福祿克 A40B系列精密電流分流器 選件
名稱：儀器附件及傳感器
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簡介：福祿克 A40B系列精密電流分流器 選件,A40B系列精密電流分流 Precision, low inductance shunts for DC and AC current metrology 高精度，低電感分流的直流和交流電流測量 T...
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福祿克 A40B系列精密電流分流器 選件,A40B系列精密電流分流
Precision, low inductance shunts for DC and AC current metrology 高精度，低電感分流的直流和交流電流測量
The A40B Precision Current Shunt Set consists of 14 low-inductance coaxial current shunts, adapters and connectors, and a rugged transit/storage case. 該A40B精密電流分流設(shè)置由14個(gè)低電流電感同軸分流，適配器和連接器，和一個(gè)堅(jiān)固的過境/儲(chǔ)存情況。 Designed for currents from 1 mA to 100A, the current shunts are for laboratory use in making directly measured absolute ac or dc current measurements as well as ac/dc current transfer measurements. 設(shè)計(jì)電流1毫安至100號(hào)A ，目前的分流是實(shí)驗(yàn)室使用 ， 使直接測量絕對(duì)交流或直流電流測量 ， 以及對(duì)AC / DC 電流傳輸測量。 They exhibit outstanding resistance value stability, with an excellent self-heating power coefficient, and a low temperature coefficient. 他們表現(xiàn)出杰出的電阻值穩(wěn)定，良好的自我加熱功率系數(shù)和低溫度系數(shù)。 With all of these characteristics combined, the shunts offer direct measurement of current from dc to 100 kHz with higher accuracy than previous commercially available shunt technology. 所有這些特點(diǎn)結(jié)合起來，提供直接的分流測量電流DC至100千赫與更高的精度比以往商用分流技術(shù)。 Now precision measurements can be made in a single step process rather than by more complex traditional ac/dc transfer methods. 現(xiàn)在 ， 高精度測量 ， 可在一個(gè)單一步驟的過程 ， 而不是更復(fù)雜的傳統(tǒng)的AC / DC 轉(zhuǎn)移方法。
A40B系列精密電流分流
Simplifies calibration/verification of precision calibrators and current sources簡化了校準(zhǔn)/檢定的精確校準(zhǔn)器和電流源
Shunts sized for currents from 1mA to 100A分流大小的電流1毫安到100號(hào)A
Usable from dc to 100 kHz可從DC至100千赫
14 individual shunts with a 1, 2, 5 sequence over 6 decades of current 14個(gè)人分流了1 ， 2 ， 5序列超過6幾十年的現(xiàn)行
Simple direct measurements, making ac/dc transfers unnecessary簡單的直接測量，決策的AC / DC轉(zhuǎn)讓不必要
Stability typically better then ± 5.0 µΩ/Ω for one year更好的穩(wěn)定性通常然后± 5.0 μΩ / Ω一年
Typical angular accuracy of better than ± 0.003º at 1 kHz典型角精度優(yōu)于± 0.003 º在1 KHz
Application 應(yīng)用程序
The wide range of shunt values permit measuring from 0.1mA to 100 Amps. 范圍廣泛的分流值允許測量由0.1毫安到100安培。 The physical construction and the components used in the current shunts ensure that the frequency response is very flat (amplitude displacement error relative to dc resistance). 有形建筑和組件使用在目前的分流確保頻率響應(yīng)非常平坦（振幅位移誤差相對(duì)直流電阻） 。 Also the phase displacement at 100 kHz is small enough to be neglected in all but the highest accuracy measurements. 另外 ， 相位移100千赫是小到可以忽略 ， 但在所有的最高精度測量。 Combined with excellent dc resistance stability, the shunts can be used to directly measure current through their full bandwidth. 加上出色的直流電阻穩(wěn)定，分流可用于直接測量電流通過他們的全部帶寬。 This simplifies precision ac current measurements as the complex ac/dc transfer measurement process will no longer be necessary for many precision current measurement applications. These characteristics make the A40B shunts ideal for traditional precision current applications such as calibrator verification. 這簡化了交流電流測量精度為復(fù)雜的AC / DC 測量轉(zhuǎn)讓過程將不再有必要對(duì)許多精密電流測量應(yīng)用。這些特點(diǎn)使該A40B分流適合傳統(tǒng)精密電流應(yīng)用 ， 如校準(zhǔn)核查。 Also, the wide current range allows verification of high current transconductance amplifiers. 此外，全電流范圍允許核查高電流跨導(dǎo)放大器。 The low phase shift error is critical for measurement of non sinusoidal wave shapes, as found in power quality or sampling digital wattmeter measurement applications. 低相移誤差是至關(guān)重要的衡量非正弦波形狀，在電能質(zhì)量或取樣數(shù)字瓦特計(jì)測量應(yīng)用。
Technical overview 技術(shù)簡介
The shunts come in four different sizes. 分流來的四個(gè)不同的尺寸。 The full set includes: 整套包括：
four fully enclosed shunts: 1 mA, 10 mA, 20 mA, 50 mA四個(gè)全封閉分流：一毫安，一零毫安， 20毫安， 50毫安
five small size radial shunts: 100 mA, 200 mA, 500 mA, 1 A, 2 A五小規(guī)模徑向分流：一〇 〇毫安， 200毫安， 500毫安， 1 ， 2
three medium size radial shunts: 5A, 10 A, 20 A三個(gè)中型徑向分流： 5A型， 10 ， 20
two large size radial shunts: 50 A, 100 A兩個(gè)大型徑向分流： 50 ， 100
Voltage output is nominally 0.8 volts for the nominal rated current input. 輸出電壓0.8伏特 ， 名義上的標(biāo)稱額定電流輸入。 The output is measured by a voltmeter or detector, such as precision voltmeters, ac measurement standards, ac/dc transfer standards, or thermal voltage converters, fitting them to a wide variety of metrology applications. 輸出電壓的測量或檢測器，如精密電壓表，交流計(jì)量標(biāo)準(zhǔn)，交流/直流轉(zhuǎn)換標(biāo)準(zhǔn)，或熱電壓轉(zhuǎn)換器，適合他們的各種計(jì)量應(yīng)用。
The radial style shunt design gives high performance with minimum external magnetic fields. 徑向式分流設(shè)計(jì)提供高性能與最小的外部磁場干擾。 Plus, the open nature of the physical design maximizes air flow so the shunts have a minimal power coefficient effects. 另外，開放性的物理設(shè)計(jì) ， 以便最大限度地提高氣流的分流一個(gè)小功率系數(shù)的影響。 This permits each shunt to be used over a wide range of currents with stable resistance characteristics. 這使每個(gè)分流用于多種電流穩(wěn)定的阻力特性。
The shunt resistance is designed to minimize interaction with the detector instrumentation. 分流電阻是為了盡量與探測器儀器。 The 100 Amp shunt resistance is 8 milliohms, with shunt resistance increasing to 80 ohms for the 10 mA shunt. 100安培分流電阻8毫，與分流電阻增加至80歐姆的一十毫安分流。 Additionally, the 1mA shunt includes an internal battery operated buffer amplifier. 此外，一毫安分流包括一個(gè)內(nèi)置電池操作的緩沖放大器。 It drives the output voltage so the 800 ohm shunt resistance has minimal interaction with the measurement device. 該驅(qū)動(dòng)器的輸出電壓 ， 使800歐姆分流電阻最小的互動(dòng)與測量設(shè)備。
Reports of calibration 報(bào)告校準(zhǔn)
The A40B series of precision current shunts come standard with a report of traceable calibration including data. 一系列的A40B精密電流分流器的標(biāo)準(zhǔn)配備的報(bào)告可追蹤校準(zhǔn)包括數(shù)據(jù)。 17025A Accredited reports of calibration are available as an optional service. 17025A校準(zhǔn)認(rèn)可報(bào)告可作為一個(gè)可選服務(wù)。
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