Square Embossed Buttons Membrane Switch Panel Keypad For Medical Instruments

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