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Zakres |
Błąd |
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Nr |
U[V] |
I[mA] |
Woltomierz[V] |
Amperomierz[mA] |
Napięcie [V] |
Natęrzenie [mA] |
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1 |
1,70 |
4,47 |
3 |
20 |
0,03 |
0,03 |
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9,46378791746118 |
9,46378791746118 |
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380,313199105145 |
2 |
2,50 |
6,78 |
3 |
20 |
0,03 |
0,04 |
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6,81228844162512 |
6,81228844162512 |
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368,731563421829 |
3 |
3,40 |
9,10 |
10 |
20 |
0,1 |
0,06 |
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13,2677212896993 |
13,2677212896993 |
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373,626373626374 |
4 |
4,20 |
11,12 |
10 |
20 |
0,1 |
0,07 |
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11,2209512965167 |
11,2209512965167 |
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377,697841726619 |
5 |
5,00 |
13,45 |
10 |
20 |
0,1 |
0,08 |
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9,57007227650254 |
9,57007227650254 |
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371,747211895911 |
6 |
5,90 |
15,70 |
10 |
20 |
0,1 |
0,09 |
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8,48776826646111 |
8,48776826646112 |
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375,796178343949 |
7 |
6,80 |
18,05 |
10 |
20 |
0,1 |
0,10 |
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7,63253811741776 |
7,63253811741776 |
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376,731301939058 |
8 |
7,70 |
20,4 |
10 |
200 |
0,1 |
0,3 |
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11,2816224529027 |
11,2816224529027 |
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377,450980392157 |
9 |
8,60 |
22,8 |
10 |
200 |
0,1 |
0,4 |
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10,5666358879655 |
10,5666358879655 |
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377,19298245614 |
10 |
9,40 |
25,0 |
10 |
200 |
0,1 |
0,4 |
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10,016 |
10,016 |
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376 |
11 |
10,00 |
27,2 |
30 |
200 |
0,3 |
0,4 |
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16,7928200692042 |
16,7928200692042 |
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367,647058823529 |
12 |
11,00 |
29,5 |
30 |
200 |
0,3 |
0,5 |
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15,9080723929905 |
15,9080723929905 |
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372,881355932203 |
13 |
12,00 |
31,8 |
30 |
200 |
0,3 |
0,5 |
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15,1489260709624 |
15,1489260709624 |
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377,358490566038 |
14 |
12,50 |
33,9 |
30 |
200 |
0,3 |
0,5 |
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14,3620400100939 |
14,3620400100939 |
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368,731563421829 |
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374,421864403627 |
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Błąd pomiarowy miernika analogowego UM-112B |
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Dla zakresu 3V |
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Formuła: |
ΔU=1%*3V=0,03V |
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Dla zakresu 10V |
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Formuła: |
ΔU=1%*10V=0,1V |
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Dla zakresu 30V |
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Formuła: |
ΔU=1%*30V=0,3V |
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Błąd pomiarowy miernika cyfrowego M-3800 |
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Wynik [mA] |
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Formuła: |
ΔI=0,5%*4,47+0,01= |
0,03 |
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ΔI=0,5%*6,78+0,01= |
0,04 |
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ΔI=0,5%*9,10+0,01= |
0,06 |
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ΔI=0,5%*11,12+0,01= |
0,07 |
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ΔI=0,5%*13,45+0,01= |
0,08 |
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ΔI=0,5%*15,70+0,01= |
0,09 |
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ΔI=0,5%*18,05+0,01= |
0,10 |
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ΔI=1,2%*20,4+0,1= |
0,3 |
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ΔI=1,2%*22,8+0,1= |
0,4 |
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ΔI=1,2%*25,0+0,1= |
0,4 |
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ΔI=1,2%*27,2+0,1= |
0,4 |
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ΔI=1,2%*29,5+0,1= |
0,5 |
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ΔI=1,2%*31,8+0,1= |
0,5 |
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ΔI=1,2%*33,9+0,1= |
0,5 |
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U[V] |
I[mA] |
zakresy |
Opór[Ω] |
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R1 |
5,9 |
107,8 |
10V/200mA |
54,7 |
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R2 |
7,5 |
77,7 |
10V/200mA |
96,5 |
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R3 |
7,6 |
77,9 |
10V/200mA |
97,6 |
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ΔU=1%*10V=0,1V |
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ΔI=1,2%*107,8mA+0,1mA=1,4mA |
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ΔI=1,2%*77,7mA+0,1mA=1,0mA |
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ΔI=1,2%*77,9mA+0,1mA=1,0mA |
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I |
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Błąd[Ω] |
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ΔR1= |
(100/107,8)+(1,4*5900)/107,8^2= |
1,6 |
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ΔR2= |
(100/77,7)+(1*7500)/77,7^2= |
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2,5 |
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ΔR3= |
(100/77,9)+(1*7600)/77,9^2= |
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2,5 |
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ΔR4= |
(30/4,47)+(0,03*1700)/4,47^2= |
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9,26 |
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Metoda różniczki logarytmicznej |
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ΔR1= |
(100/5900+1,4/107,8)*54,7= |
1,6 |
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