2SHUDWLQJ LQVWUXFWLRQV
80
9
&*&
7HVWLQJ DQG FRPPLVVLRQLQJ
*HQHUDO
3UHUHTXLVLWH IRU FRPPLVVLRQLQJ LV WKH FRPSOHWLRQ RI
WKH SUHSDUDWLRQ SURFHGXUHV GHWDLOHG LQ &KDSWHU
+D]DUGRXV YROWDJHV DUH SUHVHQW LQ WKLV
HOHFWULFDO HTXLSPHQW GXULQJ RSHUDWLRQ
1RQREVHUYDQFH RI WKH VDIHW\ UXOHV FDQ UH
VXOW LQ VHYHUH SHUVRQDO LQMXU\ RU SURSHUW\
GDPDJH
2QO\ TXDOLILHG SHUVRQQHO VKDOO ZRUN RQ DQG
DURXQG WKLV HTXLSPHQW DIWHU EHFRPLQJ
WKRURXJKO\ IDPLOLDU ZLWK DOO ZDUQLQJV DQG
VDIHW\ QRWLFHV RI WKLV PDQXDO DV ZHOO DV
ZLWK WKH DSSOLFDEOH VDIHW\ UHJXODWLRQV
3DUWLFXODU DWWHQWLRQ PXVW EH GUDZQ WR WKH
IROORZLQJ
7KH HDUWKLQJ VFUHZ RI WKH GHYLFH PXVW
EH FRQQHFWHG VROLGO\ WR WKH SURWHFWLYH
HDUWK FRQGXFWRU EHIRUH DQ\ RWKHU FRQ
QHFWLRQ LV PDGH
+D]DUGRXV YROWDJHV FDQ EH SUHVHQW
RQ DOO FLUFXLWV DQG FRPSRQHQWV FRQ
QHFWHG WR WKH VXSSO\ YROWDJH RU WR WKH
PHDVXULQJ DQG WHVW TXDQWLWLHV
+D]DUGRXV YROWDJHV FDQ EH SUHVHQW LQ
WKH GHYLFH HYHQ DIWHU GLVFRQQHFWLRQ RI
WKH VXSSO\ YROWDJH VWRUDJH FDSDFL
WRUV
7KH OLPLW YDOXHV JLYHQ LQ WKH 7HFKQLFDO
GDWD 6HFWLRQ PXVW QRW EH H[
FHHGHG DW DOO QRW HYHQ GXULQJ WHVWLQJ
DQG FRPPLVVLRQLQJ
:DUQLQJ
:KHQ WHVWLQJ WKH XQLW ZLWK D VHFRQGDU\ LQMHFWLRQ WHVW
VHW LW PXVW EH HQVXUHG WKDW QR RWKHU PHDVXUHG YDO
XHV DUH FRQQHFWHG DQG WKDW WKH WULSSLQJ OHDGV WR WKH
FLUFXLW EUHDNHU WULSFRLOV KDYH EHHQ LQWHUUXSWHG
6HFRQGDU\ FRQQHFWLRQV RI WKH FXUUHQW
WUDQVIRUPHUV PXVW EH VKRUWFLUFXLWHG
EHIRUH WKH FXUUHQW OHDGV WR WKH UHOD\ DUH
LQWHUUXSWHG
,I D WHVW VZLWFK LV LQVWDOOHG ZKLFK DXWRPDWL
FDOO\ VKRUWFLUFXLWV WKH FXUUHQW WUDQVIRUPHU
VHFRQGDU\ OHDGV LW LV VXIILFLHQW WR VHW WKLV
VZLWFK WR WKH k7HVWl SRVLWLRQ 7KH VKRUWFLU
FXLW VZLWFK PXVW EH FKHFNHG EHIRUHKDQG
UHIHU WR 6HFWLRQ
'$1*(5
,W LV UHFRPPHQGHG WKDW WKH DFWXDO VHWWLQJV IRU WKH
UHOD\ EH XVHG IRU WKH WHVWLQJ SURFHGXUH ,I WKHVH YDO
XHV DUH QRW \HW DYDLODEOH WHVW WKH UHOD\ ZLWK WKH IDF
WRU\ VHWWLQJV ,Q WKH IROORZLQJ GHVFULSWLRQ RI WKH WHVW
VHTXHQFH WKH SUHVHW VHWWLQJV DUH DVVXPHG XQOHVV
RWKHUZLVH QRWHG IRU GLIIHUHQW VHWWLQJ YDOXHV IRUPX
ODH DUH JLYHQ ZKHUH QHFHVVDU\
7KH XVH RI D WKUHHSKDVH WHVW VHW ZKLFK DSSOLHV WKUHH
SKDVH YROWDJH WR 9 LV UHFRPPHQGHG IRU VHF
RQGDU\ WHVWLQJ ,Q WKH IROORZLQJ WHVW SURFHGXUH GH
VFULSWLRQV WKH XVH RI VXFK D WHVW VHW LV DVVXPHG )RU
FRDUVH IXQFWLRQ WHVWLQJ D VLQJOHSKDVH YROWDJH
VRXUFH ZRXOG EH VXIILFLHQW KRZHYHU SLFNXS YDOXHV
FDQQRW EH DOZD\V REWDLQHG
,I XQV\PPHWULFDO YROWDJHV RFFXU GXULQJ WKH WHVWV LW LV
OLNHO\ WKDW WKH DV\PPHWU\ PRQLWRULQJ ZLOO IUHTXHQWO\
RSHUDWH 7KLV LV RI QR FRQFHUQ EHFDXVH WKH FRQGLWLRQ
RI VWHDG\VWDWH PHDVXUHG YDOXHV LV PRQLWRUHG DQG
XQGHU QRUPDO RSHUDWLQJ FRQGLWLRQV WKHVH DUH V\P
PHWULFDO XQGHU VKRUW FLUFXLW FRQGLWLRQV WKHVH PRQL
WRULQJ V\VWHPV DUH QRW HIIHFWLYH
127(
7KH DFFXUDF\ ZKLFK FDQ EH DFKLHYHG GXULQJ
WHVWLQJ GHSHQGV RQ WKH DFFXUDF\ RI WKH WHVWLQJ
HTXLSPHQW 7KH DFFXUDF\ YDOXHV VSHFLILHG LQ WKH
7HFKQLFDO GDWD FDQ RQO\ EH UHSURGXFHG XQGHU WKH
UHIHUHQFH FRQGLWLRQV VHW GRZQ LQ ,(& UHVS
9'( SDUW DQG ZLWK WKH XVH RI SUHFLVLRQ
PHDVXULQJ LQVWUXPHQWV 7KH WHVWV DUH WKHUHIRUH WR EH
ORRNHG XSRQ SXUHO\ DV IXQFWLRQDO WHVWV
www
. ElectricalPartManuals
. com