Downloaded from https://www.everyspec.com MIL-STD-81OC 10 March 1975 American Geophysical Union $,The Relation of Raindrop Size to Intensity” - Laws and Parsons, Transac- tions of the American Geophysical Union, Part II, paragraphs 452-459, 1943. (Copies of the above publication may be obtained from the American Geophysical Union, 2100 PennsylvaniaAve., N.W., Suite 435, Washington, D.C. 20037.) American National Standards Institute, Inc.
S1.1 Acoustical Terminology (IncludingMechanical Shock and (1960 issue) Vibration) S1.6 Preferred Frequencies for Acoustical Measurements Z24.10 Octave-Band Filter Set for the Analysis of Noise and Other Sounds (Applicationfor copies should be addressed to the American National Standards Institute, Incorporated; 1430 Broadway; New York, New York 100IB.) U.S. Committee on Extension to the Standard Atmosphere U.S. Standard Atmosphere, Supplement, 1966. (Copies of the above publication may be obtained from the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) 3. GENERAL REQUIREMENTS 3.1 Test conditions.
Unless otherwise specified herein or in the equip- ment specification,measurements and tests shall be made at standard ambient conditions. Standard ambient conditions are: a. Temperature * 10”C (73° f IB”F) Relative humidity 50 percent f 30 percent Atmospheric pressure 725 +50 mm..Hg. (28.5 +2.0 in. Hg.) -75 -3.0 W%en these conditions must be closely controlled, the following shall be maintained: b. Temperature 23° f 1.4° c (73” f 2.5° F)’ Relative,humidity 50 percent * 5 percent Atmospheric pressure 725 +50 mm. Hg. (28.5 +2.0 in. Hg.) -75 -3.0 3