NAVY MIL-V-6753 A (2)-1958 VOLTMETERS 0-150 VOLT 330 TO 1200 CYCLE ALTERNATING CURRENT《交流电流330－1200周期 0-150V电压表》.pdf

1、MIL-V-6753A AMENDMENT 2 24 NOVEMBER 1958 SUPERSEDING AMENDMENT 1 26 SEPTEMBER 1957 MILITARY SPECIFICATION VOLTMETERS, 0-150 VOLT, 330 TO 1200 CYCLE, ALTERNATING CURRENT This amendment forms a paw5 of Militaru Specification MZL-V-G753A, 23 Mawh 1956, and has been apprc-ved by the Department of Defens

2、e and is man- datorlj fw use by the Depaytments of the Army, the Navy, and the Ah Force. Page 1, title. In the title and wherever else referenced delete “330 to 1200” and substi- tute “300 to 1200 and 350 to 450”. Page 1, paragraph 1.1. Delete and substi- “1.1 Scope. This specification covers two 1.

3、2 Classification. The voltmeters shall tute : types of O-150V moving iron voltmeters. be classified as follows: MS24332-1 300-1200 cycles MS24332-2 350-450 cycles”. Page 2, paragraph 3.3.4. Delete the last sentence and substitute “The case shall be fabricated from metal or of a suitable ther- mosett

4、ing-plastic molding material.” Page 3, figure 1. In the dial poiition of the figure add a reference line at the “O” gradu- ation and delete one of the reference lines between “60” and 90”. .- a? Page 4, paragraph 3.5.2.3. Delete and sub- stitute : “3.5.2.3 Frequency influence. The read- ings shall n

5、ot vary more than one percent of full scale value at frequencies of 300 to 1200 cycles for MS24332-1 meters and 350 to 450 cycles for MS24332-2 meters, from &e read- ings observed at 400 cycles.” Page 5, paragraph 3.12, line 2. Delete “1.5” and substitute “1.2”. Page 9, paragraw 4.6.3, line 3. Add t

6、he following “shall be performed on samples in accordlance with the following tabulation”. Custodians: Army-Signal Corps Navy-Bureau of Aeronautics Air Force-AF Other Interest: Army-TO Navy-MC Preparing Activity Air Force $T U. S. GOVERNMENT PRINTING OFFICE: 481945-1959-(783 1-1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-