GB/T 3048.4-2007 Translated English of Chinese Standard. (GBT 3048.4-2007, GB/T3048.4-2007, GBT3048.4-2007): Test methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductorshttps://www.chinesestandard.net, 21.05.2016 - 13 Seiten This Standard specifies the test apparatus, specimen preparation, test procedure for test of DC resistance of conductors as well as calculation and test record. |
Inhalt
| 3 | |
Scope | 6 |
Specimen Preparation | 8 |
Test Procedure | 9 |
Test Results and Calculation | 11 |
Test Record | 12 |
Häufige Begriffe und Wortgruppen
20°C is given added to Clause bridge for laboratory Bridge-arm resistance cables and wires clamps of Kelvin clamps of Wheatstone coefficient Kt Environment conductor temperature Connect the specimen Correction coefficient Kt Corresponding resistivity DC power switch Direct current documents so quoted edition electric cables electric potential electric wires electrical properties environment temperature error of resistance exceed four-terminal measuring clamp Galvanometer switch GB/T given in Formula Kelvin bridge kilometer at 20°C Kt Environment temp length resistance value measure DC resistance Measured resistance measuring error measuring system measuring t/°C Correction methods for electrical mm2 of section normative references properties of electric Resistance measurement resistance of conductors resistance test result and calculation Rheostat routine test Spark test specimen at test specimen length stationary bridge t/°C Correction coefficient temperature correction coefficient Test methods Test of DC test procedure test record test result type test value per kilometer voltage test water-blocked Wheatstone bridge wires and cables