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Ingress Protection (IP Code) Testing – IP03: Spray Water Protection

IP03 Water Spray ingress protection testing

IP03 testing is designed to measure a product’s defense against water spray and large object impacts. This kind of testing is especially important for products used outdoors or in wet conditions, where they are likely to face spray exposure. It ensures that products can maintain their integrity and functionality in the face of such environmental challenges.

As a certified IP Code testing laboratory, we realize the importance of – testing. Meeting ingress protection compliance requirements can be difficult. We understand the challenges and guide companies through the process. 

Keystone offers immediate emergency scheduling. Our proven process helps avoid product launch delays. Additionally, our engineers take a consultative approach throughout the entire test program.

Request a quote to learn why we are one of the fastest growing compliance test labs in the country. Have a question about ? Contact us or call (724) 657-9940 and we will determine the best course of action.

Summary of IP 03 Ingress Protection Testing

IP03 testing falls under the umbrella of the International Protection Marking code system, established by the International Electrotechnical Commission (IEC). The IP rating system is a globally recognized standard that specifies the degrees of protection provided by enclosures of electrical equipment against the intrusion of foreign bodies and moisture. The IP03 rating specifically addresses the protection against the entry of large objects and the ingress of water in the form of a spray.

Understanding IP03 Testing

The IP03 rating comprises two critical aspects:

Large Object Protection (First Digit – ‘0’)

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

Spray Water Protection (Second Digit – ‘3’)

This test checks the enclosure’s effectiveness against water sprayed at any angle up to 60 degrees from the vertical.

IP03 Laboratory Testing Procedures

IP03 testing involves a detailed and rigorous process:

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 Spray Water Protection: Water is sprayed at the enclosure from a nozzle at an angle up to 60 degrees from the vertical. The test simulates a scenario where the product is exposed to a water flow rate of 10 liters per minute for at least 5 minutes.

Importance of IP03 Testing

Durability in Diverse Environments

IP03 testing ensures that products are durable and reliable in environments where they are exposed to water sprays and large objects.

Safety Assurance

Products that pass IP03 testing are safe to use in conditions where water spray and large object impacts are a concern, reducing the risk of accidents and malfunctions.

Consumer Confidence

An IP03 rating can enhance consumer trust, as it indicates a product’s resilience and quality.

Compliance with Standards

Adhering to IP03 standards is crucial for manufacturers to meet regulatory requirements and maintain market competitiveness.

Industry Applications

IP03 testing is particularly relevant in several industries:

Outdoor Electrical Equipment: For devices that are used in outdoor settings where they may be subjected to rain and object impacts.

Automotive and Marine Electronics: In environments where equipment is regularly exposed to splashing water and potential impact from large objects.

Industrial Machinery: For machinery used in conditions prone to water spray and interaction with large objects.

Expert IP 03 Ingress Protection (IP Code) Testing Laboratory

IP03 testing is a critical evaluation for products that operate in environments prone to water spray and large object impacts. It not only ensures the physical durability of these products but also guarantees safety and functionality under challenging conditions.

In addition to IP03 testing, Keystone has a full scope of testing equipment to provide all of the IP Code tests from IP10 to IP69K. Our team strives to give our customers more time and energy on product development instead of testing. 

Ready to get started? We are. Contact us to see why so many companies work with us to achieve their environmental standard testing needs.


For similar tests involving IPX3 tests, please visit:

Ingress Protection (IP Code) Testing – IP13: Large Object & Spray Water Protection
Ingress Protection (IP Code) Testing – IP23: Finger-Sized Object & Spray Water Protection
Ingress Protection (IP Code) Testing – IP33: Tool-Sized Object & Spray Water Protection
Ingress Protection (IP Code) Testing – IP43: Wire & Spray Water Protection
Ingress Protection (IP Code) Testing – IP53: Limited Dust Ingress & Spray Water Protection
Ingress Protection (IP Code) Testing – IP63: Dust-Tight & Spray Water Protection