- a. Maintain the test chamber relative humidity (RH) at 30 percent or less to prevent caking of dust particles.
MIL-STD-810H
METHOD 510.7
- b. Record chamber temperature and humidity in accordance with Part One, paragraphs 5.2 and 5.18, and dust concentration at a sufficient rate (at least once every 5 minutes) to satisfy the post-test analysis (see Part One, paragraph 5.18).