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Ingress Protection (IP Code) Testing – IP08: Extended Immersion Protection

The significance of IP08 testing is its focus on a product’s ability to endure extended periods of immersion in water, in addition to protecting against large objects. This test is particularly important for products that are expected to operate reliably under prolonged exposure to water, verifying their endurance and reliability.

Meeting ingress protection compliance requirements can be difficult. We understand the challenges and guide companies through the process.  Our engineers take a consultative approach so customers can focus more on R&D and the marketing of their product. Keystone provides the peace of mind that all of your needs will be met under one roof.

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Summary of IP 08 Ingress Protection Testing

IP08 testing is an integral component of the International Protection (IP) Marking system as defined by the International Electrotechnical Commission (IEC). The IP code is a widely recognized standard that determines the degree of protection provided by enclosures of electrical equipment against various external factors, including solid objects and liquids.

The IP08 rating specifically measures the enclosure’s ability to withstand extended immersion in water and resist the entry of large solid objects.

Understanding IP08 Testing

The IP08 rating encompasses two critical elements:

Large Object Protection (First Digit – ‘0’)

This test states that there is no protection provided against solid objects.

Extended Immersion Protection (Second Digit – ‘8’)

This test determines the product’s ability to withstand prolonged immersion in water under conditions specified by the manufacturer, which typically exceed those of IP07.

IP08 Laboratory Testing Procedures

The methodology for IP08 testing is detailed and rigorous:

Test for Large Object Protection: There is no testing procedure associated with the first digit ‘0’ in an IP rating. This is because it indicates that the product offers no protection against solid objects.

Test for Extended Immersion Protection: The product is submerged in water at a depth and for a duration specified by the manufacturer, which is generally more stringent than the requirements for IP07. The test ensures no harmful amount of water penetrates the enclosure during this extended immersion period.

Importance of IP08 Testing

Enhanced Durability in Water-Intensive Environments

IP08 testing assures that products can withstand extended periods submerged in water, crucial for certain marine, outdoor, and industrial applications.

Safety and Reliability

Products passing the IP08 test are recognized for their superior safety and reliability in prolonged water exposure situations.

Consumer Confidence and Compliance

An IP08 rating bolsters consumer trust and demonstrates compliance with international standards for water immersion protection.

Applicability in Specialized Industries

IP08 testing is vital for products designed for environments where prolonged water immersion is a norm, such as underwater equipment and certain marine applications.

Industry Applications

IP08 testing is critical for:

Underwater Equipment: Including devices used in deep-sea exploration, diving gear, and underwater cameras.

Marine Electronics: For electronic equipment used on boats and ships where prolonged immersion is possible.

Outdoor and Industrial Applications: Where equipment might be subjected to extended periods of submersion due to environmental conditions or accidents.

Expert IP 08 Ingress Protection (IP Code) Testing Laboratory

IP08 testing represents a crucial evaluation for products designed for prolonged immersion in water, ensuring they are capable of enduring such conditions without compromising functionality. As product design and environmental challenges evolve, the standards and methods for IP08 testing must also adapt, ensuring that they remain relevant and effective in assessing the resilience of modern products.

Keystone has a full lab of test equipment which permits us to provide short lead times on scheduling. Our team strives to give our customers more time and energy on product development instead of testing. In addition to IP08 immersion testing, Keystone has a full scope of testing equipment to provide all of the IP Code tests from IP10 to IP69K.

Have a question about IP08 Immersion testing? Contact us or call (724) 657-9940 and we will determine the best course of action.


For similar IPX8 tests, please visit:

Ingress Protection (IP Code) Testing – IP18: Large Object & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP28: Finger-Sized Object & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP38: Tool-Sized Object & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP48: Wire & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP58: Limited Dust Ingress & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP68: Dust-Tight & Extended Immersion Protection