GB/T 351-2019 Translated English of Chinese Standard. (GBT 351-2019, GB/T351-2019, GBT351-2019): Metallic Materials - Resistivity Measurement Methodhttps://www.chinesestandard.net, 27 abr 2019 - 15 páginas This Standard specifies the terms and definitions, test equipment, sample, test, test results and calculation, test records and reports for the resistivity measurement of the metallic materials. This Standard is applicable to the measurement of the electrical properties such as volume resistivity, mass resistivity, electrical conductivity and direct-current resistance ratio, etc. |
Índice
| 3 | |
Scope | 4 |
Test Equipment | 5 |
Sample | 6 |
Test Results and Calculation | 10 |
Test Records and Reports | 13 |
Clamping Tool | 15 |
Términos y frases comunes
ambient temperature Annealed Copper Standard apparent mass arbitration test arithmetic mean calculation if density common conductor clamping conductivity percent IACS conductor clamping tool conductor per unit contacts during measuring Cross-section area calculation direct-current resistance ratio document equidistantly select error caused exceed Formula four-contact method Gauge length L2 gauge length range GB/T hanging wire International Annealed Copper Kelvin bridge length of sample Mass in air measure the resistance measurement error Measurement results Metallic Materials minimum division value resistance of sample resistance per unit resistance value resistivity It indicates resistivity Mass resistivity rounded off according routine test sample at 20°C sample density Sample length L1 sample mass sample resistance sample’s select 5 measuring standard resistance standard temperature resistance take the arithmetic Temperature control temperature of 20°C temperature shall remain terminal It indicates terms and definitions test records test temperature Total error unit length Vernier caliper voltage terminals volume resistivity Wheatstone bridge YB/T