1、i- MIL-T-58100 bb 9999406 OLt23067 q P rt MILITARY SPECIFICATION TRANSMITTER, PRESSURE, OIL, HELIC3PTER This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers the requirements for a voltage ratio type, oil pressure
2、transmitter, designed to operate within the vibration envelope peculiar to helicopters. 2 e APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATION
3、S Military MIL-T-5 809 7 MIL-1-58098 MIL-1-58099 Transmitters, Pressure, Aircraft, Voltage Ratio Type, General Speci- fication for Indicators, Aircraft, Pressure, Voltage Ratio Type, General Speci- fication for Indicator, Fressure, Type TB-1 STANDARDS Military MIL-STD-781 Reliability Tests Exoonenti
4、al Dis tribu tion MIL-STD-785 Requirements for Reliability Pro- gram (for Systems and Equipments) MIL-STD- 83 1 Test Xeports, Preparation of (Copies of documents required by suppliers may be obtained Eram the procuring activity or as directed by the contracting officer . ) FSC 6620 Provided by IHSNo
5、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-5BfOO 68 44947Clb 0423068 b i , MIL-T-58180 (AV) 3.1 Prep-duction. This specification-makes provisions gor preproductkm testing. ta this speeication except: for deletions or additions speci- fisd herein, If the tw
6、o specifications should conflict: this specification shall govern. The iaquirements of MIL-T-58094 apply 3.1*1 Ezreuctian sample. A prep33duelion sample is defined as n production line sample o the product which a manu- facturer will subsequentxy produce in fulfillment of the can- tract, ApprQVal of
7、 prepmduction sample shall be obtained from the procuring activity prior to production of contract items. 3 . 2 3.2.1 The transmitter shall bess designed that it will sense the differential of two pressures and convert the differ- ential pressure measurement into an electrical signal for use with in
8、dicators conforming to MIL-X-58098 and MLL-I-5809$l. es 3.3.2 LongevitK. The transmitter shall have an operating life Eipan (equilsrnent longevity as deined in MXL-CTD-981) of 3,000 hobtzfl. 3 . 4 P,rammae I 3.4.1 m. The transmitter shall sperate within the tolerances speciEied in Tables X and XI. 2
9、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-h MIL-T-58100 bb 97777Ob OL123069 i MIL-T-58100 (AV) 3.5 Weight. The weight of the transmitter shall not exceed 1.0 pound. 4. QUALITY ASSURANCE FRCVISICNS 4.1 . Responsibility for inspection. Unless ct
10、herwis-e specified in the contract or purchase order, the supplier is respcnsible for the perfornance of all requiremer.ts as specified herein. Except 2.s otherwise specified ir. the contract or Grser, the scpplier nay use his own or any other facilities suitable for the performance of the inspecti
11、on requirements specified herein, unless disapproved by the Govern- ment. The Governmnt reserves the right. to perform any of the inspections set forth in the specification where such inspec- t.ions are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 C1ssific
12、atic.n of tests o The inspection and testing of transmitters shall be as specified herein and in MIL-T-58097. 4.3 Preproduction testing. 4.3.1 Preproduction tests. The preproduction tests shall consist of all the tests specified here-in and in MIL-T-58097. 4.3.2 Test samples. The test samples shall
13、consist of ten transmitters representative of the production equiFment. Three of the samples shall be subjected to all the tests except reli- ability and the other seven samples shall be subjected to the reliability test only. The samples shall be identified with the manufacturers part number and su
14、ch other information as re- quired by the qualifying activity. report in accordance with MIL-STD-831. 4.3.3 Test report. The contractor shall prepare a test 4.4 Test methods. 4.4 e 1 Reliability. 4.4.1.1 Demonstration. Unless otherwise specified, seven transmitters shall be subjected to the reliabil
15、ity test speci- Efed in 4.4.1.2 which shall demonstrate an MTBF of 2,000 hours at a conidence level of 90 percent. The total test time, number of failures permitted, and accept, continue-test, reject criteria shall be in accordance with Figure 1. 3 Provided by IHSNot for ResaleNo reproduction or net
16、working permitted without license from IHS-,-,-TABLZ XI. Friction, Position, and Vihratsn Etrol: Room Tempexature Position Error at: 50 pai Pointer Oscillation 4 Y Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-58100 66 7777Ob 0423073 b t- MIL
17、 -T-58 1 OO(AV) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-J 4,4.1,2 Test=. The test equipment shall include orovisions Por vibration and temperature cycling at: the periodic intervals specified herein, During this test, inpt signal shall be a
18、p- plied to the transmitter at a rate of 2 to 3 cycles par ninute from O to 85 percent: of full scale and return, The teat shall begin when rated power is applied. AEter completion of 4 hours of operation with rated power onr which shall include at least 480 cycles of operation, Ehe power shall be t
19、urned off and shall remain off for a period of LO minutes. Fer at least 10 minutes out of every heur of 93 timel the transmitter shall be vibrateel in accordance with 2tIL-CTD-782, test level 2. The temperatum cycles shall be csnducte in the following sequence: 4 hours; at: 54C, temperature change t
20、o +165*! at: a minimum rata of 5OC per minute: 4 hours at +161iCr temperature change to -54OCi and 4 hours at -54OC. fn case of malfunction, the malunctien shal.1 be recorded and the tgst interrupted while repairs are made. tlpoa completion of each 250 hours of cyclingr the transmitter shall. be che
21、cked for scala error. The scala error reading shall not ex- ceed 150 percent of the coom temperature tolerance in Table I. No recalibration shall be performed on the units during this test. The test may be interrupted for weekend shutdown. The eontractor shall prepare a report in accordance with MIL
22、-STB-785 which shall contain test procedures, details of any malunet$sns, and corrective actions taken, 4,4,2 Longevity, At the completion of the reliability test, three transmitters shall continue to he testsd for a total ability test shall be applied to this test, The accept-reject criteria is not
23、: applicable of 3,000 hours each. The test time accumulated during the reli- M= 5, PREPARATION FOR BELJVERY 5.1 Preparation for delivery sikalb be in accordance with EIL-T-58099, All openings shall be plugged or sealed to prevent the entrance OE dirt and moisture. 6. NOTES 6.1 Intended use. The tran
24、smitter covered by this sgeci- fieation is intended for use in helicopter oil. pressure indicating systems with indicators conforming ta MIL-1-58099 (AV) e 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3. MIL-T-SBLOO 66 7977906 Oq23073 T . MIL-T-
25、58100 (AV) 6.2 Ordering data. Procurement document should specify the following: a. b. preproduction C. ducted d. Custodian: ARMY-AV Title, number, and date of this specification Information, if any, to be submitted with the samples When sampling plan B tests will not be con- Levels of packaging and packing required. ?reparing Activity ARMY-AV PR. NO. 6620-A006 U. s. GOVERNMEN? PWIM?IPIG OFFICE 1975.m3- 114/3826 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
