用途：本儀器內附晶體管放大檢流計和能內附工作電源。適用于工礦企業、實驗室或車間現場以及野外工作場所作直流電阻測量之用。
用來測量其范圍內的直流電阻、金屬導體的電阻率、導線電阻、直流分流器電阻、開關、電器的接觸電阻及各類電機、變壓器的繞線電阻和升溫試驗等 QJ49a/FMQJ49a直流單臂電阻電橋技術參數:測量范圍: 1Ω～1.1111MΩ精度: 0.05%
分析儀器:
RZY-1,RZY-2,WRT-3P,CDR-4P,CDR-34P,CRY-1P,CRY-2P,CRY-31P,CRY-32P,ZRY-1P,ZRY-2P,
ZRY-32P, RJY-1P, MA99-1, MA99-2, MA99-2A, MA99-3, MB99-1, MA99-2, MA99-2A, MA99-3, MC99-2, MC99-3, MD99-1, MD99-2, MD99-2A, MD99-3, ME99-1, ME99-2, ME99-3, MF99-1, MF99-2, MF99-3, BS-16A, BS-30A, BS-100A, BS-160A, BS-100N, BSZ-16, BSZ-30, BSZ-40, SZ-100, BSZ-160, SBS-100, SBS-160, DBS-100, DBS-160, CBS-A, CBS-B, CBS-C, JLF-A, WH-1, WH-2, WH-3, XW-80A,
油口分析測量儀器：
SYD-267,SYD-3536,SYD-3536A,SYD-3536B,SYD-3536D,SYD-261,SYD-261A,SYD-261B,SYD-261D,WNE-1A,WNE-1B,SYD-260,SYD-260A,SYD-2122,SYD-2122A,SYD-2122B,SYD-265B,SYD-265C,SYD-265D,SYD-265D-1,SYD-265H,SYD-265C-2,SYD-265G,SYD-265-2,SYD-255,SYD-255G,SYD-6536,SYD-6536A,SYD-6536B,SYD-6536C,SYD-0165,SYD-1884,SYD-510,SYD-510B,SYD-510-I,SYD-510G,SYD-510G-I,SYD-510E,SYD-510G-II,SYD-510D,SYD-510F1,SYD-510Z-I,HWY-ND,SYD-2430,SYD-11143,SYD-5096A,SYD-5096,SYD-0232,SYD-268,SYD-30011,SYD-7305,SYD-7305A,SYD-12579,SYD-8019,SYD-509A,SYD-8017,SYD-8017A,SYD-0089,SYD-8018D,SYD-0175,SYD-0206,SYD-0193,SYD-11132,SYD-2801A,SYD-2801C,SYD-2801G,SYD-270A,SYD-380B, SYD-387,SYD-259,SYD-264,SYD-264A,SYD-511B,SYD-508,SYD-0168,SYD-0324,SYD-262,SYD-262A,SYD-8929,SYD-3069,SYD-6532,SYD-1792,SYD-3554,SYD-706,SYD-6541,SYD-17623,SYD-0308,SYD-421,SYD-507,
瀝青檢測類儀器：
SYD-2806,SYD-2806E,SYD-2806F,SYD-2806G,SYD-2806H,SYD-4508A,SYD-4508B,SYD-4508C, SYD-4508D,SYD-4508F,SYD-4508G,SYD-2801D,SYD-2801D1,SYD-2801E,SYD-2801E1,SYD-2801F,SYD-2801I,SYD-0722,SYD-0722A,SYD-0615,SYD-0609,SYD-0610,SYD-265E,SYD-0620,SYD-0711A,SYD-0334,SYD-0631,SYD-0621,WNE-1C,SYD-0623,SYD-0624,SYD-0633,SYD-255A, PAV-1,SYD-XY150,SYD-0613,SYD-0613A,SYD-0709,SYD-0709A,SYD-0702,SYD-0702A,SYD-0131,SYD-F02-20,SYD-0719,SYD-0719A,SYD-0719B,SYD-0703,SYD-6307,NSF-1,SYD-0618,SYD-0653,SYD-0654,SYD-0655,SYD-0751,SYD-0752,SYD-0754,SYD-0755,SYD-1617,JJC-1D,
試驗器：
SYP1001B-2,SYP1001B-5,SYP1002B-2,SYP1002-3,SYP1003-6,SYP1003-6A,SYP1003-6B,SYP1003-6E,SYP1003,SYP1003-7,SYP1003-7A,SYP1003-7B,SYP1003-7D,SYP1003-9,SYP1003-9A, SYP1003-9B,SYP1004-3,SYP1008-3C,SYP1008-3E,SYP1003-8,SYP1010-2,SYP1013,SYP1015-1,SYP1015-3,SYP1016-1B,SYP1016-1C,SYP1016-2C,SYP1016-2D,SYP1016-2E,SYP1016-2F,SYP1017-1,SYP1021,SYP2000-1,SYP1022-2A,SYP1022-2C,SYP1022-2D,SYP1022-1C, SYP1023, SYP1024,SYP1025,SYP1026,SYP1026-1,SYP1027,SYP1027-1,SYP20013A,SYP2001-3B,SYP2001-3C,SYP2007-1,SYP3006-1,SYP3007B-2,SYP3008,SYP3010-1,SYP3013,SYP4100-1,SYP4101, SYP4101-1,SYP4101-A,SYP4101-B,SYP4106-1,XSP,SYP4108,SYP4111-2,SYP4202-1,SYP4301-2,SYP7004-1,SYP7005,ZL-2,SYP9000,SYP9001A,SYP9001B,SYP9002B-1,SYP9002-1,SYP9003-2,SYP9010,SYP9012,SYP2102,
測汞儀：
F732-V,F732-VJ,F732-S,F732-G,ZYG-11,DHL-2,DHL-3,DHL-4,DHL-100,DHL-200,DHL-300,HL-2D,HL-6D,HL-7D,HL-2B,HL-3B,HL-4B,HL-5B,HL-6B,HL-7B,HL-100B,HL-200B,HL-300B,HL-600B,HL-2,HL-3,HL-4,HL-5,HL-6,HL-7,HL-100,HL-200,HL-300,HL-600,DHL-A,HDL-B,HL-1,HL-1B,HL-1S,HL-2,HL-2B,HL-2D,HL-2S,HL-3,HL-3B,HL-4,HL-4B,HL-4D,HL-5,HL-5A,HL-5B,HL-6,HL-6B,HL-6D,BT-100,BT-100B,BT-100D,BT-200,BT-200B,BT-600,BT-600B,T-600C, HL-2N,BT-100N,
顆粒測定儀：
LKY-2,PME1，PME,
粘度計：
NDJ-1,NDJ-4,NDJ-5,NDJ-8SN,NDJ-9SN,SNB-1,SNB-4,DV-1,NDJ-7,NDJ-5S,NDJ-8S,NDJ-79,NDJ-1B,NDJ-1B-1, NDJ-99, NDJ-1C, NDJ-1D, NDJ-1F, NDJ-1E,
水分測定儀：
LHS16-A,DHS16-A,SH-10A,SC69-02C,EMA-100,EMA-50,EMA-20,SC-10,MA35,MA150,MA100,MB35,MB45,MB23,MB25,KF-1,KF-1A,KF-1,KF-1B,LDS-IG,LDS-IH,LDS-IF,LJDS-I,LDS-IY,LDS-IK,LDS-IS,LDS-2G,LDS-2A,LDS-2,LDS-3H,LJS-IA,LJS-IB,LMS-30,LTJM-2008,LTJM-8,LTJM-3,
電導率儀,：
FE20K,FE20,FE30K,FE30,FG2-B,FG2-ELK,FG2-FK,FG3-B,FG3-ELK,FG3-FK,SG2-B,SG2-ELK,SG2-T,SG2-FK,SG2-ASK,SG3-B,SG3-ELK,SG3-ELK740SG,SGE-FK2,SG3-FK10,SG3-ASK,SG6-ELK,SG6-FK2,SG6-FK10,SG6-ASK,SG7-B,SG7-ELK,SG7-ELK740SG,SG7-FK2,SG7-FK10,SG7-ASK,SG8-B,SG8-ELK,SG8-FK,SG8-ASK,S20K,S20,S30K,S30,S40K,S40,S40N,PB-10,PB-21,PT-10,PT-10P,PP-15-P11,PP-20-P11,PP-25-P11,PP-50-P11,DDS-307,DDS-307A,DDSJ-308A,DDSJ-318,DDBJ-350,DDB-303A,DDS-11D,TM-03,DDS-11C,DDS-11A,DDG-5205A,DDG-33,DDG-330,DDD-32D ,DCG-760A,DDB-1,DDB-2,DDB-11A,DDC-11C,
儀表網