1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 30 September 2004 prEN 4049-003 Edition P 1 September 2004 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Thermocouple extension cab
2、le Operating temperatures between - 65 OC to 260 OC Part 003: Single core Nickel chromium/Nickel aluminium Product standard Srie arospatiale Luft- und Raumfahrt Tempratures de fonctionnement comprises Betriebstemperaturen Cbles, thermocouple Thermoelement Ausgleichsleitung entre - 65 “C et 260 “C Pa
3、rtie 003 : Fil simple Nickel chromelNickel aluminium zwischen - 65 “C und 260 “C Teil 003: Einadrig Nickel-Chrom und Nickel Aluminium Norme de produit Produ ktnorm This “Aerospace Series“ frestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Indu
4、stries - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this frestandard, the technical content shall not be changed to an extent t
5、hat interchangeabilify is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vot
6、e and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Electrical Domain I I Copytight 2004 O by AECMA-STA1 Pag
7、e 2 prEN 4049-003:2004 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrical Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Pu
8、blication. Contents Page 1 2 3 4 4.1 4.2 4.3 5 6 7 8 9 10 Scope Norm at ive referen ces Definit ions Materials and construction Materials Construction Colour coding of cores Required characteristics Qual i ty ass u ra nce Designation Identification and marking Packaging, labelling and delivery lengt
9、h Technical specification 3 3 3 3 3 4 4 4 6 6 6 7 7 Page 3 prEN 4049-003:2004 1 Scope This standard specifies the characteristics of thermocouple cables used for the connection between the thermocouple and the equipment. Temperatures between - 65 “C and 260 “C (except otherwise specified in the prod
10、uct standard). 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendmen
11、ts to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). IS0 8056-1 :I 985, Aircraff - Nickelchromium and nickel-alum
12、inium thermocouple extension cables - Part 7: Conductors - General requirements and tests IS0 8815, Aircraff - Electrical cables and cable harnesses - Vocabulary EN 3475-1 O0 *, Aerospace series - Cables, electrical, aircraff use - Test methods - Part 700: General EN 4049-001, Aerospace series - The
13、rmocouple extension cable - Operating temperatures between - 65 “C to 260 “C -Part 007: Technical specification EN 4049-002, Aerospace series - Thermocouple extension cable - Operating temperatures between - 65 “C to 260 “C - Part 002: General EN 9133, Aerospace series - Quality management systems -
14、 Qualification Procedure for Aerospace Standard Parts EN 60584-2, Thermocouples - Part 2: Tolerances TR 6058, Aerospace series - Cable code identification list 2, 3 D ef i n it i on s See EN 3475-100, IS0 8056-1 and IS0 8815. 4 Materials and construction 4.1 Materials Conductor Conductors shall be i
15、n accordance with IS0 8056-1. Tolerance class 1 in accordance with EN 60584-2 Insulation The insulation shall comply with the requirements of subclause 4.2 of EN 4049-001. Ist tape: PTFE 51 % min. overlap; 2“d tape: Polyimide wrapped in opposite direction to first tape 51 % min. overlap; 3rd tape: P
16、TFE wrapped in opposite direction to second tape 51 % min. overlap. * 1) 2) All parts quoted in this standard Published as AECMA Prestandard at the date of publication of this standard Published as AECMA Technical Report at the date of publication of this standard Page 4 prEN 4049-003:2004 Cable cod
17、e 4.2 Construction Code for nominal section See Table 1. Nominal cross- section mm2 Table 1 Conductor construction max./min. Linear resistance at 20 “C Wkm min. max. 1 956 2 364 External diameter mm min. max. 1,27 1,40 Conductor diameter 434 524 1,57 1,67 Mass Dimensions Ohmic resistance per unit le
18、ngth kg/km max. Applicable Applicable + IS0 80561 subclause 5.4 mm Accelerated ageing Shrinkage and delamination NiCr E5 Applicable at temperature (31 O k 5) “C Applicable at temperature (31 O k 5) “C Shrinkage (max. at each end of cable 3 mm) 0,4 I 19x0,15 0,75 5,55 0,6 I 19x020 1 ,o0 1100 I 1330 I
19、 137 I 1,67 8,35 N Al E5 0,4 I 19x0,15 0,75 771 I 932 I 1,27 I 1,40 5,55 0,6 I 19x0,20 1 ,o0 8,35 4.3 Colour coding of cores See EN 4049-002. 5 Required characteristics According to EN 4049-001 and EN 3475-100. See Table 2. Table 2 Tests as per parts EN 3475- Tests Details 201 Visual examination I A
20、pplicable I 202 Mass I Applicable I 203 301 302 Voltage proof test I Applicable I 303 Insulation resistance I Applicable I 304 Surface resistance I Not applicable I 305 Overload resistance I Not applicable I 306 Continuity of conductors I Applicable I 401 402 403 Delamination and blocking I Applicab
21、le at temperature (31 O k 5) “C I 404 Thermal shock Applicable at temperature (290 k 5) “C Shrinkage (max. at each end of cable 3 mm) 405 Bending at ambient temperature I Applicable I continued Page 5 prEN 4049-003:2004 603 604 Table 2 (concluded) Resistance to wet arc tracking Resistance to dry arc
22、 propagation Not applicable Not applicable 705 706 Contrast measurement Not applicable Laser markability Not applicable Tests as per parts EN 3475- Tests Details Cold bend test Applicable Flammability Applicable max. after burn time 3 s 406 407 408 I Fire resistance I Not applicable 409 I Air-exclud
23、ed ageing Not applicable 410 I Thermal endurance I Not applicable 41 1 Resistance to fluids Applicable 412 Humidity resistance Not applicable 413 I Wrap back test I Not applicable Differential scanning calorimeter 414 I (DSC test) Not applicable 501 Dynamic cut-through Not applicable 502 Notch propa
24、gation Not applicable 503 I Scrape abrasion I Not applicable 504 Torsion Not applicable 505 Tensile test on conductors and strands Applicable 506 Plating continuity Not applicable 507 Adherence of plating Not applicable 508 I Plating thickness I Not applicable 509 Solderability Not applicable 51 O T
25、ensile strength and elongation of extruded Not applicable 51 1 Not applicable insulation, sheath and jacket material Ca bl e-to-ca ble ab ras ion 512 I Flexure endurance I Not applicable 601 I Smoke density I Not applicable 602 I Toxicity I Not applicable 605 I Wet short circuit test Not applicable
26、Applicable: adherence 3 N min. Strippability with 45-1 733-1 stripmaster tool. Strippability and adherence of insulation to 701 I the conductor 702 I Screen pushback capability I Not applicable 703 I Permanence of manufacturers marking I Applicable 704 I Flexibility I Not applicable Test as per IS0
27、8056-1 Tests Details 5.2 I Magnetic properties of conductors Applicable 5.3 I Thermo-electric test I Applicable Page 6 prEN 4049-003:2004 Nickel chromium Nickel aluminium 6 Quality assurance See EN 9133. EN reference Code designation EN4049-003A 004A HS 22 EN4049-003A 006A HS 20 EN4049-003A 004B HT
28、22 EN4049-003A 006B HT 20 7 Designation 7.1 Identification Each cable shall be designated according to the following example. EXAMP LE Description block Identity block ELECTRICAL CABLE EN4049-003A006A Code letter for number of cores (see EN 4049-002, Table 1) Code for nominal cross-section (see Tabl
29、e 1) Number of this standard Code for colour coding of cores (see EN 4049-002, Table 2 and 3) NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 7.2 Type code (for short designation) Code designation in accordance with TR 6058, see Table 3. 8 Identification and marking See EN 4049-002. Page 7 prEN 4049-003:2004 9 See EN 4049-001. Packaging, labelling and delivery length 10 Technical specification See EN 4049-001.
