KS C IEC 60564-2013 D C bridges for measuring resistance《测量电阻用直流电桥》.pdf
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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60564 KS C IEC 60564:2013 2013 1 22 http:/www.kats.go.krKS C IEC 60564:2013 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2013 1 22 2013-0035 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60564:2013 i ii . iii 1 1 2 .1 3 4 4 5 5 .5 6
2、.6 7 .7 7.1 7 7.2 .7 8 7 8.1 7 8.2 7 8.3 .8 8.4 , .8 9 , .8 9.1 .8 9.2 , .9 9.3 .10 9.4 .10 KS C IEC 60564:2013 13 KS C IEC 60564:2013 ii . , , . , , . KS C IEC 60564:2013 iii 1977 1 IEC 60564, D.C. bridges for measuring resistance Amendment 1(1981) Amendment 2(1997) , . KS C IEC 60564:2013 D.C. bri
3、dges for measuring resistance 1 . . 1), , (null) , . 2 . 2.1 ( “ ” ) (D.C. bridge for measuring resistance) 3 (arms) . , . . ( ) 2 4 . ( ) 2 4 . 2.2 (test resistor) 2.3 2 (two-terminal resistor) 2.4 4 (four-terminal resistor) 2 , 2 . 1) * . 2 KS C IEC 60564:2013 2 2.5 ( ) (resistor with leakage curr
4、ent screen) ( ) , “ ” . ( ) . . ( ) , . 2 4 . 2.6 10 (resistance decade) , 0.1 , 1 10 10 (decade) 2.7 (range-changing device) “ ” “ ” ( 0.1) 2.8 (measuring dials) , . 2.9 ( ) (connecting resistance) 4 , . 2.10 ( ) (rink resistance) 4 , . 2.11 (auxiliary equipment) , . 2.12 (ripple content) . 1002.13
5、 ( ) (leakage current screen) KS C IEC 60564:2013 3 ( ) “ (guard terminal)” . 2.14 (electrostatic screen) 2.15 (measuring terminals) 2.16 (measuring circuit) ( ) 2.17 (effective range) 2.18 (overall effective range) 2.19 (dial setting) 2.20 (resolution) . , , . 2.21 (influence quantity) , . 2.22 (re
6、ference conditions) (intrinsic) 2.23 (reference value) 2.24 (reference range) KS C IEC 60564:2013 4 2.25 (variation with influence quantity) 2.26 (nominal range of use) 2.27 (limiting values of an influence quantity) VRB 2.28 (fiducial value) , 10 . 2.29 (error) 1 . . . 2 . 2.30 (intrinsic) . 2.31 (
7、accuracy) . 2.32 (accuracy class) , 2.33 (class index) 3 . KS C IEC 60564:2013 5 3.1 2 4 ( ) . . 3.2 2.32 . a) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 b) 10 ppm 20 ppm 50 ppm 100 ppm 200 ppm 500 ppm 1 000 ppma) 0.2 0.5 1 2 5 10 b) 2 000 ppm 5 000 ppm 10 000 ppm 20 000 ppm 50 000 ppm 100 000 ppm a) b) p
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- KSCIEC605642013DCBRIDGESFORMEASURINGRESISTANCE 测量 电阻 直流 电桥 PDF
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