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    NAVY MIL-V-85603-1989 VOLTMETER DC AIRCRAFT DIGITAL DISPLAY GENERAL SPECIFICATION FOR《带数字显示器航空器直流电伏特表的一般技术要求》.pdf

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    NAVY MIL-V-85603-1989 VOLTMETER DC AIRCRAFT DIGITAL DISPLAY GENERAL SPECIFICATION FOR《带数字显示器航空器直流电伏特表的一般技术要求》.pdf

    1、I E i MIL-V-5603 66 9797706 0345585 5 U (-! , 5 75 10 AUGUST 1989. MILITARY SPECIFICATION VOLTMETER, DC, AIRCRAFT, DIGITAL DISPLAY GENERAL SPECIFICATION FOR This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments an

    2、d Agencies of the Department of Defense. 1.1 Scope. This specification establishes the requirements for the design, performance, manufacture, and acceptance of voltmeters for indicating the available capacity of storage batteries in aircraft and providing a warning signal when the available capacity

    3、 becomes dangerously low. 1.2 Military part number. The military part number of the voltmeter will be designated in the specification sheet. 2. APPLICABLE DOCUMENTS. 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specifica

    4、tion to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicltation. SPECIFICATIONS Beneficial comments (recomme

    5、ndations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD), Code 53, Lakehurst, New Jersey 08733-5100, by using the self-addr

    6、essed Standardization Document Improvement Proposal JDD Form 1426) aDDearinP at the end of thisdo AMSC N/A FSC 6625 Distribution Statement A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILI

    7、TARY MIL-P- 116 MIL- P - 7 7 8 8 MIL-C-14806 MIL- P - 15 O 24 MIL- L - 2 5 4 6 7 MIL- C- 38999 MIL - 1 - 4 5 2 O 8 MIL-L-85762 STANDNZD S FEDERAL FED-STD-595 MILITARY MIL-STD-130 MIL- STD-454 MIL- STD-461 MIL-STD-462 MIL- STD-810 ML-V-5603-bb 9q9Ob L45586 7 MIL-V-85603(AS) Preservation, Methods of P

    8、anels, Information, Integrally Illuminated Coating, Reflection Reducing, for Instrument Cover Glasses and Lighting Wedges Plates, Tags and Bands for Identification of Equipment Lighting, Integral, Red, Aircraft Instrument, General Specification for Connector, Electrical Circular, Miniature, High Den

    9、sity Quick Disconnect (Bayonet, Threaded and Breech Coupling), Environmental Resistant, Removable Crimp and Hermetic Solder Contacts, General Specification for Inspection System Requirements Lighting, Aircraft, Interior, AN/AVS-6 Aviators Night Vision Imaging System (ANVIS) Compatible Colors Identif

    10、ication Marking of U.S. Military Property Standard General Requirements for Electronic Equipment Electromagnetic Emission and Susceptibility Requirements for the Control of Electromagnetic Interference Electromagnetic Interference Characteristics, Measurement of Environmental Test Methods and Engine

    11、ering Guidelines MIL-STD-2073-1A DOD Material Procedures for Development and Application of Packaging Requirements MS 3 3 6 39 Cases, Instrument, Clamp-Mounted, Aircraft (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Naval

    12、Publications and Forms Center (Atn: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.2 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the 2 Provided by IHSNot for ResaleNo reproduction or network

    13、ing permitted without license from IHS-,-,-HIL-V-85603 66 W 7797906 OLL15587 7 M issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the doc

    14、uments cited in the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) a ASTM C1036-85 Standard Specification for Flat Glass (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Non-

    15、Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of

    16、this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS. 3.1 Specification sheet. The individual it

    17、em requirements shall be as specified herein and in accordance with the applicable specification sheet. the event of conflicts between the requirements of this specification and the specification sheet, the latter shall govern. (If a requirement specified herein is not required for a specific voltme

    18、ter, it shall be so indicated in the specification sheet for that voltmeter (e.g., Fungus - N/A). In 3.2 First article. When specified, a sample(s) shall be subjected to the first article inspection in accordance with 4.4. 3.3 Materials. Materials used in the manufacture of voltmeters shall be of hi

    19、gh quality and suitable for the intended purpose. contractors specifications may be used provided the specifications contain provisions for adequate testing and provided the life, performance, and reliability specified herein are achieved. The use of the contractors specifications does not constitut

    20、e waiver of Government inspection. Materials conforming to 3.3.1 Metals, 3.3.1.1 Corrosion and fungus resistance. Materials shall be of a corrosion and fungus resisting type or suitably processed to withstand the environmental test requirements specified herein and in MIL-STD-810. 3.3.1.2 Magnesium.

    21、 Neither magnesium nor magnesium alloy parts shall be used. 3.3.2 Nonmetallic materials, Nonmetallic materials shall be flame resistant, shall not support combustion, and shall be nontoxic when exposed to flame or when used unde;- any operating or environmental condition specified herein. 3 Provided

    22、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4 Design and construction. The voltmeter shall be a single package and shall be designed and constructed to conform to the requirements specified herein and the applicable specification sheet and shall be cap

    23、able of demonstrating conformance to all the tests specified herein and in the specification sheet. 3.4.1 Power. The voltmeter shall be powered entirely from the battery bus an power consumption shall be not greater than 10 watts. 3.4.2 Digital readouts, The voltmeter shall contain segmented digital

    24、 readouts to display the aircraft battery voltage to a tenth of a volt and a battery low voltage warning, and the voltmeter digital display configuration shall be in accordance with the specification sheet. The characters shall conform to the requirements of the specification sheet and shall be whit

    25、e, color number 37875 of FED-STD-595. 3.4.3 Connector, The electrical connector shall be specified in the specification sheet and shall meet the requirements as Specified in MIL-C-38999, 3.4.4 Case, The voltmeter case shall be environmental resistant and in accordance with MS33639 and the specificat

    26、ion sheet. of the case visible from the cockpit side of the instrument panel shall be finished in lusterless black, color number 37038 of FED-STD-595. The remainder of the case may be finished in black and shall be protected to withstand the environmental test conditions specified herein. The bezel

    27、and that part 3.4.5 Caution advisory switch. The voltmeter shall contain a switch to activate a pair of lamps, 28 volts at 0.04 ampere each, on the cockpit advisory panel. at or below 18.0 volts for 10 seconds 5 1 second. The switch shall reopen when the battery voltage is raised to 18.5 volts for 1

    28、0 seconds 1 second. The switch closure shall not occur until the battery voltage has been 3.4.6 Digital low voltage warning:. The voltmeter shall contain a low voltage warning display and be so designed that the digital low voltage display will appear when the aircraft battery or batteries exhibit a

    29、n output voltage level Specified by the specification sheet. The digital low voltage display shall exhibit the following duty cycle: second for 1 an additional 10 5 1 minute($). continue to repeat: the duty cycle until the low voltage condition no longer exists or the battery bus voltage degrades to

    30、 the point where the voltmeter becomes inoperable. additional requirements specified in the specification sheet. blink at a rate of 4 2 1 time(s) per 0.10 minute and remain activated in a steady state condition for The digital low voltage warning display shall The low voltage warning display shall c

    31、onform to any 3.4.7 Overload protection. The voltmeter shall be overload protected so that a 60 VDC input voltage applied to the voltmeter for an indefinite period of time shall not: result in damage to the voltmeter or degradation of performance. 3.4.8 Integral lighting. The voltmeter shall be inte

    32、grally lighted red in accordance with MIL-L-25467, integrally lighted Instrument and Panel Lighting (IPL) white in accordance with MIL-P-7788, the color shall be in accordance with MIL-L-25467, MIL-P-7788, or Night Vision Imaging System compatible in accordance with MIL-L-85762. The lighting circuit

    33、ry and brightness shall be in 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-V-5603 66 a 7777906 Olt11557 2 accordance with the requirements of MIL-L-25467. lamp voltage shall be as specified in the specification sheet (see 4.10). The integra

    34、l lighting and 3.4.9 Dial. The voltmeter dial shall conform to the requirements of the specification sheet and as specified herein. 3.4.10 Cover glass. The cover glass shall be in accordance with ASTM 1036-85 and MIL-C-14806. 3.4.10.1 Cover glass mounting. The distance between the front surface of t

    35、he case (mounting flange) and the outside surface of the cover glass and the distance between the dial plate and the inside surface of the cover glass shall be the minimum practicable. All visible marking shall be within 7.62 millimeters distance from the inner most glass surface, preferably the sma

    36、llest practical distance. 3.4.11 Internal heater. The voltmeter shall be so designed that if temperature sensor controlled internal heaters are required to meet the performance requirements of the specification sheet and as specified herein, the internal heaters shall be suitable over the temperatur

    37、e range of -54C to +71“C when the temperature remains constant or varies at a rate of 1C per second. 3.4.12 Maintainability and repairability. The voltmeter shall require no maintenance or servicing to meet the requirements of this specification. The voltmeter shall be constructed to hinder disassem

    38、bly or access to any internal components and shall not contain any internal provisions for repair or maintenance. 3.5 Performance. 3.5.1 Electrical performance. The voltmeter shall meet the following performance requirements when connected in accordance with the specification sheet (see 4.8.1). a. W

    39、henever the potential of the source is between 15.0 and 35.0 volts, the voltmeter shall have an accuracy of + 0.10 volt over the temperature range of +71“C to -32“C, at temperaturesbetween -37C to -54C the voltmeter shall have an accuracy of 2 0.20 volt. b. voltage warning threshold voltage as speci

    40、fied in the specification sheet, the digital low voltage warning display shall not be visible. Whenever the potential of the source is greater than the low c. Whenever the potential of the source is less than or equal to the low voltage warning threshold voltage as specified in the specification she

    41、et, the digital low voltage warning display shall be visible and remain visible until the low voltage condition no longer exists or the battery bus voltage degrades to the point that the voltmeter becomes inoperable. d. When the potential of the source is 18.0 volts or less for 10 seconds 2 1 second

    42、, the caution advisory switch closure shall occur. When the potential is increased to 18.5 volts or more for 10 seconds 5 1 second, the caution advisory switch shall open. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e. voltage shall not result

    43、in damage to the voltmeter or degradation of the voltmeter accuracy. conclusion of the environmental phase of the test program only except as may be required by the qualifying activity. The voltmeter shall be overload protected so that 60 VDC input This test shall be performed prior to and at the 3.

    44、5.2 Visibility of displays. The digital voltmeter display and the digital low voltage warning display, when activated, shall be readily discernible when viewed with direct sunlight, 10,000 foot-candles, as measured at the displays incident on the dial. The digital low voltage warning display, when i

    45、nactive, shall not be discernible under these same conditions (see 4.8.2). 3.5.3 Visibility of dial. The digital displays and all other specified markings on the dial shall be visible from any point within the frustum of a cone whose side makes an angle of 30 degrees with a perpendicular to the dial

    46、 and whose small diameter is the aperture of the case (see 4.8.3). 3.5.4 Warm-up time. The warm-up time over the temperature range of -32*C to +71“C shall not exceed 5 seconds. temperature range of -37*C to -54C shall not exceed 30 seconds (see 4.8.4). The warm-up time over the 3.5.5 Life test The v

    47、oltmeter shall withstand the 250-cycle life test (see 4.8.5). 3.6 Environmental, The voltmeter, when subjected to the following environmental conditions, shall show none of the following. a. Dimensional distortion beyond Specified limits or cracking of eases, covers, or mounting brackets, b. Breakdo

    48、wn of insulation, loosening or stripping of metal plating or protective coatings from any component part, or corrosion of metal parts, c. Mechanical failure of any part, d. Fungus growth, e. Deterioration of voltmeter identification markings, E. Degradation of electrical performance beyond specified

    49、 limits. 3.6.1 Acceleration. The voltmeter shall be able to withstand the acceleration forces of Tables 513.3-1 and 513.3-11 of MIL-STD-810 as applicable to carrier based aircraft, or as specified by the specification sheet (see 4.8,6), 3.6.2 Temperature (see 4.8.7). a, Operating. The voltmeter shall be capable of operating continuously over the range of -54C to +71*C when the temperature remains constant or varies at a rate of 1C per second. b. Nonoperating. Th


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