YB2172交流毫伏表/YB-2172
YB2172交流毫伏表產(chǎn)品介紹
YB2172交流毫伏表是一款高性能電子測(cè)量儀器，專為精確測(cè)量正弦波有效值電壓而設(shè)計(jì)。該產(chǎn)品采用進(jìn)口編碼開關(guān)和微型計(jì)算機(jī)控制技術(shù)，具有手感輕便、結(jié)構(gòu)緊湊、可靠性高等特點(diǎn)。測(cè)量電壓范圍覆蓋100μV至300V，頻率響應(yīng)范圍為5Hz至2MHz，滿足不同場景下的測(cè)試需求。儀器配備兩路獨(dú)立電壓測(cè)量放大電路，可通過跟蹤功能方便觀察兩個(gè)被測(cè)信號(hào)的差異，同時(shí)提供測(cè)量信號(hào)監(jiān)視輸出功能。產(chǎn)品采用發(fā)光二極管清晰指示量程和狀態(tài)，操作直觀便捷，適用于收音機(jī)、電視機(jī)等電子設(shè)備生產(chǎn)線的檢測(cè)以及學(xué)校實(shí)驗(yàn)室、科研單位的實(shí)驗(yàn)研究。124
Product Introduction of YB2172 AC Millivoltmeter
The YB2172 AC Millivoltmeter is a high-precision electronic measuring instrument designed for accurate measurement of sine wave RMS voltage. Featuring imported encoder switches and microcomputer-controlled technology, this product offers lightweight operation, compact structure, and high reliability. With a measurement voltage range from 100μV to 300V and frequency response from 5Hz to 2MHz, it meets various testing requirements. The instrument is equipped with two independent voltage measurement amplification circuits, allowing convenient observation of differences between two measured signals through tracking function, while providing monitoring output of measurement signals. Clear LED indicators display range and status for intuitive operation, making it suitable for production line testing of electronic devices like radios and televisions, as well as experimental research in school laboratories and scientific institutions.1410
產(chǎn)品技術(shù)特點(diǎn)
該產(chǎn)品采用超β低噪聲晶體管和屏蔽隔離工藝，顯著提高了小信號(hào)測(cè)量精度和線性度。輸入阻抗高達(dá)10MΩ以上，換量程無需調(diào)零，大大提升了測(cè)試效率。儀器具有十二檔電壓量程（1mV-300V）和十二檔分貝量程（-60dB至+50dB），支持兩種dB電壓刻度顯示。噪聲水平低于滿刻度的2%，在基準(zhǔn)條件下電壓固有誤差不超過滿刻度的±3%。產(chǎn)品設(shè)計(jì)考慮了實(shí)際使用環(huán)境，工作溫度范圍為0-40℃，適應(yīng)相對(duì)濕度35%-90%的工況條件，確保在各種環(huán)境下穩(wěn)定工作。7912
Technical Features
The product utilizes ultra-β low-noise transistors and shielding isolation technology, significantly improving small-signal measurement accuracy and linearity. With input impedance exceeding 10MΩ and no need for zero adjustment when changing ranges, it greatly enhances testing efficiency. The instrument provides twelve voltage ranges (1mV-300V) and twelve decibel ranges (-60dB to +50dB), supporting two types of dB voltage scale displays. Noise level is below 2% of full scale, with inherent voltage error within ±3% of full scale under reference conditions. Designed for practical environments, it operates stably within 0-40℃ temperature range and 35%-90% relative humidity, ensuring reliable performance in various conditions.71415
應(yīng)用場景與使用便利性
YB2172交流毫伏表廣泛應(yīng)用于電子制造、維修檢測(cè)、教學(xué)實(shí)驗(yàn)等多個(gè)領(lǐng)域。其人性化設(shè)計(jì)包括機(jī)械零點(diǎn)調(diào)節(jié)功能，開機(jī)前可方便校準(zhǔn)指針位置；量程旋鈕配備最大量程保護(hù)設(shè)計(jì)，防止誤操作損壞儀器；后面板設(shè)有交流輸出端口，便于信號(hào)監(jiān)測(cè)。產(chǎn)品電源采用AC220V±10%供電，預(yù)熱時(shí)間約5分鐘即可進(jìn)入穩(wěn)定工作狀態(tài)。緊湊的機(jī)身尺寸（約140×270×210mm）和合理的重量分布，使儀器便于攜帶和放置，適合工作臺(tái)面或移動(dòng)測(cè)試使用。61113
Application Scenarios and User Convenience
The YB2172 AC Millivoltmeter is widely used in electronics manufacturing, maintenance testing, and educational experiments. Its user-friendly design includes mechanical zero adjustment for easy calibration before operation, maximum range protection to prevent damage from misuse, and rear panel AC output ports for signal monitoring. Powered by AC220V±10%, it reaches stable operation after approximately 5 minutes of warm-up time. With compact dimensions (about 140×270×210mm) and well-balanced weight distribution, the instrument is portable and suitable for both benchtop and mobile testing applications.61722
·監(jiān)視輸出電壓：1Vrms±10·輸入阻抗：≤10MΩ·輸入電容：≤50pF·輸出電壓頻率響應(yīng)：5Hz-2MHz ±3參照1kHz無負(fù)載·電源電壓：~220V 50HzYB2172交流毫伏表
YB2172交流毫伏表/YB-2172
YB2172交流毫伏表
的詳細(xì)介紹
· 單指針毫伏表
· 有測(cè)量信號(hào)監(jiān)視輸出
· 測(cè)量精度高
· 塑料框架，外形美觀
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技術(shù)指標(biāo):
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·電壓測(cè)量范圍： 100μV-300V / 30μV~100V
·電壓測(cè)量頻率范圍： 5Hz-2MHz
·刻度值：正弦波有效值1V=0db值，1mW=0dbm 的dbm值
·電壓量程：12檔 100μV-300V
·分貝量程：12檔 -60db~+50db
·測(cè)量電壓誤差：1kHz 為基準(zhǔn)：滿度 ≤±3
·頻率響應(yīng)：20Hz-200kHz ≤±3，5Hz-20Hz、200kHz-2MHz ≤±10
·大輸入電壓 DC+Acp-p：300V 1mV-1V 量程 500V 3V-300V 量程
·監(jiān)視輸出電壓：1Vrms±10
·輸入阻抗：≤10MΩ
·輸入電容：≤50pF
·輸出電壓頻率響應(yīng)：5Hz-2MHz ±3參照1kHz無負(fù)載
·電源電壓：~220V 50Hz
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