FMAC15/2微電流檢流計(jì)/FMAC-15/2
產(chǎn)品概述
FMAC15/2微電流檢流計(jì)是一款高精度電流測(cè)量?jī)x器，專為實(shí)驗(yàn)室、科研及工業(yè)領(lǐng)域設(shè)計(jì)。該產(chǎn)品采用先進(jìn)的微電流檢測(cè)技術(shù)，能夠精確測(cè)量毫安、微安、納安直至皮安級(jí)的微小電流，適用于電橋、電位差計(jì)的指零儀等場(chǎng)景。其寬量程設(shè)計(jì)和穩(wěn)定的性能使其成為傳統(tǒng)光點(diǎn)檢流計(jì)的理想替代品，具有靈敏度高、重復(fù)性好、抗過(guò)載能力強(qiáng)等特點(diǎn)。產(chǎn)品采用中心零位雙向偏轉(zhuǎn)的寬面表頭設(shè)計(jì)，搭配雙分度標(biāo)尺（±60/±50格），讀數(shù)清晰直觀，同時(shí)支持欠阻尼和過(guò)阻尼狀態(tài)切換，便于用戶進(jìn)行電流計(jì)特性研究或阻尼振蕩實(shí)驗(yàn)。359
技術(shù)特點(diǎn)
FMAC15/2的核心優(yōu)勢(shì)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(cè)量過(guò)程中不會(huì)因換檔丟失數(shù)據(jù)細(xì)節(jié)。表頭內(nèi)阻為500Ω，機(jī)械零點(diǎn)可通過(guò)撥盤調(diào)節(jié)，電氣零點(diǎn)則通過(guò)多圈電位器校準(zhǔn)。產(chǎn)品配備狀態(tài)開(kāi)關(guān)，用戶可在測(cè)量（ON）、短路鎖針（OFF）或表頭直接檔（G）模式間切換，滿足不同實(shí)驗(yàn)需求。此外，其緊湊的尺寸（17×16×226cm）和輕量化設(shè)計(jì)（1.7kg）便于攜帶和安裝。1316
應(yīng)用場(chǎng)景
FMAC15/2廣泛應(yīng)用于物理實(shí)驗(yàn)（如光電效應(yīng)、夫蘭克-赫茲實(shí)驗(yàn)）、電子電路調(diào)試及精密儀器校準(zhǔn)等領(lǐng)域。其雙向偏轉(zhuǎn)特性可直觀顯示電流的標(biāo)量與矢量屬性，特別適合需要?jiǎng)討B(tài)觀察電流方向的場(chǎng)景。在科研教學(xué)中，該設(shè)備可用于研究電流計(jì)的內(nèi)阻、滿偏電流、沖擊常數(shù)等參數(shù)，幫助學(xué)生理解電磁學(xué)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(jì)
的詳細(xì)介紹FMAC15/2微電流檢流計(jì)/FMAC-15/2
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F M A C 1 5 系列微電流檢流計(jì)
（光點(diǎn)檢流計(jì)的換代產(chǎn)品, 可用沖擊法測(cè)外臨界電阻）
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序號(hào)
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型號(hào)
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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(cè)量范圍
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出廠價(jià)￥
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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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