Downloaded from https://www.everyspec.com MIL-STD-810D 19 July 1983 c. The test chamber should be operated and its proper operation verified before the actual test is begun. II-2.2 ~. All items require a P’etest checkout at controlled ambient conditions (General Requirements, 4.4b) to provide baseline data. For procedure 1, this checkout should‘be conducted before step 1. Conduct the pretest checkout as follows: Step 1. Insert the test item into the test chamber.’ Step 2. configuration in Prepare the test item in ite required operational accordance with General Requirements;.4.5.2. Adjust the chamber to controlled ambient Requirements,’4.4b)‘and maintain,for 24 hours. Stev 3.
conditions (General Step U. Conduct a complete vieual examination of the test item. .! Step 5. Document the results. . Step 6. Conduct an operational checkout in accordance with the approved test plan. Step 7. Record results for compliance with General Requiremente, . 4.5.1. II-3 ~. The following test procedures provide the neceesary information concerning the test item in a warm-humid environment. Proceed to the first test procedure as specified in the test plan. II-3.1 re I - Natti Step 1. With the test item in the chamber in ite operational configuration, adjust the chamber conditions to those given in table 507.2-I for the time 0000 of the ep.ecifiedcycle. Step 2.
Perform a 24-hour cycle with the time-temperature-humidity values specified in the appropriate cycle or the approximated curves of figure 507.2-1. Step 3. Perform an’operational checkout of the test item at any convenient time in the 24-hour cycle during which test conditions are conetant and at maximum temperature and RH levels. Operational checks should be conducted at least once every five cyclee. Step ti. Repeat steps 2 and 3 for the number of cycles indicated in table 507.2-11 unless otherwise directed by the requirements documents. Step maintain for at Adjust the,chamber to controlled ambient least 24 hours. conditions and Step 6. Conduct a complete visual examination of the test item.
, Step 7. Document the results. 507.2-15 t@fHOD 507.2 19 July 1983