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    NAVY MIL-V-23151 B (4)-1990 VOLTMETER EXPANDED SCALE SWITCHBOARD TYPE (NAVAL SHIPBOARD USE)《扩大规模总机型的电压表(海军舰载使用)》.pdf

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    NAVY MIL-V-23151 B (4)-1990 VOLTMETER EXPANDED SCALE SWITCHBOARD TYPE (NAVAL SHIPBOARD USE)《扩大规模总机型的电压表(海军舰载使用)》.pdf

    1、MIL-V-23151 B ._ -. i INW-pOm a-. MIL-V-H151B(SHIPS) AMEND- 4 3 December 1990 SUPERSEDING. VOLTMETER, EXPANDED SCALE SWITCHBOARD TYPE (NAVAL SHIPBOARD USE) - - This amendment forms a part of MIL-V-23151B(SHIPS), dated 10 April 1967, and is approved for use within the Nava Sea Systems Command, Depart

    2、ment of the Navy, and is availabe for use by ab1 Departments and Agencies of the Department of Defense, “1.1 ScoDe. This specification covers high accuracy, shockproof switchboard mounted, expanded scale voltmeters. c 1.2 Classification. 115 Y Component Style Color (1.2.1.1) (1.2.1.2) scheme value o

    3、f current feature (1.2.1.3) (1.2.1.4) (1.2.1.5) (1.2.1.6)“ PAGE 2.-= 1.2.1.4: Add the following: . -. “Center-scale value Scale ranee 115 110-120 120 115 - 125 220 . 210-230 450 _ - - . .43(347q*I“ . 208. .198-218 “_ . 440 . 420-460. -S L. - . . - S - . .- a- . . _. . Ii. := AMSC N/A . -. FSC 6625 D

    4、ISTRIBUTION STATEMENT-4 Approved for public- release.: distribution is unlimited -. 1 of 3 . . i t. * .c Licensed by Information Handling ServicesMIL-V-23151B(SHIPS-; AMENDm- 4, . .% . PAGE 3 3.4.2.1, line 2: Delete “No. 11“ and substitute “No. 111 3.4.3: Delete and substitute: “3.4.3 ExDanded scale

    5、 circuit. The expanded scale circuit components shall be encapsulated in material which shall cover all components and shall be in contact with the interior of the meter barrel extension or other case or container of the circuit.“ PAGE 4 3.6: Delete “3.22“ and substitute “3.21“. PAGE 5 3.15: Delete

    6、and substitute: “3.15 Shock (high-imDact). When voltmeters are tested in accordance with 4.3.14 no screws, bearings, pivots, windows, or other parts shall become loosened, cracked, (except as specified herein), or unduly damaged. Minor cracking or distortion of pivots will be permissible only when c

    7、onformance to the post shock performance has been demonstrated. Cracking of glass windows will be permissible only when readability of the complete scale is retained and no fragment has become dislodged. The permanent change in indication based on calibration made after resetting the pointer to zero

    8、 shall not exceed the value specified (see table II).“ PAGE 8 4;3.3, line 3: Delete “45“ and substitute “25“. PAGE 10 5.1: Add “(see 5.3).“ PAGE 11 5.2.1.1 and 5.2.2: Add “(see 5.3).“ Add the following paragraphs: “5.3 Cushioning. filler. dunnaee. and wraDDinp materialg. 5.3.1 Level A Dreservation-D

    9、ackaninn and levels A and B Dacking. Use Of all types of loose-fill materials for packaging and packing applications such as cushioning, filler, or dunnage is prohibited for materials destined for shipboard installation/stowage, . -. Licensed by Information Handling Servicesf- 5.3.2 Level C nreserva

    10、tion-nackari nr and backing i- Wh cus?toning*- I . -. filler, and dunnage, al1 containers (unft, intermediate; and shipping2 shaXI bc“ marked or labelled with the following information: “CAUTION Contents cushioned with loose-fill material. Not to be taken aboard ship. . Remove and discard looscr-fil

    11、l materia. If required; recushion with cellulosic material, bod fiber, . f iberboarb,. or transparent flexible cellular material. * 5.3.3 Cushioning, filler, dunnage, and wrapping materials selectea, whenever available, shall exhibit improved performance for resistance to fire,“ NOTE: The margins of

    12、 this amendment are marked with asterisks to indicate where changes from the previous amendment were made This was &ne as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the require- ments of this document based on the entire content irrespective f the marginal notations and relationship to the last previous amendment. Preparing, activity: Navy - SH (Project 6625-NB24) I 3. Licensed by Information Handling Services


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