What is the difference between IP67 and IP68 in terms of protection levels

In today’s tech-savvy world, understanding the specifications of electronic devices can be a game-changer, especially when it comes to their durability and resilience. If you’ve ever wondered about the difference between IP67 and IP68 ratings, you’re not alone. These ingress protection (IP) ratings are crucial for determining how well a device can withstand dust and water, which can make a significant difference in its longevity and functionality.

What Are IP Ratings?

Before diving into the specifics of IP67 and IP68, let’s clarify what IP ratings mean. The IP code, or Ingress Protection code, is a standard used to classify the degree of protection provided by enclosures of electrical equipment. It indicates how well a device is protected against dust, water, and other foreign objects.

The IP rating is composed of two digits:

The first digit represents protection against solid particles like dust.
The second digit indicates protection against liquids such as water.
IP67: Comprehensive Protection
IP67 stands for:

6: Total protection against dust ingress. No dust can enter the device, ensuring that it remains fully operational in dusty environments.
7: Protection against temporary immersion in water. The device can withstand being submerged in up to 1 meter (approximately 3.3 feet) of water for up to 30 minutes.
Real-World Application: Devices with an IP67 rating are ideal for everyday use where accidental exposure to water or dust is a possibility. For example, many smartphones and smartwatches come with this rating, allowing them to survive splashes, spills, and brief submersions.

IP68: Superior Protection
IP68 signifies:

6: The same level of dust protection as IP67, with no dust ingress.
8: Protection against continuous immersion in water. The device can be submerged in water beyond 1 meter, often up to 3 meters (about 9.8 feet) or more, depending on the manufacturer’s specifications, for a specified duration.
Real-World Application: IP68-rated devices are designed for more extreme conditions. They are often used in specialized environments, such as underwater cameras, high-end smartwatches, and devices used in industrial applications. For instance, diving equipment or rugged outdoor gadgets benefit from this higher level of water resistance.

Key Differences

Water Resistance Depth:

IP67: Effective for brief, shallow immersions (up to 1 meter for 30 minutes).
IP68: Designed for prolonged submersion (typically deeper than 1 meter, with specifics provided by the manufacturer).
Use Case:

IP67: Suitable for general use where occasional water exposure is possible.
IP68: Ideal for environments where the device might be continuously exposed to water, such as underwater use or in heavy rain.

Practical Tips
For Everyday Devices: If you’re looking for a device that can handle everyday spills and splashes, an IP67 rating is usually sufficient.
For Extreme Conditions: If your device will be subjected to prolonged water exposure or you need it to withstand more challenging conditions, opt for IP68.

Choosing between IP67 and IP68 depends on your specific needs and how you plan to use your device. Understanding these ratings helps ensure you select equipment that can handle your environment without compromising performance. Whether you’re safeguarding a high-tech gadget or equipping industrial tools, knowing the level of protection can make a significant difference in maintaining functionality and durability.