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1、INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXAYHAPOAHAR OPTAHMBAMR I-IO CTAHAAPTMBAL(kll.4 Pyrometric reference cones for laboratory use - Specification C6nes pyroscopiques de r temperature of collapse: The temperature at which
2、 the tip of a pyrometric reference cone reaches the level on which the base of the cone is mounted when the cone is heated at a specified rate under specified conditions. 4 Dimensions and shape of cones 4.1 The nominal dimensions of a cone shall be as shown in figure I. 4.2 The shape of a cone shall
3、 be as indicated in figures 2 or 3. 4.3 A cone may lean in the direction of an edge, as in figure 2, or in the direction of a face, as in figure 3. The angle to the vertical to be made by the leading edge or face when the cone is mounted, shall be 8 + lo. Figure 2 Figure 3 Copyright International Or
4、ganization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 21:31:05 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 1146 : 1966 (El 5 Reference temperatures Each reference cone shall be
5、 of such composition that the temperature of collapse is one of the temperatures shown in table 1, with a tolerance of Z!I 5 K. 6 Rate of heating Each pyrometric reference cone conforming to this Interna- tional Standard shall be suitable for heating to its reference temperature at a rate of 2,5 K/m
6、in. Table 1 - Reference temperatures and cone designations Cone Temperature Cone Temperature designation % designation OC IS0 150 1500 IS0 166 1660 IS0 152 1520 IS0 168 1680 IS0 154 1540 IS0 170 1700 IS0 156 1560 IS0 172 1720 IS0 158 1580 IS0 174 1740 IS0 160 1600 IS0 176 1760 IS0 162 1620 IS0 178 1
7、780 IS0 164 1640 IS0 180 1800 7 Verification of temperature of collapse The reference temperature of each batch of cones having the same nominal reference temperature shall be verified for con- formity to clause 5 by carrying out the procedure specified in IS0 525 on a sample of the batch. The tempe
8、rature of collapse shall be determined by a calibrated thermocouple. The sample, to be taken at random from the batch, shall consist of 2 % of the batch with a minimum of two cones. 6 Marking Each reference cone conforming to this International Standard shall be marked with the appropriate cone desi
9、gnation as shown in table 1. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 21:31:05 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 1146 : 1966 (E
10、l Annex Comparison of the properties of different brands of pyrometric reference cones (This annex does not form an integral part of the Standard.) Table 2 - Summary of reference temperatures and cone designations of ISO, Seger, Orton and H.P.C. pyrometric reference cones Reference emperaturc T Sege
11、r H.P.C. 605 022 022 650 021 021 675 020 020 695 019 019 715 018 018 735 017 017 760 016 016 785 015a 015a 815 014a 014a 835 - 013a 845 013a - 855 - 012a 880 - Olla 890 012a - 800 Olla OlOa 925 840 OlOa 09a 09a 08a 965 975 08a 07a 07a 06a 995 1 010 1 020 1040 1055 1070 1080 1 loo 06a 05a - la 03a -
12、02a 05a - 04a 03a 02a - Ola la 1 125 Ola 2a 1 145 la 3a 1 165 2a 4a 1 185 3a 5a 1200 - 6a 1220 4a - 1230 5a 1250 - 1260 6a 1 270 7 1280 - 1 295 8 7 8 - - 9 10 Reference temperaturt T - 1315 1330 1340 1350 1375 1395 1410 1430 9 IO - 11 12 13 14 - 1440 1460 1470 1480 1490 1500 150 15 - - - 16 - - - -
13、16 17 - 1 510 1520 1530 1540 - - 152 18 - 154 - 19 1560 156 20 1580 158 26 1600 160 27 1605 - - 1 620 162 27s 1630 1640 1646 1660 - 164 - 166 - - 28 - 29 - IS0 Seger Orton H.P.C. - - 12 13 - 14 11 - - 12 13 - - 15 14 15 - 16 - 17 - 18 17 18 - 19 - 19 20 - 20 - - 26 - - 23 27 26 - - 27 -28 28 - 29 29
14、 - Reference temperaturt OC 1665 1680 1690 168 1700 1710 170 1720 172 1730 - 1740 174 1750 1760 176 34 34 1770 178-O 1785 1800 178 180 1820 1830 1835 1850 1860 1880 1900 1 920 IWO 1960 1 970 1880 2000 2015 IS0 Seger Orton H.P.C. 30 31 32 323 33 3% 35 36 37 38 38 40 41 42 30 31 - 314 32% - 33 35 36 3
15、7 38 39 40 41 42 30 31 32 33 - 34 - 35 36 37 38 38 40 41 42 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 21:31:05 MDTNo reproduction or networking permitted without license
16、from IHS -,-,- IS0 1146 : 1966 (E) UDC 536.52 : 656.76 Descriptors : temperature measuring instruments, shaped refractories, reference sample, cones, specifications, designation, marking. Price based on 3 oases Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 21:31:05 MDTNo reproduction or networking permitted without license from IHS -,-,-