Sony opened this year by launching its Beauty and Beast Sony xperia Z with water and dust resisting powers. Xperia Z was not the first phone to equip the water and dust resistance feature but it brought a new trend of resistivity for phones. The Samsung's not so beautiful beast Samsung Galaxy S4's successor Samsung Galaxy S4 Active is now ready to compete with the Sony Xperia Z.
Sony Xperia Z and Samsung Galaxy S4 Active have IP57 and IP67 ratings respectively. But what does it mean?
IP - Ingress Protection, or International Protection, which is a rating system that defines how well an enclosure protects its internal electric equipment, such as the internal hardware of a smartphone, against environmental factors such as dust and rain.
An IP rating is associated with 2 digits - The first digit refers to protection against the Solid objects like fingers, tools, wires, small wires, and dust. The second digit refers to protection against water intrusion. The tables below gives detailed explanation of each number.
Sony Xperia Z and Samsung Galaxy S4 Active have IP57 and IP67 ratings respectively. But what does it mean?
IP - Ingress Protection, or International Protection, which is a rating system that defines how well an enclosure protects its internal electric equipment, such as the internal hardware of a smartphone, against environmental factors such as dust and rain.
An IP rating is associated with 2 digits - The first digit refers to protection against the Solid objects like fingers, tools, wires, small wires, and dust. The second digit refers to protection against water intrusion. The tables below gives detailed explanation of each number.
The first digit
| Rating | Protection |
| 0 | No special protection |
| 1 | Protection against solid objects greater than 50mm in diameter, such as a hand |
| 2 | Protection against solid objects greater than 12.5mm in diameter, such as fingers |
| 3 | Protection against solid objects greater than 2.5mm in diameter, such as screwdrivers and other tools |
| 4 | Protection against solid objects greater than 1mm in diameter, such as wires |
| 5 | Limited protection against dust, that is, no harmful deposit |
| 6 | Complete protection of dust |
ALSO READ : 11 AWESOME ACCESSORIES OF SAMSUNG GALAXY S4
The second digit
| Rating | Protection |
| 0 | No protection |
| 1 | Protection against vertically falling drops and condensation |
| 2 | Protection against direct sprays of water, up to 15 degrees from vertical |
| 3 | Protection against direct sprays of water, up to 60 degrees from vertical |
| 4 | Protection against direct sprays of water from all directions. Limited ingress permitted |
| 5 | Protection against low-pressure jets of water from all directions. Limited ingress permitted |
| 6 | Protection against strong jets of water from all directions. Limited ingress permitted |
| 7 | Protection against temporary immersion between 15cm and 1m for 30 minutes |
| 8 | Protection against long periods of immersion over 1m and under pressure |
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