Watch and Smart Band Waterproof Testing Solutions

Smart bracelets, as daily wearable devices, have numerous application scenarios. Currently, air tightness testers are mainly used for waterproof testing of smart bracelets, testing the sealing performance of semi-finished and finished bracelets. Therefore, their probability of contact with water is much higher than that of other electronic products, so the waterproof performance of smart bracelets has attracted the attention of manufacturers and consumers alike. Smart bracelets can record data such as step count and heart rate, and can also track sleep patterns, which is then synced to an APP for analyzing various body indicators. Therefore, waterproofing of bracelets is now very important.

After manufacturers incorporate waterproof processes into smart band production, how do they know whether the band's waterproof performance meets requirements? So how does a smart band air tightness tester detect sealing performance?

1. Functional Requirements for Smart Bracelet Air Tightness

Smart band watch head air tightness tester, required to meet IP69k waterproof test rating or waterproof rating detection above the 50-meter waterproof standard.

2. Key Challenges in Smart Bracelet Testing

The wristband has no inflation port, so an indirect testing method is required to complete the waterproof test. In addition, the appearance of the smart wristband needs to be protected to prevent damage to the product appearance and display screen during testing. For semi-finished smart wristbands whose screen lenses have not yet been assembled, a fixture is generally made to seal the wristband screen and provide a test port, after which the direct testing method can be used. Either a waterproof test machine with a negative-pressure vacuum method or an air tightness tester with a positive-pressure method can be used for testing.

3. Smart Bracelet Sealing Design

Considering that smart bracelets have no inflation port, for a finished smart bracelet air tightness tester, a fixture is needed to seal the finished product as a whole. A quantitative and fixed-pressure gas is injected through the smart bracelet air tightness tester, and the sensor in the bracelet waterproof test machine will read the pressure change in real time and give a result based on the preset parameters.