FMAC15/2微電流檢流計/FMAC-15/2
產(chǎn)品概述
FMAC15/2微電流檢流計是一款高精度電流測量儀器,專為實驗室、科研及工業(yè)領(lǐng)域設(shè)計。該產(chǎn)品采用先進的微電流檢測技術(shù),能夠精確測量毫安、微安、納安直至皮安級的微小電流,適用于電橋、電位差計的指零儀等場景。其寬量程設(shè)計和穩(wěn)定的性能使其成為傳統(tǒng)光點檢流計的理想替代品,具有靈敏度高、重復性好、抗過載能力強等特點。產(chǎn)品采用中心零位雙向偏轉(zhuǎn)的寬面表頭設(shè)計,搭配雙分度標尺(±60/±50格),讀數(shù)清晰直觀,同時支持欠阻尼和過阻尼狀態(tài)切換,便于用戶進行電流計特性研究或阻尼振蕩實驗。359
技術(shù)特點
FMAC15/2的核心優(yōu)勢在于其高靈敏度和低輸入阻抗。量程按三倍遞增方式設(shè)置12檔,覆蓋3nA至1mA的寬廣范圍,電流常數(shù)為5×10-11A/格,輸入阻抗為330kΩ~1Ω,確保測量過程中不會因換檔丟失數(shù)據(jù)細節(jié)。表頭內(nèi)阻為500Ω,機械零點可通過撥盤調(diào)節(jié),電氣零點則通過多圈電位器校準。產(chǎn)品配備狀態(tài)開關(guān),用戶可在測量(ON)、短路鎖針(OFF)或表頭直接檔(G)模式間切換,滿足不同實驗需求。此外,其緊湊的尺寸(17×16×226cm)和輕量化設(shè)計(1.7kg)便于攜帶和安裝。1316
應(yīng)用場景
FMAC15/2廣泛應(yīng)用于物理實驗(如光電效應(yīng)、夫蘭克-赫茲實驗)、電子電路調(diào)試及精密儀器校準等領(lǐng)域。其雙向偏轉(zhuǎn)特性可直觀顯示電流的標量與矢量屬性,特別適合需要動態(tài)觀察電流方向的場景。在科研教學中,該設(shè)備可用于研究電流計的內(nèi)阻、滿偏電流、沖擊常數(shù)等參數(shù),幫助學生理解電磁學原理。產(chǎn)品兼容交流220V或直流9V電源供電,適應(yīng)0℃~+40℃的工作環(huán)境,滿足多樣化使用需求。2712
英文介紹 (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微電流檢流計
的詳細介紹FMAC15/2微電流檢流計/FMAC-15/2
F M A C 1 5 系列微電流檢流計
(光點檢流計的換代產(chǎn)品, 可用沖擊法測外臨界電阻)
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序號
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型號
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表頭內(nèi)阻
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小分度
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輸入阻抗
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測量范圍
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出廠價¥
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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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