直流電橋,QJ23

本儀器采用惠斯登電橋線路，內附指零儀和電池盒，用來測量其
范圍內的直流電阻。便于攜帶，使用方便。
主要技術性能：
1．測量范圍：1Ω-9.999MΩ
2．準確度：0.2％
3．內附指零儀：電流常數<6×10-7A／mm
阻尼時間：<4s
4．電源：4.5V2號干電池三節
5．外型尺寸： 225×175×115mm
6．質量：2kg
各量程主要參數
量程倍率 有效量程Ω 準確度％ 電源電壓V
×10-3 0～9.999 2 4.5
×10-2 0～99.99 0.2 4.5
×10-1 0～999.9 0.2 4.5
×1 0～9999 0.2 4.5
×10 0～99990 0.5 6＊
×102 0～999900 0.5 6＊
×103 0～499900 2 21＊
5～9999000 2 36＊
注：“＊”代表為提高儀器靈敏度，需外接電源。

鉑銠10-鉑二等標準熱電偶WREK-182，WREK-188，WREK-192，WREK₂-121，WREK₂-131，WREK₂-122，WREK₂-132，WRNK-101，WRNK-121，WRNK-131，WRNK-181，WRNK-187，WRNK-191，WRNK-102，WRNK-122，WRNK-132，WRNK-182，WRNK-188,WRNK-192，.WRNK₂-121，WRNK₂-131，WRNK₂-122，WRNK₂-132，WRCK-101，WRCK-121，WRCK-131，WRCK-181，WRCK-187，吹氣型熱電偶WRCK-191，WRCK-102，WRCK-122，WRCK-132，WRCK-182，WRCK-188，WRCK-192，WRCK₂-121，WRCK₂-131，WRCK₂-122，WRCK₂-132，.WREK-201，WREK-221，WREK-231，WREK-281，WREK-291，WREK-202，WREK-222,WREK-232，WREK-282，WREK-292，WREK₂-221，WREK₂-231，WREK₂-222，WREK₂-232，WRNK-201，WRNK-221，WRNK-231，WRNK-281，WRNK-291，WRNK-202，WRNK-222，.WRNK-232，WRNK-282，WRNK-292，WRNK₂-221，WRNK₂-231，WRNK₂-222，WRNK₂-232，WRCK-201, WRCK-221, WRCK-231, 拱頂熱電偶WRCK-281, WRCK-291, WRCK-202, WRCK-222, WRCK-232, WRCK-282, WRCK-292. WRCK₂-221, WRCK₂-231, WRCK₂-222, WRCK₂-232，WREK-301, WREK-321, WREK-331, WREK-381, WREK-387, WREK-391, WREK-302, WREK-322, WREK-332, WREK-382, WREK-388, WREK₂-321, WREK₂-331, .WREK₂-322 WREK₂-332 ,WRNK-301, 超臨界電站用熱電偶 WRNK-321, WRNK-331, WRNK-391, WRNK-381, WRNK-387, WRNK-302, WRNK-322, WRNK-332, WRNK-392, WRNK-382, WRNK-388, WRNK₂-321, WRNK₂-331, WRNK₂-322, WRNK₂-332, WRCK-301, WRCK-321, WRCK-331, WRCK-391,WRCK-381, WRCK-387, WRCK-302, WRCK-322, .WRCK-392, WRCK-382, WRCK-388,WRCK₂-321，WRCK₂-331，WRCK₂-322，WRCK₂-332，WREK-401，WREK-421，WREK-431，WREK-481, WREK-491, WREK-402, 電站測溫用熱電偶WREK-422, WREK-432, WREK-482, WREK-492WREK₂-421, WREK₂-431, WREK₂-422, WREK₂-432, WRNK-401, WRNK-421, WRNK-431,WRNK-481, WRNK-491, WRNK-402, WRNK-422, WRNK-432, WRNK-482, WRNK-492,WRNK₂-421, WRNK₂-431, WRNK₂-422,. WRNK₂-432, WRCK-401, WRCK-421, WRCK-431,WRCK-491, WRCK-481, WRCK-402, WRCK-422, WRCK-432, WRCK-492, WRCK-482,WRCK₂-421, WRCK₂-431, WRCK₂-422, 隔爆型、本安型熱電偶WRCK₂-432, WREK-501, WREK-521, WREK-531,WREK-581, WREK-591, WREK-502, WREK-522, WREK-532, WREK-582, WREK-592. WREK₂-521, WREK₂-531, WREK₂-522, WREK₂-532, WRNK-501, WRNK-521, WRNK-531,WRNK-581，WRNK-591，.WRNK-502，WRNK-522，WRNK-532，WRNK-592，WRNK-582，WRNK₂-521，WRNK₂-531，WRNK₂-522，WRNK₂-532，WRCK-501，WRCK-521，WRCK-531，WRCK-591，WRCK-581，化工隔爆型熱電偶WRCK-502，WRCK-522，WRCK-532，WRCK-592，WRCK-582，WRCK₂-521，WRCK₂-531，WRCK₂-522，WRCK₂-532，WREK-1313，WREK-1314，.WREK-1315，WREK-1316，WREK-1323，WREK-1324，WREK-1325，WREK-1326，WRNK-1313, WRNK-1314, WRNK-1315, WRNK-1316, WRNK-1323, WRNK-1324, WRNK-1325, WRNK-1326, WRFK-281A, WRFK-181A., WRCK-281A, WRCK-181A, WREK-281A, WREK-181A, WRNK-281A, WRNK-181A, WZPM-202U, WZPM-201U, WRNM-202A, WZPM-101U, WZPM-102U, 化工熱電偶WREM-102A, WRNM-201A, WRNM-203A WRNN-436, WRNN₂-436, WRN-420B, WRN-430B, WRN₂-420B, WRN₂-430B, WRE-420B, WRE-430B, WRE₂-420B, WRE₂-430B, WRN-420C, WRN-430C, WRN₂-420C, WRN₂-430C, WRE-420C, WRE-430C, WRE₂-420C,. WRE₂-430C, WRN-420D, WRN-430D, WRN₂-420D, WRN₂-430D, WRE-420D, WRE-430D, WRE₂-420D, 可動式熱電偶WRE₂-430D, WZP-420B, WZP-421B, WZP-430B, WZP-431B, WZP₂-420B, WZP₂-421B, WZP₂-430B, WZP₂-431B, WZC-420B, WZC-430B, WZP-420C, WZP-421C, WZP-430C, WZP-431C, WZP₂-420C, WZP₂-421C, WZP₂-430C, WZP₂-431C, WZC-420C, WZC-430C, WZP-420D, WZP-421D, WZP-430D, WZP-431D, WZP₂-420D, .WZP₂-421D, WZP₂-430D, WZP₂-431D, WZC-420D, WZC-430D.WRR-433Q, WRNR-93UC, WRER-93UC, WRNR2-93UC, WRER2-93UC, WRNT-001, WRNT₂-001, 耐腐、耐磨熱電偶WRET-001, WRET2-001, WRNR-01, WRER-01, WRNR₂-01, WRER₂-01, WRNR-12, WRER-12, WRNR₂-12, WRER₂-12, WRNR-13, WRER-13, WRNR₂-13. WRER₂-13. WRNR-14, WRER-14, WRNR₂-14, WRER₂-14, WRNR-15, WRER-15, WRNR2-15, WRER2-15, WRN-15A,. WRER-15A, WRNR₂-15A, WRER₂-15A, WRNT-31, WRET-31, WRNT₂-31, WRET₂-31, 套管式熱電偶WRNK-841n﹡D, WRNK-842n﹡D, WREK-841n﹡D. WREK-842n﹡D, WRNK-841n﹡I, WRNK-842n﹡I, WREK-841n﹡I. WREK-842n﹡I, WREK-842n﹡I, WRN-240A, WRN₂-240A, WRE-240A, WRE₂-240A, WRN-640A,RN₂-640A,WRE-640A,WRE₂-640A, .WRN-440A,RN₂-440A, WRE-440A,RE₂-440A, WRNK-240, WRNK₂-240, WREK-240, WREK₂-240, WRNK-440, WRNK₂-440, WREK-440, WREK₂-440, WRN-74O,WRN2-74O, WRN-74O, WRN2-74O, WRNR-15, WRNR₂-15, WRNR-15A, WRNR₂-15A, WRER-15, WRER₂-15, WRER-15A, WRER₂15A, WRN-624, WRN-625, WRE-624, WRE-625, WRNR-12, WRER-12, WRNR₂-12, .WRER₂-12, WRNR-13, WRNR₂-13, WRER-13, WRER₂-13,WRNR-14, WRNR_2-14, WRER14, WRER_2-14, WRN-631, WRN₂-631, WRNR-01, WRER-01, WRNR₂-01, WRER₂-01, WRN-130, WRN2-130, WRN-230, WRN2-230, WRN-330, WRN2-330, WRN2-430, WRN-430, WRE-130, WRE2-130, 熱電偶 WRE-230, WRE2-230, WRE-330, WRE2-330, WRE-430, WRE2-430, WREK-1313, WREK-1314, WREK-1315, WREK-1316, WREK-1323,. WREK-1324, WREK-1325, WREK-1326, WRNK-1313, WRNK-1314, WRNK-1315, WRNK-1316, WRNK-1323, WRNK-1324, WRNK-1325, WRNK-1326, WRN-001, WRE-001. WRN-002, WRE-002, WRN-235T, WRN₂-235T, WRE-235T, WRE₂-235T, WRN-130-F, WRN-230-F, WRN-330-F, WRN-430-F, WRN₂-130-F, WRN₂-330-F, WRN₂-430-F, WRE-130-F, WRE-230-F, .WRE-330-F, WRE-430-F,WRE₂-130-F,WRE₂-230-F,WRE₂-330-F.WRE₂-430-F.WRN-130（*）,WRN-230（*）,WN-330（*）,WN-430（*）.,WRNN₂-130（*）,WNN₂-230（*）,WRNN₂-330（*）,WNN₂-430（*）,WREN-130, WREN-230, WREN-330, WREN-430, .WREN₂-130, WREN₂-230, WREN₂-330, WREN₂-430, WRNN-530（*）,WRNN₂-530（*）,WREN-530,WREN₂-530,WRNN-631（*）,WRNN₂-631（*）,WREN-631, WREN₂-631, WRN-12B, WRE-12B, WRN₂-12B, 裝配式熱電偶WRE₂-12B, WRN-13B, WRE-13B, WRN₂-13B, WRE₂-13B, WRN-14B, WRE-14B, WRN₂-14B, WRE₂-14B, WRN-15B, WRE-15B, WRN₂-15B, WRE₂-15B, WRN-15AB,. WRE-15AB, WRN₂-15AB, WRE₂-15AB, WRN-4318, WRE-4318,,WN₂-4318, WRE₂-4318, WRN-43C, WRE-43C, WRN₂-43C, WRE₂-43C, WRR-120, WRR-121, WRR₂-120, WRR₂-121, WRP-120, WRP-121, WRP₂-120,, 熱電偶 WRP₂-121, WRN-122, WRN-123, WRN₂-123, WRR-130, WRR-131, WRR₂-130, WRR₂-131, WRP-130, WRP-131, WRP₂-130, WRP₂-131, WRN-133, WRN₂-133, WRN-120, WRN₂-120. WRE-120, WRE₂-120, WRN-130, WRN₂-130, WRE-130, WRE₂-130, WRN-220, WRN-220A, WRN₂-220, .WRN₂-220A, WRE-220, WRE-220A,, WRE₂-220A, WRN-230, WRN₂-230, WRE-230, WRE₂-230, WRN-220, WRN-220A, WRN₂-220, WRN₂-220A, WRE-220, WRE-220A, WRE₂-220, WRE₂-220A, WRN-230, WRN₂-230, WRE-230, WRE₂-230, WRN-320, WRN₂-320, WRE-320, WRE₂-320, WRN-330, WRN₂-330, WRE-330, WRE₂-330, 高溫耐磨熱電偶WRN-420, WRN-420A, WRN₂-420, WRE-420, WRE-420A, WRE₂-420, WRN-430, WRN₂-430, WRE-430, WRE₂-430, WRN-420, WRN-420A. WRN₂-420, WRE-420, WRE-420A, WRE₂-420, WRN-430, WRN₂-430, WRE-430, WRE₂-430, WRN-520, WRN₂-520, WRE-520,, WRE₂-520, WRN-530, WRN₂-530, WRE-530, WRE₂-530, WRN-621, WRN-621A, WRN₂-621, WRE-621, WRE-621A, WRE₂-621, WRN-631, WRN₂-631, WRE-631, WRE₂-631. WRN-620，WRN-621,. WRN-620A, WRN-621A, WRN₂-620, WRN₂-621, WRE-621, WRE-621A, WRE₂-621, WRN-631, WRN₂-631, WRE-631, WRE₂-631, WRN-624, WRN-625, WRE-624, WRE-625, WRN-001, WRE-001, WRN-001, WRE-001, WRN-010, WRE-010, WRR-010, WRR₂-010, WRP-010, WRP₂-010, WRP-100，WSSX-412，WSSX-402電接點雙金屬溫度計，WSSX-481，WSSX-411，WSSX-401，WSSX-480，WSSX-410，WSSX-400，WSSX-486B，WSSX-416B，WSSX-485B，.WSSX-415B，WSSX-484B，WSSX-414B，WSSX-483B，WSSX-413B，WSSX-482B，WSSX-412B，WSSX-481B，WSSX-411B，WSSX-480B，WSSX-410B，WZPK-376U，WZPK-473U，WZPK-474U，WZPK-475U，WZPK-374U，WZPK-173U，WZPK-174U，WZPK-176U，WZPK-273U，WZPK-274U，WZPK-275U，WZPK-563U，WZPK-366U，WZPK-463U，WZPK-573U，WZPK-575U，WZPK-576U，WZP2-221B，WZP2-230B，WZP2-231B，WZC-130B，WZP-221B，WZP-230B，.WZP2-130B，WZP2-420B，WZC-220B，WZC-230B，WZC-220AB，WZP-320B，WZP-331B，WZP2-320B，WZP2-324B，WZP2-330B，WZC-320B，WZP-420B，WZP-421B，WZPK2-565SA，WZPK-334U，WZPK-574S，WZP-44SAB，WZPK-573S，WZPK-24，WZPK2-24，WZP-24SAB，WZPK2-44，SBWR-2260，WZPK-44 WZP2-64SB，WZP2-24SAB，WZPK-275S，WZP-44SA，WZKP2-536SA，WZPK-2212U，WZP-1312U，WZPK-536S，WZP-1212U，WZPK2-576SA，WZPK2-575SA，WZP-6212U，WZP-4212U，WZP-3312U，WZP-4312U，WZPK-104S，WZPK-174S，WZPK-103S，WZPK2-44，WZPK2-24，WZPK-173S，WZPK-24，WZP-64S，WZPK-44，WZP2-421D，WZPN2-330，WZP-421B，WZP2-431C，WZPN2-430，WZP2-421C，WZP-431，WZP2-11SA，WRNR2-12，隔爆熱電偶SBWZ-4484，SBWZ- 44SI，SBWZ-2484，SBWZ- 44SI，SBWR-4284，SBWR-440I，SBWR-2284，SBWR-440I，SBWR-4184，SBWR-440I，SBWR-2184/440I，SBWR-4281/240KI，WRER-01，WRNK-841n*D，WZPN-631，WZPN-231，WZPN2-431，.WRN-230，WZP-120B，WRN2-240A，WZPM-201B，WZCM-201，WRN-240A，WZC-220B，WZPK2-106SA ，WREK-841n*D，WRNK-842n*D，WRNK-131，WRNK-231D爐管刀刃熱電偶，WRNR-12、WRNR-13、WRNR-14、WRNR-15，WRNB-140、WRNB-140G，WZP-240、WZP-440、WZP-241，WRN-621，WZP-2420C，WZP2-44SA，WZPK2-265SA，WZPK-135S，WRE-001，WZP2-631，WRE-002，WRE-740，WRN-440A，WRE2-240A，WRE-240A，WRN-230-F，JB/T5583-91，WREK2-240，WRNK2-240，WRNK-240，WRN2-440A，WRN-440A，WRE2-640，WRE-640，WRN2-640，WRN-640A，SBWR-4181/240D，.SBWR-2180/440i隔爆本安型帶熱電偶電阻，SBWR-4270/440D，WZP2-892