Óòâåðæäåíà

ÍÏÎ "ÂÍÈÈÌ èì. Ä.È. Ìåíäåëååâà"

17 ìàÿ 1988 ãîäà

 

Äàòà ââåäåíèÿ -

1 èþëÿ 1989 ãîäà

 

ÐÅÊÎÌÅÍÄÀÖÈß

 

ÃÎÑÓÄÀÐÑÒÂÅÍÍÀß ÑÈÑÒÅÌÀ ÎÁÅÑÏÅ×ÅÍÈß ÅÄÈÍÑÒÂÀ ÈÇÌÅÐÅÍÈÉ

 

ÃÎÑÓÄÀÐÑÒÂÅÍÍÀß ÏÎÂÅÐÎ×ÍÀß ÑÕÅÌÀ ÄËß ÑÐÅÄÑÒ ÈÇÌÅÐÅÍÈÉ

ÑÈËÛ ÏÅÐÅÌÅÍÍÎÃÎ ÝËÅÊÒÐÈ×ÅÑÊÎÃÎ ÒÎÊÀ ÎÒ 1 x 10(-8) äî 25 À

 ÄÈÀÏÀÇÎÍÅ ×ÀÑÒÎÒ 20 - 1 x 10(6) Ãö

 

ÌÈ 1940-88

 

1. Ðàçðàáîòàíà è âíåñåíà Ãîñóäàðñòâåííûì êîìèòåòîì ÑÑÑÐ ïî ñòàíäàðòàì.

2. Óòâåðæäåíà ÍÏÎ "ÂÍÈÈÌ èì. Ä.È. Ìåíäåëååâà" 17.05.88.

3. Çàðåãèñòðèðîâàíà ÂÍÈÈÌÑ 20.10.88.

4. Âçàìåí ÃÎÑÒ 8.183-76.

 

    Íàñòîÿùàÿ  Ðåêîìåíäàöèÿ  ðàñïðîñòðàíÿåòñÿ íà ãîñóäàðñòâåííóþ ïîâåðî÷íóþ

ñõåìó  äëÿ ñðåäñòâ èçìåðåíèé ñèëû äåéñòâóþùåãî ýëåêòðè÷åñêîãî òîêà (äàëåå -

                                           -8

ïåðåìåííîãî ýëåêòðè÷åñêîãî òîêà) îò  1 õ 10   äî  25  À  â äèàïàçîíå ÷àñòîò

           6

20 - 1 õ 10  Ãö è  óñòàíàâëèâàåò  ïîðÿäîê  ïåðåäà÷è  ðàçìåðà  åäèíèöû  ñèëû

                                            -3

ïåðåìåííîãî ýëåêòðè÷åñêîãî  òîêà  îò  1 õ 10   äî  20 À â äèàïàçîíå  ÷àñòîò

           6

20 - 1 õ 10  Ãö  îò  ãîñóäàðñòâåííîãî  ñïåöèàëüíîãî  ýòàëîíà  åäèíèöû  ñèëû

                                                             -3

ïåðåìåííîãî  ýëåêòðè÷åñêîãî  òîêà  -  àìïåðà  (À)  îò  1 õ 10   äî  20 À  â

                            6

äèàïàçîíå ÷àñòîò 20 - 1 õ 10  Ãö ïðè ïîìîùè âòîðè÷íûõ ýòàëîíîâ è îáðàçöîâûõ

ñðåäñòâ èçìåðåíèé ðàáî÷èì  ñðåäñòâàì  èçìåðåíèé ñ  óêàçàíèåì ïîãðåøíîñòåé è

îñíîâíûõ ìåòîäîâ ïîâåðêè.

 

                                1. ÝÒÀËÎÍÛ

 

    1.1.  Ãîñóäàðñòâåííûé ñïåöèàëüíûé ýòàëîí ïðèìåíÿþò äëÿ ïåðåäà÷è ðàçìåðà

                                                             -3

åäèíèöû  ñèëû   ïåðåìåííîãî   ýëåêòðè÷åñêîãî  òîêà  îò 1 õ 10   äî  20 À  â

                             6

äèàïàçîíå ÷àñòîò  20 - 1 õ 10  Ãö  âòîðè÷íûì ýòàëîíàì, îáðàçöîâûì ñðåäñòâàì

èçìåðåíèé 1-ãî ðàçðÿäà è  ðàáî÷èì òåðìîýëåêòðè÷åñêèì  ïðåîáðàçîâàòåëÿì òîêà

íåïîñðåäñòâåííûì ñëè÷åíèåì.

    1.2.        êà÷åñòâå    ýòàëîíîâ    ñðàâíåíèÿ    ïðèìåíÿþò   îäèíî÷íûå

                                                       -3           -1

òåðìîýëåêòðè÷åñêèå   ïðåîáðàçîâàòåëè   òîêà   îò 1 õ 10   äî  1 õ 10   À  â

                            6

äèàïàçîíå ÷àñòîò 20 - 1 õ 10  Ãö.

    1.3. Ñðåäíèå êâàäðàòè÷åñêèå  îòêëîíåíèÿ  ðåçóëüòàòîâ  ñëè÷åíèé  S

                                                                     ÑÈÃÌÀ0

ýòàëîíîâ  ñðàâíåíèÿ ñ ãîñóäàðñòâåííûì  ïðè  äåñÿòè  íåçàâèñèìûõ  èçìåðåíèÿõ

                    -6          -4

ñîñòàâëÿþò îò 5 õ 10   äî 3 õ 10  .

    1.4. Ýòàëîíû ñðàâíåíèÿ ïðèìåíÿþò äëÿ ìåæäóíàðîäíûõ ñëè÷åíèé.

    1.5.        êà÷åñòâå    ðàáî÷èõ   ýòàëîíîâ   ïðèìåíÿþò   óñòàíîâêè   ñ

òåðìîýëåêòðè÷åñêèìè   ïðåîáðàçîâàòåëÿìè   òîêà,  íàáîðû  òåðìîýëåêòðè÷åñêèõ

                                      -3

ïðåîáðàçîâàòåëåé    òîêà   îò   1 õ 10   äî  25 À   â    äèàïàçîíå   ÷àñòîò

           6

20 - 1 õ 10  Ãö.

    1.6. Ñðåäíèå  êâàäðàòè÷åñêèå  îòêëîíåíèÿ  ðåçóëüòàòîâ  ñëè÷åíèé S

                                                                     ÑÈÃÌÀ0

ðàáî÷èõ  ýòàëîíîâ  ñ  ãîñóäàðñòâåííûì  ïðè  äåñÿòè  íåçàâèñèìûõ  èçìåðåíèÿõ

                      -5            -4

ñîñòàâëÿþò îò 1,5 õ 10   äî 6,5 õ 10  .

1.7. Ðàáî÷èå ýòàëîíû ïðèìåíÿþò äëÿ ïîâåðêè îáðàçöîâûõ 1-ãî ðàçðÿäà è ðàáî÷èõ òåðìîýëåêòðè÷åñêèõ ïðåîáðàçîâàòåëåé òîêà íåïîñðåäñòâåííûì ñëè÷åíèåì.

 

2. ÎÁÐÀÇÖÎÂÛÅ ÑÐÅÄÑÒÂÀ ÈÇÌÅÐÅÍÈÉ

 

2.1. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé, çàèìñòâîâàííûå èç äðóãèõ ïîâåðî÷íûõ ñõåì

2.1.1.  êà÷åñòâå îáðàçöîâûõ ñðåäñòâ èçìåðåíèé, çàèìñòâîâàííûõ èç äðóãèõ ïîâåðî÷íûõ ñõåì, ïðèìåíÿþò îáðàçöîâûå ìåðû ÝÄÑ 2 è 3-ãî ðàçðÿäîâ ïî ÃÎÑÒ 8.027-81, îáðàçöîâûå îäíîçíà÷íûå ìåðû ýëåêòðè÷åñêîãî ñîïðîòèâëåíèÿ 2 è 3-ãî ðàçðÿäîâ ïî ÃÎÑÒ 8.028-86, îáðàçöîâûå ìåðû íàïðÿæåíèÿ è îáðàçöîâûå âîëüòìåòðû 1 è 2-ãî ðàçðÿäîâ ïî ÌÈ 1935-88.

2.1.2. Îáðàçöîâûå ìåðû ÝÄÑ è îáðàçöîâûå îäíîçíà÷íûå ìåðû ýëåêòðè÷åñêîãî ñîïðîòèâëåíèÿ 2 è 3-ãî ðàçðÿäîâ ñîâìåñòíî ñ îáðàçöîâûìè òåðìîýëåêòðè÷åñêèìè ïðåîáðàçîâàòåëÿìè òîêà 1-ãî ðàçðÿäà ïðèìåíÿþò äëÿ ïîâåðêè ïîâåðî÷íûõ óñòàíîâîê 2-ãî ðàçðÿäà íåïîñðåäñòâåííûì ñëè÷åíèåì; îáðàçöîâûõ êàëèáðàòîðîâ òîêà 2 è 3-ãî ðàçðÿäîâ, îáðàçöîâûõ àìïåðìåòðîâ 3-ãî ðàçðÿäà è ðàáî÷èõ ýëåêòðîííûõ àìïåðìåòðîâ è êàëèáðàòîðîâ òîêà ñëè÷åíèåì ïðè ïîìîùè òåðìîýëåêòðè÷åñêîãî êîìïàðàòîðà.

Îáðàçöîâûå ìåðû íàïðÿæåíèÿ è îáðàçöîâûå âîëüòìåòðû 1 è 2-ãî ðàçðÿäîâ ñîâìåñòíî ñ îáðàçöîâûìè îäíîçíà÷íûìè ìåðàìè ýëåêòðè÷åñêîãî ñîïðîòèâëåíèÿ 2 è 3-ãî ðàçðÿäîâ ïðèìåíÿþò äëÿ ïîâåðêè îáðàçöîâûõ êàëèáðàòîðîâ ïåðåìåííîãî òîêà 2 è 3-ãî ðàçðÿäîâ è ðàáî÷èõ ýëåêòðîííûõ àìïåðìåòðîâ è êàëèáðàòîðîâ òîêà ìåòîäîì êîñâåííûõ èçìåðåíèé.

2.2. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 1-ãî ðàçðÿäà

    2.2.1.    êà÷åñòâå îáðàçöîâûõ ñðåäñòâ èçìåðåíèé 1-ãî ðàçðÿäà ïðèìåíÿþò

                                                             -3

íàáîðû  òåðìîýëåêòðè÷åñêèõ  ïðåîáðàçîâàòåëåé  òîêà  îò 1 õ 10   äî  25 À  â

                            6

äèàïàçîíå ÷àñòîò 20 - 1 õ 10  Ãö.

    2.2.2.   Äîâåðèòåëüíûå   îòíîñèòåëüíûå  ïîãðåøíîñòè  äåëüòà  îáðàçöîâûõ

                                                               0

ñðåäñòâ  èçìåðåíèé  1-ãî  ðàçðÿäà  ïðè   äîâåðèòåëüíîé   âåðîÿòíîñòè   0,95

                    -5            -3

ñîñòàâëÿþò îò 5 õ 10   äî 1,5 õ 10  .

2.2.3. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 1-ãî ðàçðÿäà ñîâìåñòíî ñ îáðàçöîâûìè ìåðàìè ÝÄÑ è îáðàçöîâûìè îäíîçíà÷íûìè ìåðàìè ýëåêòðè÷åñêîãî ñîïðîòèâëåíèÿ ïðèìåíÿþò äëÿ ïîâåðêè ïîâåðî÷íûõ óñòàíîâîê 2-ãî ðàçðÿäà íåïîñðåäñòâåííûì ñëè÷åíèåì; îáðàçöîâûõ êàëèáðàòîðîâ òîêà 2 è 3-ãî ðàçðÿäîâ, îáðàçöîâûõ àìïåðìåòðîâ 3-ãî ðàçðÿäà, ðàáî÷èõ êàëèáðàòîðîâ òîêà è ýëåêòðîííûõ àìïåðìåòðîâ ñëè÷åíèåì ïðè ïîìîùè êîìïàðàòîðà.

2.3. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 2-ãî ðàçðÿäà

    2.3.1.    êà÷åñòâå îáðàçöîâûõ ñðåäñòâ èçìåðåíèé 2-ãî ðàçðÿäà ïðèìåíÿþò

                            -5                                       4

êàëèáðàòîðû   òîêà îò 1 õ 10   äî 25 À â äèàïàçîíå ÷àñòîò 20 - 1 õ 10  Ãö è

                                     -4

ïîâåðî÷íûå    óñòàíîâêè   îò   1 õ 10   äî   25  À   â   äèàïàçîíå   ÷àñòîò

           4

40 - 2 õ 10  Ãö.

    2.3.2.   Äîâåðèòåëüíûå   îòíîñèòåëüíûå  ïîãðåøíîñòè  äåëüòà  îáðàçöîâûõ

                                                               0

ñðåäñòâ   èçìåðåíèé   2-ãî   ðàçðÿäà  ïðè  äîâåðèòåëüíîé  âåðîÿòíîñòè  0,95

                                                        -4          -3

ñîñòàâëÿþò äëÿ îáðàçöîâûõ êàëèáðàòîðîâ  òîêà  îò  5 õ 10   äî 2 õ 10  , äëÿ

                              -3          -4

ïîâåðî÷íûõ óñòàíîâîê îò 2 õ 10   äî 2 õ 10  .

    2.3.3. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 2-ãî ðàçðÿäà ïðèìåíÿþò äëÿ ïîâåðêè

îáðàçöîâûõ  àìïåðìåòðîâ  3-ãî  ðàçðÿäà  è  ðàáî÷èõ  àìïåðìåòðîâ ñ ïðåäåëàìè

                                                           -3          -3

äîïóñêàåìûõ  ïðèâåäåííûõ  ïîãðåøíîñòåé  ÄÅËÜÒÀ   îò  1 õ 10   äî 2 õ 10   è

                                              îï

      -3

5 õ 10   ñëè÷åíèåì ïðè ïîìîùè ýëåêòðè÷åñêîãî  êîìïàðàòîðà  è ìåòîäîì ïðÿìûõ

èçìåðåíèé.

    2.4. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 3-ãî ðàçðÿäà

    2.4.1.    êà÷åñòâå îáðàçöîâûõ ñðåäñòâ èçìåðåíèé 3-ãî ðàçðÿäà ïðèìåíÿþò

                     -3                                         3

àìïåðìåòðû  îò 5 õ 10   äî 25 À â äèàïàçîíå ÷àñòîò 40 - 1,5 õ 10  Ãö  è  îò

      -4                                         5

2 õ 10   äî 25 À â äèàïàçîíå ÷àñòîò 40 - 1,5 õ 10  Ãö è êàëèáðàòîðû òîêà îò

      -8                                       4

1 õ 10   äî 10 À â äèàïàçîíå ÷àñòîò 20 - 2 õ 10  Ãö.

    2.4.2.  Äîâåðèòåëüíûå   ïðèâåäåííûå   ïîãðåøíîñòè   äåëüòà   îáðàçöîâûõ

                                                              îï

àìïåðìåòðîâ  3-ãî ðàçðÿäà  ïðè  äîâåðèòåëüíîé  âåðîÿòíîñòè  0,95 ñîñòàâëÿþò

         -3          -3         -3

îò 1 õ 10   äî 2 - 10   è 5 õ 10  .

    Äîâåðèòåëüíûå îòíîñèòåëüíûå ïîãðåøíîñòè äåëüòà  îáðàçöîâûõ êàëèáðàòîðîâ

                                                  0

                                                                         -3

òîêà 3-ãî ðàçðÿäà ïðè äîâåðèòåëüíîé âåðîÿòíîñòè 0,95 ñîñòàâëÿþò îò 1 õ 10

         -1

äî 2 õ 10  .

2.4.3. Îáðàçöîâûå ñðåäñòâà èçìåðåíèé 3-ãî ðàçðÿäà ïðèìåíÿþò äëÿ ïîâåðêè ðàáî÷èõ àìïåðìåòðîâ íåïîñðåäñòâåííûì ñëè÷åíèåì è ìåòîäîì ïðÿìûõ èçìåðåíèé.

 

3. ÐÀÁÎ×ÈÅ ÑÐÅÄÑÒÂÀ ÈÇÌÅÐÅÍÈÉ

 

3.1.  êà÷åñòâå ðàáî÷èõ ñðåäñòâ èçìåðåíèé ïðèìåíÿþò òåðìîýëåêòðè÷åñêèå ïðåîáðàçîâàòåëè òîêà, ýëåêòðîäèíàìè÷åñêèå è ýëåêòðîìàãíèòíûå àìïåðìåòðû, êàëèáðàòîðû òîêà, ýëåêòðîííûå àíàëîãîâûå è öèôðîâûå àìïåðìåòðû.


 

    3.2.  Ïðåäåëû  äîïóñêàåìûõ  îòíîñèòåëüíûõ  ïîãðåøíîñòåé ÄÅËÜÒÀ  ðàáî÷èõ

                                                                  0

                                                                      -5

òåðìîýëåêòðè÷åñêèõ   ïðåîáðàçîâàòåëåé   òîêà   ñîñòàâëÿþò   îò  5 õ 10   äî

        -3

1,5 õ 10  .

    Ïðåäåëû    äîïóñêàåìûõ   ïðèâåäåííûõ   ïîãðåøíîñòåé   ÄÅËÜÒÀ    ðàáî÷èõ

                                                                îï

                                                                         -3

ýëåêòðîäèíàìè÷åñêèõ  è ýëåêòðîìàãíèòíûõ àìïåðìåòðîâ ñîñòàâëÿþò îò  1 õ 10

         -2

äî 4 õ 10  .

    Ïðåäåëû   äîïóñêàåìûõ   îòíîñèòåëüíûõ   ïîãðåøíîñòåé   ÄÅËÜÒÀ   ðàáî÷èõ

                                                                 0

                                      -4          -1

êàëèáðàòîðîâ òîêà ñîñòàâëÿþò îò 5 õ 10   äî 2 õ 10  .

    Ïðåäåëû   äîïóñêàåìûõ   îòíîñèòåëüíûõ   ïîãðåøíîñòåé   ÄÅËÜÒÀ   ðàáî÷èõ

                                                                 0

                                                                      -3

ýëåêòðîííûõ  àíàëîãîâûõ  è öèôðîâûõ àìïåðìåòðîâ   ñîñòàâëÿþò îò 5 õ 10   äî

      -1

4 õ 10  .

 

                     ÃÎÑÓÄÀÐÑÒÂÅÍÍÀß ÏÎÂÅÐÎ×ÍÀß ÑÕÅÌÀ

                  ÄËß ÑÐÅÄÑÒÂ ÈÇÌÅÐÅÍÈÉ ÑÈËÛ ÏÅÐÅÌÅÍÍÎÃÎ

                                               -8

                  ÝËÅÊÒÐÈ×ÅÑÊÎÃÎ ÒÎÊÀ ÎÒ 1 x 10   ÄÎ 25 À

                                                  6

                     ÄÈÀÏÀÇÎÍÅ ×ÀÑÒÎÒ 20 - 1 x 10  Ãö

 

┌──────┬──────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐

│ÝÒÀËÎ-│                                      ┌┬───────────────────────────────┬┐                                        

│ÍÛ                                          ││  ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÏÅÖÈÀËÜÍÛÉ  ││                                        

                                            ││ÝÒÀËÎÍ ÅÄÈÍÈÖÛ ÑÈËÛ ÏÅÐÅÌÅÍÍÎÃÎ││                                        

                                            ││      ÝËÅÊÒÐÈ×ÅÑÊÎÃÎ ÒÎÊÀ      ││                                        

                                            ││              -3               ││                                        

                                            ││        1 x 10   - 20 À        ││                                        

                                            ││                   6           ││                                        

                                            ││        20 - 1 x 10  Ãö        ││                                        

                                            └┴────────────────┬──────────────┴┘                                        

                                                              ├───────────────────┐                                    

                                                   /──────────┴─────────\                                             

                                                  /   Íåïîñðåäñòâåííîå   \                                             

                                                         ñëè÷åíèå                                                   

                                                                    -6                                               

                                                  │S         = 1 x 10   -│                                            

                                                  │ ýïñèëîí0                                                         

                                                        -6                                                          

                                                  \5 x 10                /                                             

                                                   \──────────┬─────────/                                             

                                    ┌─────────────────────────┤                                                        

                         ┌──────────┴──────────┐  ┌───────────┴──────────┐                                            

                           ÝÒÀËÎÍÛ ÑÐÀÂÍÅÍÈß       ÐÀÁÎ×ÈÅ ÝÒÀËÎÍÛ                                                 

                               -3         -1          -3                                                          

                         │1 x 10   - 1 x 10   À  │1 x 10   - 25 À                                                    

                                    6                      6                                                      

                         │20 - 1 x 10  Ãö        │20 - 1 x 10  Ãö                                                   

                                         -6                       -5                                              

                         │S       = 5 x 10   - │  │S       = 1,5 x 10   -│                                            

                        │ ÑÈÃÌÀ0                │ ÑÈÃÌÀ0                                                           

                               -4                       -4                                                        

                         │3 x 10                 │6,5 x 10                                                          

                         └─────────────────────┘  └────────┬─────────────┘                                            

├──────┼── --- --- --- --- --- --- --- --- --- --- --- --- ──┼ --- --- --- --- --- ─┼─ --- --- --- --- --- --- --- --- ───┤

│Îáðàç-│                                                     │ ┌────────────────────┘                                    

öîâûå                       ┌───────────────────┐         │ │  ┌──────────────────────────┐┌──────────────────────────┐│

│ñðåä-                       │Îáðàçöîâûå ìåðû ÝÄÑ│         │ │    Îáðàçöîâûå îäíîçíà÷íûå  ││Îáðàçöîâûå ìåðû íàïðÿæåíèÿ││

ñòâà                            2-ãî ðàçðÿäà             │ │     ìåðû ýëåêòðè÷åñêîãî    ││ è îáðàçöîâûå âîëüòìåòðû  ││

èçìå- │                                       -6 │         │ │  │ñîïðîòèâëåíèÿ 2-ãî ðàçðÿäà││       1-ãî ðàçðÿäà       ││

│ðåíèé,│                       │äåëüòà  = 2 x 10            │ │                  -4        ││                -4        ││

çàèì- │                             0                     │ │  │äåëüòà  = 1 x 10   -      ││äåëüòà  = 1 x 10   -      ││

ñòâî-                       │Îáðàçöîâûå ìåðû ÝÄÑ│         │ │        0                   ││      0                   ││

│âàííûå│                          3-ãî ðàçðÿäà             │ │        -4                  ││      -2                  ││

│èç                                            -6│         │ │  │3 x 10  %                 ││2 x 10                    ││

│äðóãèõ│                       │äåëüòà  = 10 x 10           │ │    Îáðàçöîâûå îäíîçíà÷íûå  ││Îáðàçöîâûå ìåðû íàïðÿæåíèÿ││

ïîâå- │                             0                     │ │     ìåðû ýëåêòðè÷åñêîãî    ││ è îáðàçöîâûå âîëüòìåòðû  ││

ðî÷íûõ                                                   │ │  │ñîïðîòèâëåíèÿ 3-ãî ðàçðÿäà││       2-ãî ðàçðÿäà       ││

│ñõåì                         │(ñì. ÃÎÑÒ 8.027-81)│         │ │                  -4        ││                -4        ││

                             └──────────┬────────┘         │ │  │äåëüòà  = 3 x 10   -      ││äåëüòà  = 5 x 10   -      ││

                                                          │ │        0                   ││      0                   ││

                                                          │ │        -3                  ││      -2                  ││

                                                          │ │  │1 x 10  %                 ││8 x 10                    ││

                                                          │ │  │(ñì. ÃÎÑÒ 8.028-86)       ││(ñì. ÌÈ 1935-88)          ││

                                                          │ │  └─────────────────────┬──┬─┘└────────────────┬─────────┘│

                                                /─────────┴─┴──────\                                               

                                               /  Íåïîñðåäñòâåííîå  \                                              

                                                     ñëè÷åíèå                                                    

                                      ┌─┘                       -6                                                 

├──────┼── --- --- --- --- --- --- --- ─┼─ --- ───┤ÄÅËÜÒÀ' = 2 x 10   -├── --- --- --- ─┼─ ┼── --- --- --- --- ┼── --- ───┤

│Îáðàç-│                                               0                                                           

öîâûå                                               -5                                                          

│ñðåä- │                                         \1 x 10              /                                              

ñòâà                                 ┌┼┐         \──────────────┬───/                                               

èçìå- │ ┌─────────────────────────────┘│└────────────────────────┤                                                   

│ðåíèé │ │                                     ┌─────────────────┴───────────────┐                                   

│1-ãî  │ │                                       Îáðàçöîâûå òåðìîýëåêòðè÷åñêèå                                     

│ðàç-  │ │                                     │ïðåîáðàçîâàòåëè òîêà 1-ãî ðàçðÿäà│                                   

│ðÿäà  │ │                                           -3                                                            

      │ │                                     │1 x 10   - 25 À                                                     

      │ │                                                6                                                        

      │ │                                     │20 - 4 x 10  Ãö                                                     

      │ │                                                     -5           -3                                     

      │ │                                     │äåëüòà  = 5 x 10   - 1,5 x 10                                       

      │ │                                           0                                                             

      │ │                                     └─────────────────┬───────────────┘                                   

      │ │                              └─┬───────────────────────┼─────────────────────┤                              

      │ │                               ┌┼┐                     ┌┼┐                   ┌┼┐ │                            

      │ │          ┌────────────────────┘│└─────────────────────┘│└───────────────────┘│└─┴───────────────────┤         

      │ │ /────────┴────────\   /────────┴─────────\   /─────────┴────────\   /────────┴─────────\   /────────┴────────\ │

      │ │/  Ìåòîä êîñâåííûõ  \ /Ñëè÷åíèå ïðè ïîìîùè \ /  Íåïîñðåäñòâåííîå  \ /Ñëè÷åíèå ïðè ïîìîùè \ /  Ìåòîä êîñâåííûõ  \│

      │ ││     èçìåðåíèé     │ │    êîìïàðàòîðà     │ │      ñëè÷åíèå      │ │    êîìïàðàòîðà     │ │     èçìåðåíèé     ││

      │ ││                -5 │ │                -5  │ │                -6  │ │                -5  │ │                -5 ││

├──────┼─┼┤ÄÅËÜÒÀ' = 5 x 10   ├ ┤ÄÅËÜÒÀ' = 5 x 10   -├ ┤ÄÅËÜÒÀ' = 5 x 10   -├ ┤ÄÅËÜÒÀ' = 5 x 10   -├ ┤ÄÅËÜÒÀ' = 5 x 10   ├┤

│Îáðàç-│ ││      0            │ │      0             │ │      0             │ │      â             │ │      ñ            ││

öîâûå │ ││        -4         │ │      -4            │ │      -5            │ │      -4            │ │        -3         ││

│ñðåä- │ │\- 1 x 10           / \1 x 10              / \5 x 10              / \2 x 10              / \- 1 x 10           /│

ñòâà  │ │ \────────┬────────/   \─────────┬────────/   \─────────┬────────/   \────────┬─────────/   \────────┬────────/ │

èçìå- │ │          └────────┐   ┌─────────┘                                                                          

│ðåíèé │ │   ┌───────────────┴─┬─┘                                                                                    

│2-ãî  │ │         ┌──────────┴───────────┐            ┌─────────┴──────────┐                                         

│ðàç-  │ │         │Îáðàçöîâûå êàëèáðàòîðû│            │Ïîâåðî÷íûå óñòàíîâêè│                                          

│ðÿäà  │ │           òîêà 2-ãî ðàçðÿäà                   2-ãî ðàçðÿäà                                             

      │ │               -5                                -4                                                     

      │ │         │1 x 10   - 25 À                   │1 x 10   - 25 À                                              

      │ │                    4                                 4                                                 

      │ │         │20 - 1 x 10  Ãö                   │40 - 2 x 10  Ãö                                              

      │ │                         -4                                -3                                           

      │ │         │äåëüòà  = 5 x 10   -              │äåëüòà  = 2 x 10   -│                               ┌┘         

      │ │               0                                 0                                                      

      │ │               -3                                -4                                                     

      │ │         │2 x 10                            │2 x 10                                                       

      │ │         └──────────┬───────────┘            └──────────┬─────────┘                                         

      │ │          /─────────┴──────────\              /─────────┴────────\                                          

      │ │         /Ìåòîä ïðÿìûõ èçìåðåíèé\            /Ñëè÷åíèå ïðè ïîìîùè \                                         

      │ │                         -5                    êîìïàðàòîðà                                              

├──────┼─┼ ──┼ --- ─┤ÄÅËÜÒÀ' = 5 x 10   -  ├── --- --- ─┤                -5  ├── --- ───│─── --- --- --- --- ─┼─ --- --- ─┤

│Îáðàç-│ │               0                           │ÄÅËÜÒÀ' = 1 x 10   -│                                         

öîâûå │ │               -4                                0                                                      

│ñðåä- │ │         \2 x 10                /                  -4                                                     

ñòâà  │ │          \─────────┬──────────/             \1 x 10              /                                         

èçìå- │ │                                             \─────────┬────────/                                          

│ðåíèé │ │                    └───────────────┐      ┌────────────┘                    ├─────────────────┐             

│3-ãî  │ │                    ┌─────────────┬─┴──────┴──────────┐   ┌──────────────────┘                 └─┬─┴──────────┐│

│ðàç-  │ │         ┌──────────┴───────────┐ │          ┌────────┴───┴────────┐                  ┌──────────┴───────────┐││

│ðÿäà  │ │         │Îáðàçöîâûå àìïåðìåòðû │ │          │Îáðàçöîâûå àìïåðìåòðû│                  │Îáðàçöîâûå êàëèáðàòîðû│││

      │ │              3-ãî ðàçðÿäà     │ │              3-ãî ðàçðÿäà                         òîêà 3-ãî ðàçðÿäà   │││

      │ │               -3              │ │                -4                                     -8              │││

      │ │         │5 x 10   - 25 À       │ │          │2 x 10   - 25 À                        │1 x 10   - 10 À       │││

      │ │                      3        │ │                     5                                      4          │││

      │ │         │40 - 1,5 x 10  Ãö     │ │          │40 - 1 x 10  Ãö                        │20 - 2 x 10  Ãö       │││

      │ │                          -3   │ │                           -3                                    -3    │││

      │ │         │äåëüòà   = 1 x 10   - │ │          │äåëüòà   = 5 x 10                      │äåëüòà  = 1 x 10   -  │││

      │ │               îï              │ │                âï                                     ñ               │││

      │ │               -3              │ │          └──────────┬──────────┘                        -1              │││

      │ │         │2 x 10                │ │                                                  │2 x 10                │││

      │ │         └──────────┬───────────┘ │                                                  └────────────┬─────────┘││

      │ │            /───────┴────────\                 /───────┴────────\                     /───────────┴────────\ ││

      │ │           / Íåïîñðåäñòâåííîå \               / Íåïîñðåäñòâåííîå \                   /Ìåòîä ïðÿìûõ èçìåðåíèé\││

      │ │               ñëè÷åíèå                         ñëè÷åíèå                                        -4    │││

├──────┼─┼ ──┼ --- ───┤                -4├─ ─┼─ --- --- ──┤                -4├─ --- --- --- --- ─┤ÄÅËÜÒÀ' = 1 x 10   -  ├┼┤

Ðàáî- │ │           │ÄÅËÜÒÀ' = 1 x 10                 │ÄÅËÜÒÀ' = 2 x 10                           0               │││

÷èå   │ │           \      0           /               \      0           /                         -3              │││

│ñðåä- │ │            \───────┬────────/                 \───────┬────────/                    \1 x 10                /││

ñòâà  │ │                   ┌┼┐           ┌┼┐                   ┌┼┐                             \───────────┬────────/ ││

èçìå- │ │   └────────────────┘│└───────────┘│└───────────────────┘│└────────────────┐                       ┌┼┐         ││

│ðåíèé │ │                                 ┌┼┐                                        ┌───────────────────┘│└──┬──────┘│

      │ │                     └────────────┘│└─────────────────┐                  ┌┼┐ ┌┼┐                            

      │ └─────────┐                         ├───────────────┐    ├────────────────┘│└─┘│└───────────────┐            

      │┌──────────┴─────────┐┌──────────────┴──────┐┌───────┴──┴──┴───────┐┌────────┴───┴───────┐┌───────┴───┴───┴──────┐│

      ││ Òåðìîýëåêòðè÷åñêèå ││      Àìïåðìåòðû     ││     Àìïåðìåòðû      ││  Êàëèáðàòîðû òîêà  ││Àìïåðìåòðû ýëåêòðîííûå││

      ││ïðåîáðàçîâàòåëè òîêà││ ýëåêòðîäèíàìè÷åñêèå ││   ýëåêòðîìàãíèòíûå  ││      -8            ││àíàëîãîâûå è öèôðîâûå ││

      ││      -3            ││      -3             ││      -4             ││1 x 10   - 25 À     ││      -7              ││

      ││1 x 10   - 25 À     ││5 x 10   - 25 À      ││2 x 10   - 25 À      ││           4        ││1 x 10   - 25 À       ││

      ││           6        ││             3       ││           4         ││20 - 2 x 10  Ãö     ││           6          ││

      ││20 - 1 x 10  Ãö     ││40 - 1,5 x 10  Ãö    ││40 - 2 x 10  Ãö      ││                -4  ││20 - 1 x 10  Ãö       ││

      ││                -5  ││                 -3  ││                 -3  ││äåëüòà  = 5 x 10   -││                -3    ││

      ││äåëüòà  = 5 x 10   -││äåëüòà   = 5 x 10   -││äåëüòà   = 5 x 10   -││      0             ││äåëüòà  = 5 x 10   -  ││

      ││      0             ││      îï             ││      îï             ││      -1            ││      0               ││

      ││        -3          ││      -3             ││      -2             ││2 x 10              ││      -1              ││

      ││1,5 x 10            ││2 x 10               ││4 x 10               ││                    ││4 x 10                ││

      │└────────────────────┘└─────────────────────┘└─────────────────────┘└────────────────────┘└──────────────────────┘│

                                                                                                                       

      │S         è ÄÅËÜÒÀ' - ïîãðåøíîñòè ïåðåäà÷è ðàçìåðà åäèíèöû.                                                       

      │ ýïñèëîí0         0                                                                                              

└──────┴──────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

 

 

 


 
© Èíôîðìàöèîííî-ñïðàâî÷íàÿ îíëàéí ñèñòåìà "Òåõíîðìà.RU" , 2010.
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