可代替QJ23a、QJ23、QJ24等單臂電橋（惠斯登電橋）。 數字直流電橋系列——榮獲上海市技術成果轉化項目。
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實驗室離子計：
PXS-270,PXSJ-216,PXSJ-226,PXS-215,DWS-51,DWS-51-1,DWS-295,DWS-296,
實驗室滴定儀：
ZDY-500,ZD-2,ZDJ-4A,ZDJ-5,ZYT-1,ZYT-2,ZSD-1,ZSD-2,ZSD-2J,ZD-3A,
分析儀：
DZS-706,DZS-707,DZS-708,DZS-718,COD-571,COD-571-1,COD-572,KLS-411,ZDY-501,44B,ZF-2,ZF-2C,ZB-1C, GXG-201,
紫外分析儀：
ZF-I,ZF-20C,ZF-20D,ZF-401A,ZF-401B,ZF-501A,ZF-501B,ZF-90A,ZF-90B,ZF-7A,ZF-7B,ZF-7C,ZF-7D,ZQJ-254,ZF-4,WFH-203B,WFH-204A,WFH-204B,WFH-204,WFH-201BJ,WFH-201B,WFH-202B,WFH-201A,WFH-202,WFH-205B,HD-9706,HD-9707,HD-9704,HD-9705,HD-1,HD-2,HD-3, HD-4,HD-5,HD-A,HA-B,HD-S,ZF-C,ZF-5,
可見分光光度計：
721,721N,721-100,722N,722S,7230G,723N,751GD,752N,754N,755B,UV759,UV759S,756MC, 756CRT,UV757,UV757CRT,UV762,UV765,UV765CRT,UV765PC,760CRT,361MC,361CRT,AA320N, AA320NCRT,AA370MC,3510,4510,4510F,4530,4530F,930A,960MC,960CRT,970CRT,6400A,FP640,FP6410,RP508,721S,S22PC,722SP,725S,S23A,S24,S52,752S,752SP,755S,GOLDS53,S54, 765S,S400,S410,F93,F95,F96,DA620S,UV-7502PCS,UV-7502PC,UV-7502CS,UV-7502C,UV-7504PC,UV-7504C,UV-7504,723PCS,723PC,723C,722-100,722,723,752,754,754PC,756,7600MC,7600CRT,7601MC,7601CRT,
色譜儀：
GC102AF, GC102AT, GC102M, GC102NJ, GC112A, GC122, GC112A-TCD, GC122-TCD, GC122-ECD, GC-122FPD, GC122-NPD, LC-200, MD-1, MD-2, MD-3, HD-A, XWT-1044S, 3057-11, CXG-A, MA-1, MA-2, MA-3, MB-1, MB-2, MB-3,
在線環保監測儀：
COD-580,DWG-8002A,SJG-705,SJG-208,SJG-203A,PHG-21D,PHGF-43,PHG-217D,PHGF-27B,PHG-243,DWG-8004,DWG-8003,COD-582,ZDJ-520, PHG-217D-1,PHG21D,PHG-21D-1,
PHG-7685A, SJG-7835A,DWG-8025A,
色度儀:
WSF,WSF-J,WSC-S,WSB-L,WJL,WQL,WGW, XZR-2B,XZR-2J,SD9011,SD9012,
