voltmeter

美 [?vo?lt?mit?r] 　英 [?v??lt?mi?t?(r)]

• n.電壓表；伏特計(jì)
• 網(wǎng)絡(luò)電壓計(jì)；伏特表；電壓電量計(jì)

詞形變化

復(fù)數(shù)：voltmeters  

英漢雙解

英漢解釋

n.	1. 【電】電壓表,伏特計(jì)

英英解釋

n.	1. a piece of equipment used for measuring voltage

例句

To obtain a KVL equation, we must tally voltage drops in a loop of the circuit, as though we were measuring with a real voltmeter.

要獲得一個(gè)KVL方程式，我們必須計(jì)算該回路中某一環(huán)路中的電壓降，好像我們是在用一臺(tái)真正的電壓表進(jìn)行測(cè)量一樣。

The range of a voltmeter may be extended by means of a series resistor called a multiplier as shown in FIG.

如圖2所示，采用一種稱為倍增電阻的串聯(lián)電阻器即可擴(kuò)大伏特表的量程。

A voltmeter is an instrument used for measuring the electrical potential difference between two points in an electric circuit.

伏特計(jì)是用于測(cè)量電路中兩點(diǎn)之間電勢(shì)差的儀器。

The holiday detector shall be checked with a DC voltmeter at least once each shift to ensure accuracy.

應(yīng)至少在每次換班時(shí)用直流電伏特計(jì)檢查一次漏涂檢測(cè)儀以確保其準(zhǔn)確度。

The frequency at which the voltmeter's response to an AC signal drops to 70% is often denoted as the "3dB point" (f3dB).

電壓表對(duì)交流信號(hào)的響應(yīng)降低到70%時(shí)的頻率常常稱為“3dB點(diǎn)”（f3dB）。

Our end-users consider the Voltmeter to be unfit from application and claim that the instrument to be replaced by you with a sound one.

我方用戶認(rèn)為該電量計(jì)不適于使用，要求你方用一只好的替換。

If the current cannot be reduced, use a narrow current pulse and a fast responding voltmeter.

如果不能降低電流的話，使用窄的電流脈沖和快速響應(yīng)的電壓表。

Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.

在理想的情況下，當(dāng)把電壓表連接到一個(gè)沒(méi)有電壓的、阻抗比較低的電路時(shí)，電壓表的讀數(shù)應(yīng)當(dāng)為零。

The panel is placed in a solar simulator. Negative and positive contacts of the solar panel are connected to a voltmeter.

把板放置在一個(gè)太陽(yáng)模擬器中。無(wú)論是與太陽(yáng)能電池板正面或者反面接觸，都連接到電壓表。

The paper mainly discusses the design principle and chief techniques of a high accuracy programmable digital voltmeter.

本文論述了高精度程控數(shù)字電壓表的設(shè)計(jì)原理及實(shí)現(xiàn)的方法。

Another consideration when measuring voltages from high resistance sources is the input bias current of the voltmeter.

在測(cè)量高電阻源時(shí)要考慮的另一個(gè)問(wèn)題是電壓表的輸入偏置電流。

The circuit of the electrometer when used as a voltmeter is actually as shown in Figure 2-6.

當(dāng)靜電計(jì)作為電壓表使用時(shí)，其電路實(shí)際上如圖2-6所示。

The BNC jack can be connected to a scope or a true-RMS AC voltmeter to measure the degree of imbalance.

是的BNC插孔可以連接到范圍或一個(gè)真正的有效值交流電壓表測(cè)量程度的不平衡。

It is convenient to include the functions of a voltmeter , ammeter, and ohmmeter within one instrument.

人們把伏特表，安培表，歐姆表集中在一只儀表內(nèi)是非常方便的。

Operation can be conducted after the indicating value of direct current voltmeter of the panel is zero.

待面板的直流電壓表的指示值為0時(shí)方可進(jìn)行操作。

However, in spite of all this similarity between a voltmeter and an ammeter there are also important differences.

可是盡管伏特表與安培表之間有這些類似之處，但還有若干重要的差別。

To measure the potential difference, a voltmeter is connected across the coil.

（狀語(yǔ)）伏特計(jì)跨接在線圈兩端，以便測(cè)量電位差。

To reduce error due to voltmeter non-ohmic contacts, use shielding and appropriate grounding to reduce AC pickup.

為了降低電壓表的非歐姆接觸所產(chǎn)生的誤差，采用屏蔽和適當(dāng)的接地措施來(lái)降低交流干擾。

I graduated from the core task is to design: FPGA to create a VHDL-based language of the digital voltmeter.

我的畢業(yè)設(shè)計(jì)的核心任務(wù)是：采用FPGA來(lái)制作一個(gè)基于VHDL語(yǔ)言編寫的數(shù)字電壓表。

The offset voltage will cause an error in the applied stimulus to a device under test or the value measured by the voltmeter.

偏移電壓會(huì)導(dǎo)致施加到被測(cè)裝置的激勵(lì)發(fā)生誤差，或者使伏特計(jì)的測(cè)量值發(fā)生誤差。

Low-cost DVM (digital-voltmeter) modules are economical and can significantly reduce design time for instrumentation.

廉價(jià)的DVM（數(shù)字電壓表）模塊經(jīng)濟(jì)，能顯著減少儀器的設(shè)計(jì)時(shí)間。

Voltage is measured with a voltmeter, connected in parallel.

電壓應(yīng)并聯(lián)在電路中的電壓表來(lái)測(cè)量。

The testing system was composed of signal amplifer, digital voltmeter, data acquisition unite and computer.

由信號(hào)放大器、數(shù)字電壓表、數(shù)據(jù)采集器、計(jì)算機(jī)等組成測(cè)量系統(tǒng)。

The voltmeter is an electrical instrument for measurement of voltage.

伏特計(jì)是用來(lái)測(cè)量電壓的儀表。

And the excitation voltage and output were also fed through the selector switch to the digital voltmeter.

其激勵(lì)電壓和輸出也通過(guò)選擇開關(guān)接到數(shù)字電壓表上。

Ammeter , voltmeter , bridge and similar common methods are typical equipment types .

電流表、電壓表、電橋以及類似的常見(jiàn)儀器都屬于常用的設(shè)備。

Fig 3. Typical system to make I-V curves on solar cells, consisting of a current source and voltmeter.

圖3.對(duì)太陽(yáng)能電池進(jìn)行I-V曲線測(cè)量的典型系統(tǒng)，由一個(gè)電流源和一個(gè)伏特計(jì)組成。

The resistance can be measured by employing the ammeter and voltmeter.

電阻可以通過(guò)電流表和電壓表測(cè)得。

There is no longer the need to investigate the site using a voltmeter so time savings are made.

不再需要調(diào)查使用電壓表，因此節(jié)省時(shí)間進(jìn)行的站點(diǎn)。

Volt general receive switch device should have a voltmeter(with changeover)and a ammeter.

380伏總受電開關(guān)裝置應(yīng)設(shè)置一塊電壓表（帶轉(zhuǎn)換開關(guān)）和一塊電流表。

I recommend that you have the phone company use a voltmeter to test the ring generator voltage on your line.

我建議你有電話公司使用電壓測(cè)試環(huán)發(fā)電機(jī)電壓您行。

It adopts PLC control system, touch screen and digital displayed voltmeter adjustment.

該機(jī)采用PLC、觸摸屏自動(dòng)控制系統(tǒng)及數(shù)顯電壓表微調(diào)控溫。

If the input leads of the voltmeter are reversed, we have the situation shown in Figure 3-13b.

如果我們把電壓表的輸入引線反向，就得到了如圖3-13b的情況。

The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.

三刀開關(guān)最早用于切換伏特計(jì)保護(hù)及信號(hào)線路。

The voltmeter is read to make sure that the panels supply the electric current required.

讀取的電壓，以確保面板供應(yīng)電流要求。

Figure 2-7 demonstrates the effects of shunt capacitance loading on the input of a typical high impedance voltmeter.

圖2-7說(shuō)明分流電容對(duì)典型的高輸入阻抗電壓表輸入端的影響。

a mimosa's leaves are sensitive to touch; a sensitive voltmeter; sensitive skin; sensitive to light.

含羞草的葉子對(duì)觸摸很敏感；靈敏的伏特計(jì)；敏感的皮膚；感光的。

If the voltmeter contacts are non-ohmic, they may rectify any AC pickup present and cause a DC offset error.

如果電壓表接點(diǎn)有非歐姆接觸特性，那么它就可能對(duì)出現(xiàn)的任何交流干擾進(jìn)行整流并引起直流偏置誤差。

The voltmeter will read the difference between the two electrometers' buffer outputs, which is equal to the voltage across R2.

電壓表將讀出兩個(gè)靜電計(jì)的緩沖輸出之間的差值，該值等于R2上的電壓。

direct current voltmeter descending to the lowest location.

直流電壓表指針降置最低后方可進(jìn)行！