²»È·¶¨¶ÈÆÀ¹À±¨¸æ(µçѹ)2014-2-20

µçѹ£¨µçÁ÷£©²âÁ¿½á¹ûµÄ²»È·¶¨¶ÈÆÀ¶¨

1£® ¸ÅÊö

ÔÚ23 Ìõ¼þÏ£¬¿ª»ú2Сʱºòºó£¬Ñ¡È¡Êʵ±µÄÁ¿³Ì£¬ÔÚ²âÁ¿ÓÃÉ豸´¦ÓÚͳ¼Æ¿ØÖƵÄÇé¿öÏÂʱ£¬µç·ÖÐͨÒÔºãÁ÷£¨Ñ¹£©Ô´£¬²âÁ¿µç·ÖеçÁ÷£¨µçѹ£©¡£²¢¸ø³ö²âÁ¿½á¹ûµÄ²»È·¶¨¶È¡£ ʹÓÃÉ豸£º°²½ÝÂ×Êý×ÖÍòÓÃ±í£¨34405A£© Á¿³Ì ×î´óÔÊÐíÎó²î £¨¶ÁÊý+Á¿³Ì£©% Ö±Á÷µçѹ VDC(V) 10V 0.0035+0.0005 Ö±Á÷µçÁ÷ IDC(A) 100mA 0.050+0.005 ½»Á÷µçѹ VAC(V) 1kHz 100V 0.06+0.03 ½»Á÷µçÁ÷ IAC(A) 1kHz 1A 0.10+0.04 ±»²âÁ¿µçÔ´£ºÖ±Á÷±ê³Æµçѹ10V£¬µçÁ÷50mA£»½»Á÷±ê³Æµçѹ50.0V£¬µçÁ÷0.5A¡£

2£® ²âÁ¿Ä£ÐÍ

ÔÚ±¾ÊÔÑéÖÐÊäÈëÁ¿X¼´ÎªÊä³öÁ¿Y¡£ÒòΪ´ËÓÐÊýѧ¹«Ê½£º

Y(I) = X(I)+ ºÍ Y(V) = X(V)+

X(I)£ºÎª±»²âµçÁ÷ֵƽ¾ùÖµ X(V)£ºÎª±»²âµçѹֵƽ¾ùÖµ £ºÎªÒÇÆ÷ÐÞÕýÖµ

3£® ²»È·¶¨¶ÈÀ´Ô´·ÖÎö

¸ù¾ÝJJG124-2005¡¶µçÁ÷±í£¬µçѹ±í£¬¹¦ÂÊ±í£¬µç×è±í¡·ÒÔ¼°É豸ÒÇÆ÷ʹÓÃ˵Ã÷Êé¡£ÍòÓñíÎó²îÀ´×ÔÓÚÒÔÏÂ×î´óÔÊÐíÎó²î£¬ÐÞÕýÖµ£¨Æ«ÀëÁã룩£¬ÒÔ¼°²âÊÔÖØ¸´ÐÔºÍÉ豸ÒÇÆ÷·Ö±æÂÊÕ⼸¸ö·½Ãæ·ÖÁ¿¡£ ÐòºÅ 1 2 3 4

ÒýÆð²»È·¶¨¶Èu£¨y£©µÄÖеĸ÷À´Ô´±ê׼ƫ²î·ÖÁ¿ ÓɲâÁ¿±¾ÉíµÄÖØ¸´ÐÔÒýÆðµÄÆ«²î£¬Æä²»È·¶¨¶ÈΪu1¡£ ÓɲâÊÔÉ豸µÄ×î´óÔÊÐíÎó²îÒýÆðÆ«²î£¬Æä²»È·¶¨¶ÈΪu2¡£ ÓɲâÊÔÉ豸×ÔÉíÁéÃô¶ÈÒýÆðµÄÆ«²î£¬Æä²»È·¶¨¶ÈΪu3¡£ ÓɲâÊÔÉ豸µÄÐÞÕýÖµ£¨Æ«ÀëÁã룩ÒýÆðµÄ²»È·¶¨¶ÈΪu4¡£ ʹÓÃÆÀ¶¨·½·¨ ʹÓÃAÀà·½·¨ÆÀ¶¨ ʹÓÃBÀà·½·¨ÆÀ¶¨ ʹÓÃBÀà·½·¨ÆÀ¶¨ ʹÓÃBÀà·½·¨ÆÀ¶¨ 4£® ±ê×¼²»È·¶¨¶ÈµÄÆÀ¶¨

4.1²âÁ¿Öظ´ÐÔÒýÆðµÄ±ê×¼²»È·¶¨¶È²ÉÓÃAÀà·½·¨½øÐÐÆÀ¶¨¡£¶ÔÿһÑùÆ·ÖØ¸´²âÁ¿10´Î¡£ ±ê×¼²î°´±´Èû¶û¹«Ê½¼ÆË㣺

ÐòºÅ 1 2 3 4 5 6 7 8 9 10 ƽ¾ùÖµx ±ê׼ƫ²îs

ÆäÖвâÁ¿½á¹ûµÄËãÊõƽ¾ùÖµ×÷ΪÊäÈëÁ¿µÄÎÞÆ«¹À¼ÆÖµ£¬Æä²»È·¶¨¶Èu1µÄ¼ÆË㹫ʽÈçÏÂ

Ö±Á÷µçѹ VDC(V) 9.9992 9.9994 9.9997 9.9989 9.9996 9.9991 9.9986 9.9993 9.9984 9.9989 9.99911 0.000418 Ö±Á÷µçÁ÷ IDC(mA) 49.999 49.998 50.001 49.997 50.001 49.997 50.003 49.998 50.003 50.000 49.9997 0.00226 ½»Á÷µçѹ VAC(V) 49.969 49.977 49.968 49.971 49.966 49.979 49.983 49.987 49.989 49.992 49.9781 0.00942 ½»Á÷µçÁ÷ IAC(A) 0.49979 0.49988 0.49981 0.49983 0.49991 0.49976 0.49986 0.49990 0.49984 0.49994 0.499852 0.0000567 u1=u( )=s( )=

Ö±Á÷µçѹ VDC(V) 0.000132 Ö±Á÷µçÁ÷ IDC(mA) 0.00071 ½»Á÷µçѹ VAC(V) 0.00298 ½»Á÷µçÁ÷ IAC(A) 0.0000179 ±ê×¼²»È·¶¨¶Èu1

4.2ÓɲâÊÔÉ豸×ÔÉí×î´óÔÊÐíÎó²îÒýÈëµÄ²»È·¶¨¶È²ÉÓÃBÀà·½·¨½øÐÐÆÀ¶¨¡£¸ù¾ÝÉ豸ʹÓÃ˵Ã÷Ê飬É豸ÔÚ1Äêʱ¼äÄÚ£¬23 Ìõ¼þÏ£¬×î´óÔÊÐíÎó²îÈçÏÂ±í£¬ÉèÆä·Ö²¼Îª¾ùÔÈ·Ö²¼£¬²é±íµÃk= ¡£ÔòÉ豸×î´óÔÊÐíÎó²îÒýÆðµÄ±ê×¼²»È·¶¨¶Èu2Ϊ£º

¸÷Á¿³Ì²âÁ¿×î´óÔÊÐíÎó²î

Á¿³Ì ×î´óÔÊÐíÎó²î £¨¶ÁÊý+Á¿³Ì£©% ×î´óÔÊÐíÎó²î ±ê×¼²»È·¶¨¶Èu2 Ö±Á÷µçѹ VDC(V) 10V 0.0035+0.0005 0.0004 0.00023 Ö±Á÷µçÁ÷ IDC(A) 100mA 0.050+0.005 0.0000525 0.0000303 ½»Á÷µçѹ VAC(V) 1kHz 100V 0.06+0.03 0.075 0.043 ½»Á÷µçÁ÷ IAC(A) 1kHz 1A 0.10+0.04 0.0012 0.00069

4.3ÓɲâÊÔÉ豸×ÔÉíÁéÃô¶ÈÒýÈëµÄ²»È·¶¨¶È²ÉÓÃBÀà·½·¨½øÐÐÆÀ¶¨¡£¸ù¾ÝÉ豸ʹÓÃ˵Ã÷Ê飬²âÁ¿Ö±Á÷µçѹ£¬µçÁ÷ʱ£¬É豸×ÔÉíÁéÃô¶ÈΪ6 룬²âÁ¿½»Á÷µçѹ£¬µçÁ÷ʱ£¬É豸×ÔÉíÁéÃô¶ÈΪÁ¿³ÌµÄ1%¡£É豸ÔÚÖ±Á÷ºÍ½»Á÷²»Í¬Á¿³ÌϵÄÁéÃô¶È¼ûÏÂ±í£¬ÉèÆä·Ö²¼Îª¾ùÔÈ·Ö²¼£¬²é±íµÃk= ¡£ÔòÉ豸×î´óÔÊÐíÎó²îÒýÆðµÄ±ê×¼²»È·¶¨¶Èu3Ϊ£º

¸÷Á¿³Ì²âÁ¿ÁéÃô¶È

Á¿³Ì ²âÁ¿ÁéÃô¶È ÒýÆðµÄÎó²î ±ê×¼²»È·¶¨¶Èu3 Ö±Á÷µçѹ VDC(V) 10V Á¿³ÌµÄ0.001% 0.0001 0.000058 Ö±Á÷µçÁ÷ IDC(A) 100mA Á¿³ÌµÄ0.001% 0.000001 0.00000058 ½»Á÷µçѹ VAC(V) 1kHz 100V Á¿³ÌµÄ1% 1 0.58 ½»Á÷µçÁ÷ IAC(A) 1kHz 1A Á¿³ÌµÄ1% 0.01 0.0058

4.4ÓɲâÊÔÉ豸µÄÐÞÕýÖµ£¨Æ«ÀëÁã룩ÒýÆðµÄ²»È·¶¨¶ÈΪu4¡££¨ÊÓÇé¿ö¶ø¶¨£©

µ±²âÁ¿Ö±Á÷µçѹ£¬µçÁ÷ÊÇÇÒûÓдò¿ª×Ô¶¯Ð£Á㹦ÄÜÊÇ£º =0.0002%Á¿³Ì+0.005mV µ±²âÁ¿½»Á÷µçѹ£¬µçÁ÷ÊÇÎÞ´ËÏîÎó²î¡£ =0

¸÷Á¿³Ì²âÁ¿µÄÐÞÕýÖµ

Á¿³Ì ±ê×¼²»È·¶¨¶Èu4

Ö±Á÷µçѹ VDC(V) 10V 0.007mV Ö±Á÷µçÁ÷ IDC(A) 100mA 0.007mV ½»Á÷µçѹ VAC(V) 1kHz 100V 0 ½»Á÷µçÁ÷ IAC(A) 1kHz 1A 0

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@) ËÕICP±¸20003344ºÅ-4