ELECTRONICS, CONNECTORS, AND CONSUMER DEVICES
Leak testing of electronic components and sealed devices
Technical guide to leak testing for electronic components such as sensors, connectors, cameras, smartphones, and MEMS devices. Find information on leak rates, testing methods using air or helium, and recommended equipment for high-precision applications.
SPECIALIZED TECHNICAL GUIDE
Selection of leak tests for electronics and devices
Electronic devices require increasingly stringent leak-tightness standards, ranging from rapid air leak tests for production to helium micro-leak detection in high-precision components such as MEMS or electronic packages. This guide helps identify the appropriate method, acceptable leak rate, and ideal equipment for each application.
| Component / Application | Reference Leak (Criteria) |
Recommended method | Recommended Equipmnent |
|---|---|---|---|
Leak test for pressure sensor
Technical Description
A device that measures pressure in industrial or electronic systems and requires a seal to prevent measurement errors.
|
0.5 mL/min | Air | LS-R902 / LS-R700 |
Leak test for inkjet printers
Technical Description
Inkjet systems that require a sealed environment to prevent leaks and maintain print accuracy.
|
0.5 mL/min | Air | LS-R700 / LS-1866 |
Leak test for cell phone charger connector
Technical Description
An electrical connector that must prevent moisture from entering and ensure efficient power transmission.
|
0.1 mL/min | Air | LS-R700 / LS-1866 |
Leak test for assembled cable (Cable ASSY)
Technical Description
A set of electrical cables that requires secure connections and airtight insulation.
|
0.3 mL/min | Air | LS-R700 / LS-1866 |
Leak test for small electronic devices
Technical Description
Miniaturized devices that require microleak detection to ensure reliability.
|
5.0×10-5 Pa・m³/s | Helium | LDS3000 |
Leak test for connector
Technical Description
An electrical connection component that requires sealing to prevent failures caused by moisture or contaminants.
|
0.3 mL/min | Air | LS-R700 / LS-1866 |
Leak test for cameras
Technical Description
Optical devices used for inspection or monitoring that require protection against dust and moisture.
|
0.3 mL/min | Air | LS-R740ZL / LZ-R155 |
Leak test for resin lenses
Technical Description
Plastic lenses that require leak testing during manufacturing and assembly processes.
|
0.3 mL/min | Air | LS-R700 / LS-1866 |
Leak test for glass unit
Technical Description
Precision components that require highly sensitive leak testing.
|
1.0×10-9 Pa・m³/s | Air / Helium | LS-R740ZL / LDS3000 |
Leak test for smartphone casing
Technical Description
An external structure that protects the internal components and requires seal validation.
|
400 Pa / 2.5 sec | Air | LS-R700 / LS-1866 |
Leak test for smartphone frame
Technical Description
An internal structure that supports components and requires micro-crack control.
|
1.7×10-5 Pa・m³/s | Air / Helium | LS-R700 / LDS3000AQ |
Leak test for diving camera
Technical Description
Equipment designed for submersion that requires high pressure resistance and watertightness.
|
6.0×10-3 Pa・m³/s | Helium | LDS3000 |
Leak test for the housing of a communication device
Technical Description
Protects electronic communication equipment from external environments.
|
0.5 mL/min | Air | LS-R902 / LS-R700 |
Leak test for cable harness
Technical Description
A set of organized cables that distribute power and signals in electronic systems.
|
0.5 mL/min | Air | LS-R700 / LS-1866 |
Battery leak test
Technical Description
A power source that must be sealed to prevent leaks and safety hazards.
|
0.1 mL/min | Air / Helium | LS-R902 / LS-R700 |
Waterproof Leak Test for Cell Phones
Technical Description
Sealed device that requires waterproofing validation for use in humid environments.
|
0.45 mL/min | Air | LS-R902 / LS-R700 |
Leak test for waterproof camera
Technical Description
Camera designed for humid conditions that requires testing for water ingress.
|
0.25 mL/min | Air | LS-R740ZL / LZ-R155 |
Leak test for waterproof connector
Technical Description
Sealed connector designed for use in humid environments or environments exposed to liquids.
|
0.05 mL/min | Air | LS-R902 / LS-R700 |
Leak test for a waterproof switch
Technical Description
Sealed switch that requires protection against moisture for reliable operation.
|
0.1 mL/min | Air | LS-R740ZL / LZ-R155 |
Leak test for micrometer
Technical Description
High-precision measuring instrument that requires protection from contaminants.
|
7 mL/min | Air | LS-R902 / LS-R700 |
Leak test for relay
Technical Description
An electromechanical device that controls electrical circuits and requires sealing to prevent malfunctions.
|
0.02 mL/min | Air | LS-1881A / LS-1866 |
Leak test for MEMS
Technical Description
Microelectromechanical systems that require microleakage testing due to their high sensitivity.
|
2.0×10-5 Pa・m³/s | Air / Helium | LS-R740ZL / LDS3000 |
Leak test for electronic packages (PKG)
Technical Description
Encapsulation of electronic components that requires an airtight seal to protect internal circuits.
|
5.0×10-5 Pa・m³/s | Helium | LDS3000 |
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