U.S. Department of Defense MIL-STD-810D — vdj6225.tmp (EN)

I \ 1 Downloaded from https://www.everyspec.com MIL-STD-810D 19 July 1983 a. As near ,the center of the ‘teatchamber as practical and so that“the surface of the item is not closer than O .3m’(1”ft) ~0 anY wall or O.76rn(30 in.) to the,radiation source when the source is adjusted to the cl&est position it will assume during the test”.: ., b. Oriented, within realistic limits, to expose its most vulnerable parts to the solar radiation, unless a prescribed orientation sequence is to followed. ~ c. Separated from other items that are being teated simultaneous y, to ! insure that there IS no mutual ehading or blocking of airflow. .. Step 2.

Conduct a visual examination of the test item with sPeCial attention to stress areas, such as corners of molded.casea:. .,., Step 3. ,6. Document the results. ,, I Step 4. Prepare the.test item in accordance with General Requirementsj b.7.2~ and required test item configuration (see I-3.2c), with the temperature sensors necessary to determine test item response. Step 5. Conduct an operational.checkout in accordance,with the approved test plan’. ,. Step 6. Record tiestiltsfor complfanoe with,Gen”eralRequirements, 4.5.6. Step 7. If the test item operates satisfactorily, place it in its test o configuration (if other than operational). If not, resolve the problem and restart at step 1.

Position the test item in accordance with the following and proceed to the first test as specified in the test plan. a. As near the center of the test chanber as Practical., (See 11-1.1c and d.) b. Oriented, within realistic limite, to expose its most vulnerable parte 1 to the solar radiation, unless a prescribed orientation sequence is to be followed. c. Separated from ie no mutual ehading or other items that are being tested to insure that there blocking of alrflOW. I II-3 ~. The following test procedures, alone provide the bases for evaluating the perfo,rmanc.e of the radiation environment. or in combination, test item in a solar * I .. 11-3.1 Procedme I - CVQ.UOR for kaLUS@a ... Step 1.

Raiae the chamber air temperature to the 0000-hour temperature of table 505.2-I. M3THOD 505.2 19 July 1983 505.2-14