FM-4D1（双臂电桥测低电阻专用)
FM-4D1双臂电桥测低电阻夹具产品介绍
FM-4D1是专为低电阻测量设计的四端夹具，采用V型刃式结构，适用于直径0-100mm的棒状、线状导体测试。该产品内置1.5米标尺，通过P2C2滑动定位拉紧机制确保测试长度精确可调。其核心优势在于四端接法设计，能有效消除引线电阻和接触电阻对测量的影响，特别适合测量铜、铝、铁等金属材料的电阻率，或电机绕组、电缆芯线等低阻值部件的接触电阻。夹具主体采用优质金属材料，刃口接触部位经过特殊处理，既保证导电性又延长使用寿命。配套测试时可搭配QJ84A等数字便携式双臂电桥使用，支持无交流电源的电池供电场景，满足实验室与现场检测需求。169
FM-4D1 Four-Terminal Clamp for Low Resistance Measurement
The FM-4D1 is a specialized four-terminal fixture designed for precise low-resistance measurements using Kelvin bridge methods. Its V-blade structure accommodates conductive samples with diameters up to 100mm, featuring an integrated 1.5m scale and adjustable P2C2 sliding/tightening mechanism for accurate length positioning. The four-terminal configuration effectively eliminates interference from lead resistance and contact resistance, making it ideal for determining resistivity of copper/aluminum/iron specimens or testing contact resistance in motor windings and cable cores. Constructed with durable metallic materials and specially treated contact edges, this fixture ensures reliable conductivity and prolonged service life. Compatible with portable DC bridges like QJ84A for battery-powered field measurements, its design facilitates efficient operation in both laboratory and on-site environments without requiring AC power sources.2513
FM-4D1（双臂电桥测低电阻专用)
的详细介绍
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四端夹具（双臂电桥测低电阻专用)（客户需要时可配Cu、Al、Fe试棒）
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序号
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型号
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规格
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试样长度
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试样直径
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结 构 特 点
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出厂价￥
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1-75
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FM-4R4
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4代
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0.1m～1.1m
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0～φ40mm
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龙门闸式/有标尺有导杆/P2C2可滑动可定位拉紧
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1500
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1-76
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FM-4R5
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5代
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1.5m
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0～φ40mm
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龙门闸式/有标尺无导杆/P2不滑动C2可定位拉紧
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1200
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1-77
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FM-4R6
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6代
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1.5m
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0～φ50mm
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台钳式/有标尺无导杆/ P2不滑动C2可拉紧
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1800
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1-78
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FM-4D1
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大1代
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1.5m
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0～φ100mm
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V型刃式/有标尺无导杆/ P2不滑动C2可拉紧
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2600
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