FMAC15/2微电流检流计/FMAC-15/2
产品概述
FMAC15/2微电流检流计是一款高精度电流测量仪器,专为实验室、科研及工业领域设计。该产品采用先进的微电流检测技术,能够精确测量毫安、微安、纳安直至皮安级的微小电流,适用于电桥、电位差计的指零仪等场景。其宽量程设计和稳定的性能使其成为传统光点检流计的理想替代品,具有灵敏度高、重复性好、抗过载能力强等特点。产品采用中心零位双向偏转的宽面表头设计,搭配双分度标尺(±60/±50格),读数清晰直观,同时支持欠阻尼和过阻尼状态切换,便于用户进行电流计特性研究或阻尼振荡实验。359
技术特点
FMAC15/2的核心优势在于其高灵敏度和低输入阻抗。量程按三倍递增方式设置12档,覆盖3nA至1mA的宽广范围,电流常数为5×10-11A/格,输入阻抗为330kΩ~1Ω,确保测量过程中不会因换档丢失数据细节。表头内阻为500Ω,机械零点可通过拨盘调节,电气零点则通过多圈电位器校准。产品配备状态开关,用户可在测量(ON)、短路锁针(OFF)或表头直接档(G)模式间切换,满足不同实验需求。此外,其紧凑的尺寸(17×16×226cm)和轻量化设计(1.7kg)便于携带和安装。1316
应用场景
FMAC15/2广泛应用于物理实验(如光电效应、夫兰克-赫兹实验)、电子电路调试及精密仪器校准等领域。其双向偏转特性可直观显示电流的标量与矢量属性,特别适合需要动态观察电流方向的场景。在科研教学中,该设备可用于研究电流计的内阻、满偏电流、冲击常数等参数,帮助学生理解电磁学原理。产品兼容交流220V或直流9V电源供电,适应0℃~+40℃的工作环境,满足多样化使用需求。2712
英文介绍 (English Description)
The FMAC15/2 Microcurrent Galvanometer is a precision instrument designed for measuring currents ranging from picoamperes to milliamperes. It features a center-zero bidirectional pointer with a wide-face display and dual-scale (±60/±50 divisions), ensuring clear visibility and accurate readings. The device supports 12 ranges in a 3x incremental pattern (3nA–1mA), with a current constant of 5×10-11A/div and input impedance of 330kΩ~1Ω. Its low-impedance design minimizes measurement errors during range switching.
Key functionalities include a mode selector switch for measurement (ON), pointer locking via short-circuit damping (OFF), and direct meter operation (G) for studying coil characteristics. The compact and lightweight structure (17×16×226cm, 1.7kg) enhances portability. Suitable for laboratories and educational institutions, the FMAC15/2 excels in applications such as bridge null detection, potential difference measurements, and electromagnetic experiments. It operates on AC 220V or DC 9V power, with an ambient tolerance of 0℃~+40℃.61329
FMAC15/2微电流检流计
的详细介绍FMAC15/2微电流检流计/FMAC-15/2
F M A C 1 5 系列微电流检流计
(光点检流计的换代产品, 可用冲击法测外临界电阻)
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序号
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型号
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表头内阻
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小分度
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输入阻抗
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测量范围
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出厂价¥
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6-17
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FMAC15/1
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4000Ω
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5×10-12A
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3.3MΩ-10Ω
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300pA-100μA
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1450
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6-18
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FMAC15/2
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4000Ω
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5×10-11A
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330kΩ-1Ω
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3nA-1mA
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1450
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6-19
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FMAC15/3
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4000Ω
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5×10-10A
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33kΩ-0.1Ω
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30nA-10mA
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1450
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6-20
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FMAC15/4
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4000Ω
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5×10-9A
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33kΩ-0.1Ω
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300nA-100mA
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1450
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6-21
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FMAC15/5
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4000Ω
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5×10-8A
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33kΩ-0.1Ω
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3μA -1A
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1450
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6-22
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AC15A
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±3nA~1μA,5×10-11~2×10-8A/格
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1100
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