MIL-STD-810 Immersion Compliance Testing
Immersion testing determines the ability of equipment to withstand being submerged in water or other liquids. As a MIL-STD-810 certified lab, we realize the importance of immersion compliance testing. Meeting the MIL-STD-810 requirements can be difficult. We understand the challenges and guide companies through the process.
Keystone takes a consultative approach throughout the entire test program. When products do not meet specified immersion lab requirements, we assist with finding solutions. We are in constant communication throughout the entire test process. Lastly, Keystone Compliance creates an accurate test plan to eliminate expensive over-testing.
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Summary of Military 810 Immersion Testing
Immersion testing, per MIL-STD 202 Method 104, is performed to determine the effectiveness of the seal of component parts. The immersion of equipment into liquid at widely different temperatures is subjected to thermal and mechanical stresses which will readily detect a defective terminal assembly, or a partially closed seam or molded enclosure.
Defects of these types can result from faulty construction or mechanical damage. Defects are produced during physical or environmental conditions.
The water immersion test is generally performed immediately following such tests. Immersion testing tends to aggravate any incipient defects in seals, seams, and bushings that might otherwise escape notice.
This immersion test is essentially a laboratory test condition. The procedure is intended only as a measurement of the effectiveness of the seal following this test. The choice of fresh or salt water as a test liquid is dependent on the nature of the component part under test.
When electrical measurements are made after water immersion test cycling to obtain evidence of leakage through seals, the use of a salt solution instead of fresh water will facilitate the detection of moisture penetration. This test provides a simple and ready means of detection of the migration of liquids.
Effects can include:
- lowered insulation resistance
- corrosion of internal parts
- appearance of salt crystals
The salt water immersion test described is not intended as a thermal shock or corrosion test. Although, it may incidentally reveal inadequacies in these respects.
Regulatory Compliance Immersion Testing Procedures
Procedure I primarily addresses leakage during immersion of encased material. On the other hand, procedure II focuses on vehicles traversing a body of water or material secured to such a vehicle.
Appropriate climatic conditions are identified for the geographic areas in which the material will be operated and stored. Additionally, the temperature differential between the test item and the water is known to affect the outcome of an immersion test. The test
Keystone’s Immersion Test Lab Equipment and Capabilities
Keystone equipment is capable of simulating depths beyond 100 feet. One of the immersion test tanks measures 16 feet tall and has a radius of three feet. We also operate various pressure vessels and associated support equipment. With multiple pressure vessels available, Keystone Compliance is able to offer immersion testing of various-sized test articles.
Expert Immersion Regulatory Lab Testing
Immersion testing is just one of the climatics testing services we offer and our lab is fully equipped with the necessary equipment. Keystone’s full lab of test equipment permits us to provide short lead times on scheduling. Additionally, our team strives to give our customers more time and energy on product development instead of testing.
Contact us to determine how we can help you address the seal of your enclosure by relying on our water immersion test expertise.
Immersion Test Specifications