The humidity resistance test seeks to evaluate the impact of prolonged heat and humidity exposure to wire/cable insulation. This accelerated environmental test is meant to simulate the environmental conditions in Severe Wind and Moisture Prone (SWAMP) areas on aircraft to analyze the possible detrimental effects. A sample is considered to have failed if there has been significant degradation of insulation electrical properties (insulation resistance, dielectric strength, etc.); the particular method for determining pass/fail varies from test specification to specification.
At the end of this test, Lectromec delivers a report on the test conditions, post-humidity exposure test results, and any other observations.
Parameters that can be changed for this test include but are not limited to:
- Mechanical stresses
- Voltage on the specimen
- Post-test evaluation method