1、 NIL-R-ZBBBL (2) bb 7777906 0236515 5 flIL-R-28881( AMENDMENT 2 EC) t 31 January 1986 UPtRSmING AMENDMENT 1 25 February 1985 MI L I TARY SPEC IF I CAT I ON RADIACMETER , IM-239/WDQ Th is amendment forms a part of Mi 1 itary Specification MIL-R-28881(EC), dated 26 March 1984, and is approved for use
2、by the Space and Naval Warfare Systems Comnand, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 2.1.1, line 2: Delete “the“ before “listed“. 2.1.1 , “SPEC IF ICATIONS“ , “MILITARY“ : 2.1.1, “STANDARDS“, “MILITARY“: Delete “MIL-STD
3、810 Environmental Test Methods And Engineering De lete “MIL-R -28760 Rad i acmeter , A ir Part ic 1 e Detector , IM-192/WDQH. Gu iUel ines“ and substitute “MIL-STD-810C Environmental Test Methods“. PAGE 2 3.2.1, 1 ine 2: Add “dimensional“ before “environment“. PAGE 3 * FIGURE 1: Delete and substitu
4、te the attached new FIGURE 1. PAGE 4 FIGURE 2: Delete “17.0“ and substitute “17.00 10.10“. FIGURE 2: Delete “2 3/32“ and substitute “23/32“. 3.3.1.1, line 3: 3.3.1.1, lines 3 and 4: Delete “end points beta“ and substitute “beta end point energies“. Delete “megaelectronvolts“ and substitute “million
5、electron-volt“. PAGE 5 FIGURE 3: Delete 17.00 k.031“ and substitute 17.00 10.10“. 3.3.1.5, after the last sentence, add: “The radiacmeter may start up with a preset alarm value of i x 10-:. 3.3.1.6: Delete the text and substitute: “The range of detection shall be linear such that the total system er
6、ror shall not exceed *lo percent from actual radioactivity from 2 x 1 x pCi/ml and *15 percent in the last range from 1 x to 1 x uCi/ml. Any reading within the five decades of rangeshall be capable of being read on the front console.“. to 3.3.1.8. lines 2 and 3: Delete shall be equal to or greater t
7、han“ and substitute “may be equal to“. . PAGE 6 3.3.1.9, line 5: Delete “such a“ and substitute “such as“. 3.3.2.3: Delete the text and substitute: “The radiacmeter shall fit the mounting holes as dimensioned in FIGURE 2. specified in MS16142.“. The air inlet and outlet ports shall use 7/8-14 UNF-28
8、 fittings as 3.3.4.2.1a. 1 ne 3: Delete “bave“ and substitute “have“. 1 OfX AblSC NIA . /THIS DOCUMENT CONTAINS LG- PAGES. FSC 6665 .y “Y 3-6-86/700 DISTRIBUTION STATEMENT A. Approved for pub1 ic release; distribut ion is un1 imited. - . -.- Provided by IHSNot for ResaleNo reproduction or networking
9、 permitted without license from IHS-,-,-MIL-R-28881( EC) AMENDMENT 2 PAGE 7 3.3.4.2. IC, 1 ine 2: 3.3.4.2.3b, line 4: After Vest jacks“ add “or connectors“. 3.3.5.2, lines 2 and 3: Delete “OC to 60C“ and substitute “5C to 50C“. 3.3.5.2, 1 ine 3: Delete “4.5.16.2“ and substitute “4.5.16.2.2“. Delete
10、air regulation and cut-off“ and substitute “paper feed“. PAGE 8 3.3.5.3.2, line 3: Delete “be designed to“. 3.3.5.3.2, third sentence: Delete and subst the steam pressurization transient specified in 3 3.3.5.3.2, last sentence: Delete. 3.4, line 1: Delete “3.4“ and substitute “3 3.4.1, line 2: Dele
11、te “3.4.1“ and substitut tute “The sealed sampling system sha 3.5.3.4.“. 4.1“. “3.4.1.1“. PAGE 9 3.4.7.6, second sentence: Delete. 1 contain . 3.4.7.6, line 3: Delete “may be“ and substitute “shall be“. 3.4.7.7, 1 ne 2: Add “radiacineters“ before “power supply“. PAGE 10 3.4.9d: Add “including front
12、panel“. 3.4.9.1, line 2: 3.4.9.1, line 4: Delete “positon“ and substitute “position“. 3.4.9.1, line 5: Delete “24 hours“ and substitute “8 hours“. 3.4.9.1, after the last.sentence, add: 3.4.9.3: Delete “is filtered through. “ and substitute “passes through the filter paper. I. “A minimum of 75 feet
13、of filter paper will be provi ded.“. multiplier tube and process and amplify each pulse so that the pulses can be counted by the microprocessor. panel.“ Add “The preamp1 if er assembly shall receive the electrical pulses from the photo- Discr imination against electrical noise pulses shall be provid
14、ed.“. 3.4.9.4, title: Delete and substitute “Input power and control assembly, including front - PAGE 11 3.4.9.8, line 3: elete “and volume“ and substitute “air volume“. PAGE 12 TABLE I, “Low tenperature“ and “High temperature“, Requirement paragraph: Delete 1t3.3.5.2“ and substitute “3.3.5.1. PAGE
15、13 4.4.1, line 2: TABLE II, “Weight“: TABLE II, “Safety“: Delete the period after “delivery“ and add I, except as specified under “Sarple size“ column in TABLE II.“. Delete entry in its entirety. Delete “3.4.7“ and substitute “3.4.7.1, 3.4.7.10“. 2 Provided by IHSNot for ResaleNo reproduction or net
16、working permitted without license from IHS-,-,- ._ . . . .- .- . . .- . - - - _-I - I MIL-R-2L (2) 66 7777706 OL365L 9 M i MIL-R-28881( EC) AMENDMENT 2 i TABLE II, “Cal ibrat ion“: Indent one space under “Performance“. TABLE II, “Pressure“: TABLE II: Delete “3.3.5.3“ and substitute “3.3.5.3.2“; dele
17、te “4.5.17“ and subst itute “4.5.17.1“. Change “Sample size“ from “2“ to “2 per contract“ for the following: Airborne and structureborne noise Steady-state voltage and frequency Power interrupt ion Power and poner factor TABLE II: Delete “EMIN and substitute “EMC“. 4.5: Delete “4.5.18.1“ and substit
18、ute “4.5.18“. 4.5.1, line 3: Delete “4.5.18.1“ and substitute “4.5.18“. 4.5.2, lines 1, 9, lO,.and 11: Delete “3-90 and Y-90“ and substitute “Sr-90-Y-90“. PAGE 14 4.5.3, line 9: &lete “pCi/cu crn“ and substitute “pCi/ml“. 4.5.8, line 5: 4.5.10, line 3: Delete “less that“ and substitute “less than“.
19、4.5.10, lines 4 and 6: Delete “check“ and substitute “test“. Delete “at 75 percent“ and substitute “at least 75 percent“. PAGE 15 4.5.16: Delete liand“ and subst itute “through“. PAGE 17 FIGURE 6, Upper operating temperature: FIGURE 6, Lower operating temperature: Delete dotted line to 60C and subst
20、itute dotted line Delete “OC“ and substitute “5C“. to 50C. PAGE 18 4.5.17.1: 4.5.17.3, line 1: Delete “100F“ and substitute “38C (100F)“. 4.5.17.3, 1 ne 2: 4.5.17.3, 1 ne 4: After “4.5.17.3“, add the fllowing new paragraph: “4.5.17.4 Relief valve test. 4.5.18: 4.6, line 2: Add “Pressure relief valve
21、 shall be blocked or kept from operating during this tes t. I Delete “235F“ and substitute “113C (235F)“. Delete “approximately 20 minutes“ and subst itute “20 to 30 minutes“. The radiacmeter shall be pressurized above 70 psig and the Delete and renumber “4.5.18.1“ to “4.5.18“. pressure re1.ief valv
22、e shall actuate between 70 psig and 80 psig.“. Delete “Test Plan XXC“ and substitute “Test Plan 30-5“. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-f flIL-R-2BL (2) 66 7777706 OL365L O N MIL-R-Z8881(EC) AMENDMENT 2 i PAGE 19 6.3, second 1 ne: De
23、lete “7-104.55 of the Defense Acquisition Regulations.“ and substitute 6.3, after the last sentence, add: .“The first article inspection will normally be required “52.209-3 of the Federal Acquisition Regulations.“. if the prospect ive contractor has no previous experience constructing the radiacmete
24、r.“. The margins of this amendment are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a conven.ience only and the Government assumes no liability whatsoever for any inaccuracies in these not
25、ations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Preparing act iv ity: (Project No. 6665-N493(EC) NAVY - EC 4 Provided by IHSNot for ResaleNo
26、 reproduction or networking permitted without license from IHS-,-,-? MIL-R-2BL (2) 66 m 9999906 0136519 2 m 1 c- z W -I s 3 a 9 o w (DI- MIL-R-28881( EC) AMENDMENT 2 t c c 6 W c O z W a. O o c W - .C Y m E V c v, c O v, c m .C Q .C V W .w .C z a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
