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ZX21a旋轉(zhuǎn)式電阻箱是一種高精度、多功能的電子測(cè)量設(shè)備，廣泛應(yīng)用于電子實(shí)驗(yàn)室、科研機(jī)構(gòu)、教學(xué)單位以及各類電子產(chǎn)品研發(fā)和檢測(cè)場(chǎng)所。它采用先進(jìn)的電阻元件和精密的機(jī)械結(jié)構(gòu)設(shè)計(jì)，能夠提供穩(wěn)定、可靠的電阻值輸出，滿足多種電子電路測(cè)試和校準(zhǔn)需求。

該電阻箱的外觀設(shè)計(jì)簡(jiǎn)潔大方，外殼采用堅(jiān)固耐用的材料制成，具有良好的抗干擾能力和機(jī)械穩(wěn)定性。前面板布局合理，操作界面清晰易懂，便于用戶快速上手操作。其電阻值調(diào)節(jié)范圍寬廣，從幾歐姆到數(shù)兆歐姆，能夠覆蓋大多數(shù)常見(jiàn)的電子電路應(yīng)用場(chǎng)景。通過(guò)旋轉(zhuǎn)式調(diào)節(jié)旋鈕，用戶可以輕松、精確地設(shè)置所需的電阻值，調(diào)節(jié)過(guò)程平穩(wěn)無(wú)跳變，確保測(cè)量的準(zhǔn)確性。

在內(nèi)部結(jié)構(gòu)方面，ZX21a旋轉(zhuǎn)式電阻箱采用了高質(zhì)量的電阻元件，這些元件經(jīng)過(guò)嚴(yán)格篩選和測(cè)試，具有低溫度系數(shù)、高精度和良好的長(zhǎng)期穩(wěn)定性。電阻元件之間的連接采用先進(jìn)的焊接工藝，確保連接牢固可靠，避免因接觸不良導(dǎo)致的測(cè)量誤差。同時(shí)，電阻箱內(nèi)部還設(shè)有良好的散熱通道，能夠在長(zhǎng)時(shí)間使用過(guò)程中保持元件的性能穩(wěn)定，延長(zhǎng)使用壽命。

此外，ZX21a旋轉(zhuǎn)式電阻箱還具備一些實(shí)用的功能特點(diǎn)。例如，它配備了標(biāo)準(zhǔn)的測(cè)試接口，方便與各種電子測(cè)量?jī)x器連接，實(shí)現(xiàn)自動(dòng)化測(cè)量和數(shù)據(jù)采集。電阻箱還具備一定的過(guò)載保護(hù)功能，當(dāng)電路中出現(xiàn)異常電流時(shí)，能夠自動(dòng)切斷電源，保護(hù)電阻元件和連接的設(shè)備不受損壞。這些功能的加入，使得ZX21a旋轉(zhuǎn)式電阻箱在使用過(guò)程中更加安全、便捷和高效。

總的來(lái)說(shuō)，ZX21a旋轉(zhuǎn)式電阻箱以其優(yōu)良的性能、可靠的品質(zhì)和便捷的操作，成為了電子測(cè)量領(lǐng)域中不可或缺的工具之一。無(wú)論是在基礎(chǔ)教學(xué)實(shí)驗(yàn)中幫助學(xué)生理解電路原理，還是在復(fù)雜電子產(chǎn)品研發(fā)過(guò)程中進(jìn)行精確的參數(shù)測(cè)試，它都能發(fā)揮重要的作用，為電子技術(shù)的發(fā)展和應(yīng)用提供有力的支持。

English Introduction

The ZX21a rotary resistance box is a high-precision, multifunctional electronic measuring device widely used in electronic laboratories, research institutions, educational units, and various electronic product R&D and testing sites. It features advanced resistance components and a precise mechanical structure design, providing stable and reliable resistance output to meet the testing and calibration needs of a variety of electronic circuits.

The appearance of the ZX21a rotary resistance box is simple and elegant. The casing is made of sturdy and durable materials, offering good anti-interference and mechanical stability. The front panel has a rational layout with a clear and easy-to-understand operating interface, making it convenient for users to quickly get started. The resistance adjustment range is extensive, from a few ohms to several megaohms, covering most common electronic circuit application scenarios. With the rotary adjustment knob, users can easily and accurately set the desired resistance value. The adjustment process is smooth and free from jumps, ensuring the accuracy of measurements.

In terms of internal structure, the ZX21a rotary resistance box uses high-quality resistance components. These components have been strictly selected and tested, featuring low temperature coefficients, high precision, and good long-term stability. The connections between resistance components are made using advanced welding techniques, ensuring a solid and reliable connection to avoid measurement errors caused by poor contact. Additionally, the resistance box has a well-designed cooling channel inside, which helps maintain the performance stability of the components during prolonged use and extends their service life.

Moreover, the ZX21a rotary resistance box comes with some practical functional features. For example, it is equipped with standard test interfaces, facilitating the connection with various electronic measuring instruments for automated measurements and data collection. The resistance box also has a certain overload protection function. When abnormal current appears in the circuit, it can automatically cut off the power supply to protect the resistance components and connected devices from damage. These added functions make the ZX21a rotary resistance box safer, more convenient, and more efficient to use.

In summary, the ZX21a rotary resistance box, with its excellent performance, reliable quality, and convenient operation, has become an indispensable tool in the field of electronic measurement. Whether it is used in basic teaching experiments to help students understand circuit principles or in the complex electronic product R&D process for precise parameter testing, it can play an important role and provide strong support for the development and application of electronic technology.

ZX21a旋轉(zhuǎn)式電阻箱
的詳細(xì)介紹

直流電阻箱(多值可調(diào))

序號(hào)

型號(hào)

開(kāi)關(guān)數(shù)

名稱

示值范圍Ω

小步進(jìn)Ω

準(zhǔn)確度%

出廠價(jià)￥

3-1

ZX21

6

旋轉(zhuǎn)式電阻箱

0～99999.9

0.1

0.1

300

3-2

ZX21a

6

旋轉(zhuǎn)式電阻箱

0～111111.0

0.1

0.1

600

3-3

ZX21b

6

旋轉(zhuǎn)式電阻箱

0～99999.9

0.1

0.1

600

3-4

ZX21c

6

旋轉(zhuǎn)式電阻箱

0～11111.10

0.01

0.1

800

3-5

ZX21d

6

旋轉(zhuǎn)式電阻箱

0～1.111110M

1

0.5

800

3-6

ZX21e

6

旋轉(zhuǎn)式電阻箱

0～11.11110M

10

1

800

3-7

ZX21f

6

旋轉(zhuǎn)式電阻箱

0～111.1110M

100

2

1000

3-8

ZX21g

6

旋轉(zhuǎn)式電阻箱

0～1.111110G

1000

5

1200

3-9

ZX25a

6

開(kāi)關(guān)式直流電阻箱

0．01～11111.11

0.01

0.02

1320

3-10

ZX35

3

旋轉(zhuǎn)式電阻箱

0～1110

1

0.1

510

3-11

ZX36

4

旋轉(zhuǎn)式電阻箱

0～9999

1

0.2

280

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實(shí)驗(yàn)室設(shè)備

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產(chǎn)品詳細(xì)：

ZX21a旋轉(zhuǎn)式電阻箱產(chǎn)品介紹

中文介紹

English Introduction

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