![]() ![]() Therefore, the general watch factory uses the "pressure value" to test the waterproof function of the watch, and use the compression value unit (BAR or ATM) to indicate the waterproof depth. When the pressure inside and outside the watch case is uneven, the watch body is prone to bursting. In terms of physical phenomena, every 10 meters of underwater depth will increase of 1 atmosphere pressure. Let us first understand how the testing standards for waterproof watches come from. So what is this standard? What about the real waterproof performance of a smart watch that says it can be waterproof to 100 meters? ![]() How many meters waterproof is just a specification used to indicate the waterproofness of the product, rather than the real waterproofness of 100 meters. I just want to say, of course not.Many bracelets claim that their bracelets support XX meters of water resistance, and the standards used here refers to standards for waterproof watches. So what do some sellers mean that their bracelets can be waterproof to 50 meters or 100 meters?ĪTM Ratings – Water Resistance Under PressureĬan I really dive to 100 meters with a 100 meters waterproof watch? Seeing this, I believe you have a certain understanding of the IPXY standard. If you want to be truly waterproof, you should choose the highest level of IPX8. From the definition of IPX7, we can understand that it is not strictly waterproof, but refers to a simple half-hour immersion test. Nowadays, most smart watches meet the IP67 standard. Below are charts that summarize these protection levels. Y, meanwhile, represents the rating for liquid ingress, or how resistant it is to penetration by liquids under various conditions, and ranges from 0 to 8. X is the rating for physical ingress, or how resistant the device is to penetration by foreign solid objects such as dust, and ranges from 0 to 6. One of the commonly used standards at present is the IP standard, the Ingress Protection (IP) rating established by the International Electrotechnical Commission (IEC).Ī device’s IP rating consists of two numbers and is given in the format IPXY (i.e. In fact, users need not worry about wearing our device in the pool, the rain or the cold shower, as it has a water resistance rating of IP68.īut what exactly do these numbers mean? And what is the difference between ATM ratings and IP ratings? Read on to find out.ĭue to the late appearance of smart watches, many standard specifications do not have a good definition of smart bracelets. It is also the fact that smart bracelets are very confused in terms of waterproof specifications. Sometimes you see statistics, such as 5 ATM or IP68 on the Parameter Description, but still confused about this. ![]()
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