GB/T 6146-2010Test method for resistivity of precision resistance alloys (English PDF)
精密电阻合金电阻率测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 1, 2010
Implementation date
May 1, 2011
Scope
GB/T 6146-2010 is the English-translated version of 精密电阻合金电阻率测试方法.
GB/T 6146-2010 is the Chinese standard "Test method for resistivity of precision resistance alloys". Its scope clause reads: This standard specifies the precision resistance alloys resistivity test methods.
This standard applies to the reference temperature of 20 °C, the measurement and having a uniform solid cross-section of precision resistance alloys and single volume resistivity Bit length resistance.
For other alloys in this temperature measuring resistivity may also refer to adoption. Its clauses include terms and definitions; sample.
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Document preview — GB/T 6146-2010
National Standard of the People's Republic of China
- ICS
- 77.040.01
- Classification
- H 21
- Replacing
- GB/T 6146-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Sample
1 Scope
This standard specifies the precision resistance alloys resistivity test methods.
This standard applies to the reference temperature of 20 °C, the measurement and having a uniform solid cross-section of precision resistance alloys and single volume resistivity
Bit length resistance. For other alloys in this temperature measuring resistivity may also refer to adoption.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 8170 repair value expressed about the rules and limit values and judgment
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 Resistivity
Conductor resistance value per unit length and unit cross-sectional area. At room temperature is 20 °C, the value according to formula (1).
rho20 = R20
A20
L20 (1)
Where.
rho20 --- 20 °C when the resistivity in units of micro-Omri (µohm · m);
R20 --- sample resistance value at 20 °C in ohms (ohm);
Sectional area of the specimen A20 --- 20 °C when the unit is square millimeters (mm2);
Measure the length of the sample L20 --- 20 °C when, in meters (m).
3.2 Resistanceperunitlength resistance per meter
Uniform cross-section of the conductor, the resistance per unit length. Room temperature is 20 °C, the value according to the formula (2).
RL20 =
R20
L20 (2)
Where.
RL20 resistance values per meter --- 20 °C when ohms per meter (ohm/m);
R20 resistance value of the sample measured --- 20 °C when, in ohms (ohm);
Measure the length of the sample L20 --- 20 °C when, in meters (m).
3.3 Measuring length testlength
It refers to the length between the two potential end of the sample.
4 Sample
4.1
Test test specimens from the finished product, the length of not less than 300mm, the resistance value should be greater than 0.01ohm. For samples with special difficulties and to […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Editions of GB/T 6146
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 6146-2010 | Test method for resistivity of precision resistance alloys | current edition | Current |
| GB/T 6146-1985 | Test method for resistivity of precision resistance alloys | previous edition | Superseded |
This page sells the current edition, GB/T 6146-2010. Earlier editions are listed for reference only.
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