshan Membrane Switch is a professional membrane switch manufacturer in China. Our professional operation can ensure you of quality products supported by mechanical, electronic and control automation. Based on our good abilities in technology and production workmanship, our products are strictly checked by our quality supervision department. For your added assurance, our plants are ISO 9001:2000-certified and our products are compliant with the RoHS Directive..
“Our 3,000sqm factory houses three production lines furnished with advanced equipment to manufacture up to 6 million pieces monthly. We are serving customers in Asia, the US, Europe, Australia and other areas worldwide.