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.., .. ,.: ,1978.
.., .. ,.: , 1981.
, .: ,1990.
̳. -62 :
10-4 10 -2 0,5 ( );
10-2 106 0,1;
104 10-3 5,0 ( );
10-3 10-2 1,0 ( )
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(. 1) 100Ω, 10Ω,1Ω 0,1Ω, 0,01Ω.
(. 2) , 1000 .
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Rx*N=Rcp., (1)
N - , N=..-
Rcp,= (XI 100+2 10+ 1+4 0,14-5 -0,01) ;
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³ R | ³ 1 | ³ 2 | ³ | |||
1-2 | δn1 | 13* | ||||
2-3 | δn2 | |||||
3-4 | δn3 | |||||
4-5 | δn4 | |||||
5-6 | δn5 | |||||
6-7 | δn6 | |||||
7-8 | δn7 | |||||
8-9 | δn8 | |||||
9-10 | δn9 | |||||
10-11 | δn10 | 12* |
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*100 . | 0,05 |
*10 . | 0,05 |
*1 . | 0,06 |
*0,1 . | 0,15 |
*0,01 . | 1 |
100 , . 0,025%.
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2,5 Ω, 7.5 Ω 0,05.
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45 R 1 0,05. , 0,099-0,101 .
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R-2,5Ω . | 2,47 | 2,465-2,475 |
1-2,5Ω . | 2,47 | 2,465-2,475 |
2,5Ω .-7,5Ω . | 4,990-5,010 | |
2,5Ω .-7,5Ω . | 4,990-5,010 |
R = 1,2 .
R1 = 1,211 . (1*100*10+2*10*10+1*1*10+1*0,1*10+0,01*10) = 1211 . = 1,211 .
R2 = 1,213 .
R3 = 1,215 .
Ř = (R1+ R2+ R3)/3 = (1,211+1,213+1,1215)/3 = 1,1213 .
∆ R1 = R1- Ř = 1,211-1,213 = -0,002 .
∆ R2 = R2- Ř = 1,213-1,213 = 0,0 .
∆ R3 = R3- Ř = 1,215-1,213 = 0,002 .
δ1 = -0,002/1,213*100% = -0,16%
δ2 = 0,0/1,213*100% = 0%
δ3 = 0,002/1,213*100% = 0,16%
Ř = (R1+ R2+ R3)/3 = 1,2181 .
∆ R1 = 1,211-1,2181 = -0,006 .
∆ R2 = 1,2122-1,2181 = -0,0059 .
∆ R3 = 1,230-1,2181 = -0,0019 .
δ1 = -0,006/1,2181*100% = -0,49%
δ2 = -0,0059/1,2181*100% = -0,48%
δ3 = 0,0019/1,2181*100% = -0,155%
R1 = 92,010 . R1 = 8,8676 .
R2 = 92,921 . R2 = 8,8771 .
R3 = 91,813 . R3 = 8,8651 .
Ř = (R1+ R2+ R3)/3 = (92,010+92,321+91,813)/3 = 92,048 .
∆ R1 = R1- Ř = 92,010-92,048 = -0,038 .
∆ R2 = R2- Ř = 92,048-92,321 = -0,273 .
∆ R3 = R3- Ř = 92,048-91,813 = 0,235 .
δ1 = -0,038/92,048*100% = -0,041%
δ2 = -0,273/92,048*100% = -0,297%
δ3 = 0,235/92,048*100% = 0,255%
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Ř = (R1+ R2+ R3)/3 = 8,86993 .
∆ R1 = 8,8676-8,86993 = 0,00233 .
∆ R2 = 8,8781-8,86993 = -0,00717 .
∆ R3 = 8,8651-8,86993 = -0,00483 .
δ1 = -0,00233/8,86993*100% = -0,026%
δ2 = 0,00717/8,86993*100% = 0,081%
δ3 = -0,00483/8,86993*100% = 0,0545%
R1 = 91,560 .
R2 = 91,535 .
R3 = 91,572 .
Ř = (R1+ R2+ R3)/3 = (91,56+91,535+91,572)/3 = 91,556 .
∆ R1 = R1- Ř = 91,56-91,556 = 0,044 .
∆ R2 = R2- Ř = 91,535-91,556 = -0,021 .
∆ R3 = R3- Ř = 91,572-91,566 = 0,016 .
δ1 = 0,044/91,556*100% = 0,048%
δ2 = -0,021/91,556*100% = 0,0229%
δ3 = 0,016/91,556*100% = 0,0174%