钳形接地电阻测试仪的介绍 钳形接地电阻测试仪的简介
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B.\u6d4b\u91cf\u7684\u51c6\u786e\u5ea6
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C.\u5bf9\u73af\u5883\u7684\u9002\u5e94\u6027
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钳形接地电阻测试仪又名钳形接地电阻仪，英文名为Clamp-on Ground Resistance tester或Ground Resistance tester。广泛应用于电力、电信、气象、油田、建筑及工业电气设备的接地电阻测量。钳形接地电阻仪在测量有回路的接地系统时，不需断开接地引下线，不需辅助电极，安全快速、使用简便。钳形接地电阻仪能测量出用传统方法无法测量的接地故障，能应用于传统方法无法测量的场合，因为钳形接地电阻仪测量的是接地体电阻和接地引线电阻的综合值。钳形接地电阻仪有长钳口及圆钳口之分。长钳口特别适宜于扁钢接地的场合。
钳形接地电阻测试仪又名钳形接地电阻仪，英文名为Clamp-on
Ground
Resistance
tester或Ground
Resistance
tester。广泛应用于电力、电信、气象、油田、建筑及工业电气设备的接地电阻测量。钳形接地电阻仪在测量有回路的接地系统时，不需断开接地引下线，不需辅助电极，安全快速、使用简便。钳形接地电阻仪能测量出用传统方法无法测量的接地故障，能应用于传统方法无法测量的场合，因为钳形接地电阻仪测量的是接地体电阻和接地引线电阻的综合值。钳形接地电阻仪有长钳口及圆钳口之分。长钳口特别适宜于扁钢接地的场合。
1．电阻测量原理
钳形接地电阻仪测量接地电阻的基本原理是测量回路电阻。钳表的钳口部分由电压线圈及电流线圈组成。电压线圈提供激励信号，并在被测回路上感应一个电势E。在电势E的作用下将在被测回路产生电流I。钳表对E及I进行测量，并通过下面的公式即可得到被测电阻R。
2．
电流测量原理
钳形接地电阻仪测量电流的基本原理与电流互感器的测量原理相同。被测量导线的交流电流I，通过钳口的电流磁环及电流线圈产生一个感应电流I1，钳表对I1进行测量，通过下面的公式即可得到被测电流I。
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绛旓細閽冲舰鎺ュ湴鐢甸樆娴嬭瘯浠紝濡侲TCR2000绯诲垪锛屾槸涓娆鹃潻鍛芥х殑娴嬮噺璁惧锛屽畠鍦ㄧ數鍔涖佺數淇°佹皵璞°佹补鐢般佸缓绛戜互鍙婂伐涓氱數姘旇澶囩殑鎺ュ湴鐢甸樆妫娴嬮鍩熷彂鎸ヤ簡閲嶈浣滅敤銆傚叾鐙壒鐨勮璁′娇寰楀湪娴嬮噺鏈夊洖璺殑鎺ュ湴绯荤粺鏃讹紝鏃犻渶涓柇鎺ュ湴寮曚笅绾匡紝涔熸棤闇棰濆鐨勮緟鍔╃數鏋侊紝鎿嶄綔绠渚夸笖瀹夊叏蹇燂紝鏋佸ぇ鍦版柟渚夸簡鐜板満娴嬮噺宸ヤ綔銆備笌浼犵粺鏂规硶鐩告瘮锛...
绛旓細ETCR閽冲舰鎺ュ湴鐢甸樆浠箍娉涘簲鐢ㄤ簬鐢靛姏銆佺數淇°佹皵璞°佹补鐢般佸缓绛戝強宸ヤ笟鐢垫皵璁惧绛夌殑鎺ュ湴鐢甸樆娴嬮噺銆佸洖璺數闃绘祴閲銆傚湪娴嬮噺鏈夊洖璺殑鎺ュ湴绯荤粺鏃讹紝涓嶉渶鏂紑鎺ュ湴寮曚笅绾匡紝涓嶉渶杈呭姪鐢垫瀬锛屽畨鍏ㄥ揩閫熴傝兘娴嬮噺鍑虹敤浼犵粺鏂规硶鏃犳硶娴嬮噺鐨勬帴鍦版晠闅滐紝鑳藉簲鐢ㄤ簬浼犵粺鏂规硶鏃犳硶娴嬮噺鐨勫満鍚堬紝鍥犱负ETCR绯诲垪閽冲舰鎺ュ湴鐢甸樆浠祴閲忕殑鏄帴鍦颁綋鐢甸樆...
绛旓細TLHG-905閽冲舰鎺ュ湴鐢甸樆娴嬭瘯浠槸涓娆惧姛鑳藉己澶х殑涓撲笟宸ュ叿锛屽畠绐佺牬浜嗕紶缁熸祴閲忔柟娉曠殑灞闄愶紝鑳藉绮惧噯娴嬪畾閭ｄ簺甯歌鎵嬫闅句互瑙﹀強鐨勬帴鍦伴棶棰樸傝繖娆句华琛ㄧ殑鐙壒涔嬪鍦ㄤ簬锛屽畠涓嶄粎娴嬮噺鎺ュ湴浣撴湰韬殑鐢甸樆锛岃繕鑰冭檻鍒颁簡鎺ュ湴寮曠嚎鐨勭數闃伙紝鍥犳鎻愪緵浜嗘洿涓哄叏闈㈢殑缁煎悎鐢甸樆鍊笺傚湪浼犵粺鎽囪〃闅句互鍙戞尌浣滅敤鐨勭壒娈婄幆澧冧腑锛屽姘存偿鍦伴潰銆佹ゼ鎴...
绛旓細杩欐閽冲舰鎺ュ湴鐢甸樆浠閲囩敤6VDC鐢垫簮椹卞姩锛岄氬父闇瑕4鑺5鍙风⒈鎬у共鐢垫睜涓哄叾渚涚數銆傚伐浣滄俯搴﹁寖鍥村箍娉涳紝閫傚簲-10鈩冭嚦55鈩冪殑鐜锛屽嵆浣垮湪婀垮害楂樿揪90%鐨勬潯浠朵笅锛屼篃鑳界ǔ瀹氳繍琛屻備华鍣ㄩ厤澶囦簡涓鍧4浣峀CD鏁板瓧鏄剧ず鍣紝灏哄涓47mm脳28.5mm锛屾樉绀烘竻鏅版槑浜嗐傚叾閽冲彛璁捐鐙壒锛屽紶寮灏哄涓32mm锛岄傚悎涓嶅悓鍦哄悎鐨勬祴閲忛渶姹傘傞暱...
绛旓細ETCR2000绯诲垪閽冲舰鎺ュ湴鐢甸樆娴嬭瘯浠鏄竴娆惧垱鏂扮殑娴嬮噺宸ュ叿锛屽畠鍦ㄤ紶缁熸祴閲忔墜娈典箣澶栵紝鎻愪緵浜嗗澶嶆潅鎺ュ湴闂鐨勮В鍐虫柟妗堛傝繖娆句华鍣ㄧ壒鍒璁＄敤浜庢祴閲忛偅浜涗紶缁熸憞琛ㄦ棤娉曡Е鍙婄殑鍦哄悎锛屽姘存偿鍦伴潰銆佹ゼ鎴垮唴閮ㄣ佸湴涓嬭鏂戒互鍙婄數淇℃満鎴匡紝瀹冪殑C鍨嬩骇鍝佹洿鏄叿澶囨祴閲忔帴鍦扮郴缁熸硠闇茬數娴佸拰涓х數娴佺殑楂樼骇鍔熻兘銆傚叾骞挎硾鐨勫簲鐢ㄩ鍩熷寘鎷數鍔涚郴缁...
绛旓細杩欐閽冲舰鎺ュ湴鐢甸樆浠鍏锋湁鐙壒鐨勮璁＄壒鎬э紝棣栧厛锛屽叾閲囩敤浜嗗ぇ閽冲彛璁捐锛岃兘澶熼傚簲鍚勭涓嶅悓褰㈢姸鐨勬帴鍦扮嚎锛岀‘淇濇祴閲忕殑鐏垫椿鎬у拰骞挎硾閫傜敤鎬с傞潪鎺ヨЕ寮忔祴閲忔柟寮忔槸鍏朵竴澶т寒鐐癸紝鏃犻渶鐩存帴鎺ヨЕ鎺ュ湴绾匡紝鏃繚璇佷簡鎿嶄綔浜哄憳鐨勫畨鍏紝涔熷ぇ澶ф彁楂樹簡娴嬮噺鐨勯熷害鍜屾晥鐜囥傚湪杩涜鎺ュ湴鐢甸樆娴嬭瘯鏃讹紝鍙互瀹炵幇鍦ㄧ嚎娴嬭瘯锛屾棤闇涓柇寰呮祴璁惧...
绛旓細鑰岀湡姝ｆ帴鍦扮數闃浠殑涓涓垱涓炬槸鍦ㄤ節鍗佸勾浠ｉ挸鍙ｅ紡鎺ュ湴鐢甸樆鐨勮癁鐢熸墦鐮翠簡浼犵粺寮忔祴璇曟柟娉曘傚娉曞浗CA鍏徃鐢熶骇鐨6411閽寮鎺ュ湴鐢甸樆娴嬭瘯浠绉板緱涓婃帴鍦扮數闃绘祴璇曠殑涓澶ч潻鍛,閽冲紡鎺ュ湴鐢甸樆娴嬭瘯鏈澶х壒鐐规槸涓嶅繀杈呭姪鍦版,鍙閽充綇鎺ュ湴绾挎垨鎺ュ湴妫掑氨鑳芥祴鍑哄叾鎺ュ湴鐢甸樆銆備笂杩板湴闃绘祴璇曚华鏄睘鍗曢挸鍙ｅ舰寮忕殑,鍏锋湁瀹冪殑蹇熸祴璇曘佹搷浣滅畝鍗曠瓑浼樼偣,...
绛旓細鍙閽冲舰鎺ュ湴鐢甸樆娴嬭瘯浠锛屼竴娆捐嫳鏂囧悕涓篐T5600 Multifunction Dual-Clamp Earth Resistance Tester鐨勭簿瀵嗚澶囷紝涓嶄粎鍏峰浜嗕紶缁熷湴鏋佽緟鍔╂祴閲忔帴鍦扮數闃荤殑鍔熻兘锛屾洿寮曞叆浜嗛潻鍛芥х殑鏃犺緟鍔╁湴鏋佹祴閲忔妧鏈傝繖娆句华鍣ㄩ瑕嗕簡浼犵粺娴嬮噺鏂规硶锛岄氳繃閲囩敤鍙岄挸鍙ｉ潪鎺ヨЕ娴嬮噺鍘熺悊锛屾棤闇棰濆璁剧疆杈呭姪鍦版瀬锛屼篃鏃犻渶灏嗘帴鍦颁綋涓庤礋杞介殧绂伙紝瀹炵幇...
