FMC 組合式直流(高)電位差計(jì)
FMC組合式直流(高)電位差計(jì)產(chǎn)品介紹
FMC組合式直流(高)電位差計(jì)是一款精密測量儀器,主要用于直接測量直流電動(dòng)勢。該儀器采用補(bǔ)償法原理,通過恒定的標(biāo)準(zhǔn)電動(dòng)勢與被測電動(dòng)勢相互比較,實(shí)現(xiàn)高精度測量。其工作電流為0.1毫安,每伏為10000歐姆,具有六個(gè)測量十進(jìn)盤,測量范圍從0.000001伏至2.311110伏,最小分度值可達(dá)1微伏。儀器內(nèi)置三只電池盒,可使用1號(hào)干電池供電,標(biāo)準(zhǔn)工作電壓為3V,可調(diào)范圍為2.8~3.3V。FMC電位差計(jì)不僅適用于實(shí)驗(yàn)室環(huán)境,也可在工業(yè)現(xiàn)場進(jìn)行直流電壓、電流、電阻及功率的測量,配合分壓箱使用可將測量上限擴(kuò)展至600伏。146
FMC組合式直流(高)電位差計(jì)技術(shù)特性
該電位差計(jì)在18~22℃溫度范圍內(nèi)工作時(shí),相對濕度需低于80%,其誤差允許極限值符合特定計(jì)算公式。當(dāng)環(huán)境溫度在15~30℃范圍內(nèi)變化時(shí),每超出標(biāo)準(zhǔn)溫度5℃引起的附加誤差不超過基本誤差的1/2。儀器采用高絕緣材料制造,線路與外殼間能耐受2000V交流電壓的耐壓試驗(yàn)。內(nèi)置檢流計(jì)靈敏度高,電流常數(shù)小于1×10⁻¹⁰A/mm,響應(yīng)時(shí)間短于4秒,零位漂移控制在2μV/4小時(shí)內(nèi)。儀器外形尺寸為500×250×170毫米,重量約8公斤,結(jié)構(gòu)堅(jiān)固且便于攜帶。149
FMC Modular DC (High) Potentiometer Product Introduction
The FMC modular DC (high) potentiometer is a precision instrument designed for direct measurement of DC electromotive force. Utilizing the compensation principle, it achieves high-accuracy measurements by comparing the unknown EMF with a stable reference voltage. With a working current of 0.1mA (10kΩ per volt), the device features six measurement decades covering a range from 1μV to 2.311110V. The instrument incorporates three battery compartments for 1.5V dry cells, operating at a standard 3V voltage adjustable between 2.8-3.3V. Beyond laboratory applications, it serves industrial field measurements of DC voltage, current, resistance and power, with measurement上限 extendable to 600V when used with voltage dividers. 617
FMC Modular DC Potentiometer Technical Features
This potentiometer maintains optimal performance at 18-22℃ with humidity below 80%, with error limits calculated by specified formulas. Temperature variations between 15-30℃ induce additional errors not exceeding half the basic error per 5℃ deviation. The high-insulation construction withstands 2000V AC withstand voltage tests between circuits and enclosure. Its integrated galvanometer offers exceptional sensitivity (<1×10⁻¹⁰A/mm), fast response (<4s) and minimal zero drift (<2μV/4h). The compact 500×250×170mm housing weighs approximately 8kg, ensuring portability without compromising durability. These characteristics make it suitable for diverse measurement scenarios requiring high precision and reliability. 4617
FMC 組合式直流(高)電位差計(jì)
的詳細(xì)介紹
電位差計(jì)
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① 箱 式 直 流 電 位 差 計(jì)
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序號(hào)
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型 號(hào)
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名 稱
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測量或調(diào)整范圍
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小步進(jìn)
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準(zhǔn)確度%
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儀器特點(diǎn)
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出廠價(jià)¥
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2-1
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UJ5a
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直流(低)電位差計(jì)
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0~20.1110mV
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0.1μV
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0.5
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普
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①普:
普通型,需外接檢流計(jì)、工作電源、標(biāo)準(zhǔn)電池;
②池:
電池型,內(nèi)附檢流計(jì)、電池盒、基準(zhǔn)電動(dòng)勢;
③環(huán):
環(huán)保型,直接用市電。內(nèi)附檢流計(jì)、工作電源、基準(zhǔn)電動(dòng)勢。無化學(xué)污染。
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2354
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2-2
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TJ6
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教學(xué)用(高)電位差計(jì)
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0~2.311V
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0.5mV
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0.1
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池
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980
1870
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2-3
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FMTJ6
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環(huán)
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2-4
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UJ9
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直流(高)電位差計(jì)
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0~1.31110V
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10μV
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0.02
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普
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2450
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2-5
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UJ24
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直流(高)電位差計(jì)
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0~1.61110V
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10μV
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0.02
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普
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2580
2880
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2-6
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FMUJ24
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10μV
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0.02
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環(huán)
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2-7
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UJ25
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直流(高)電位差計(jì)
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0~1.911110V
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1μV
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0.01
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普
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3680
4380
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2-8
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FMUJ25
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1μV
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0.01
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環(huán)
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2-9
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UJ27C
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直流(高)電位差計(jì)
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0~2.110V
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5μV
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0.1
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池
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980
1180
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2-10
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FMUJ27C
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環(huán)
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2-11
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UJ31
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直流(低)電位差計(jì)
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×1檔: 0~17.1mV
×10: 0~171mV
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1μV
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0.05
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普
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1320
1580
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2-12
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FMUJ31
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環(huán)
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2-13
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UJ33a
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直流(高)電位差計(jì)
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×0.1檔: 0~21.11mV
×1檔: 0~211.1mV
×5檔: 0~1.0550V
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1μV
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0.05
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池
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1320
1620
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2-14
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FMUJ33a
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環(huán)
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2-15
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UJ33b
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直流(高)電位差計(jì)
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×0.1檔: 0~21mV
×1檔: 0~210mV
×10檔: 0~2.1V
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1μV
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0.05
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池
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1680
1980
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2-16
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FMUJ33b
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環(huán)
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2-17
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UJ36a
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直流(低)電位差計(jì)
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×0.2檔: 0~46mV
×1檔: 0~230mV
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10μV
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0.1
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池
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1050
1250
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2-18
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FMUJ36a
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環(huán)
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2-19
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UJ36
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直流(低)電位差計(jì)
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×0.2: 0~24.0mV
×1: 0~120mV
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5μV
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0.1
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池
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950
1150
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2-20
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FMUJ36
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環(huán)
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2-21
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FMUJ60
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直流(高)電位差計(jì)
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0~11.9999V
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0.1μV
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0.01
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環(huán)
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6000
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2-22
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87-1
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教學(xué)用(高)電位差計(jì)
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0~1.700V
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1mV
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0.2
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池
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830
1080
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2-25
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FM87-1
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環(huán)
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2-26
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FMA
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學(xué)生型(高)電位差計(jì)學(xué)生型(高)電位差計(jì)
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×0.1檔: 0~21.10mV
×1檔: 0~211.0mV
×10檔: 0~2.110V
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1mV
100μV
10μV
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0.2
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池
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1180
1930
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2-27
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FMFA
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環(huán)
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2-28
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FMC
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組合式直流(高)電位差計(jì)
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0~2.311110V
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1μV
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0.01
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環(huán)
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4680
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