YJ49a電位差計(jì)、單雙臂電橋?qū)Ｓ秒娫?/p>
產(chǎn)品概述
YJ49a型高精度直流穩(wěn)壓電源是一款專為直流電位差計(jì)及單雙臂電橋設(shè)計(jì)的配套電源設(shè)備，可輸出2V、4V、6V三種電壓，電流輸出范圍為十幾毫安。該產(chǎn)品廣泛應(yīng)用于廠礦企業(yè)、高校實(shí)驗(yàn)室等場(chǎng)景，適配多種直流電位差計(jì)（如UJ9、UJ24、UJ25、UJ29、UJ26、UJ14、UJ31、UJ35、UJ51等型號(hào)），但不適用于UJ32、UJ42型電位差計(jì)。其設(shè)計(jì)注重快速響應(yīng)與穩(wěn)定性，預(yù)熱時(shí)間僅需15分鐘，相比傳統(tǒng)型號(hào)大幅縮短了準(zhǔn)備時(shí)間。110
技術(shù)特點(diǎn)
YJ49a采用獨(dú)特的電路設(shè)計(jì)，內(nèi)部不含標(biāo)準(zhǔn)電池，避免了電解液泄漏腐蝕電路板的風(fēng)險(xiǎn)。其輸出電壓每10分鐘漂移控制在3×10⁻⁶至10×10⁻⁶范圍內(nèi)，紋波電壓低于1μV，具備輸出短路保護(hù)及自動(dòng)恢復(fù)功能。產(chǎn)品尺寸為220×105×175毫米（可能存在小幅變動(dòng)），重量約2kg，工作環(huán)境要求濕度低于80%且無(wú)腐蝕性氣體。通過(guò)優(yōu)化電流輸出特性，該電源在保證精度的同時(shí)實(shí)現(xiàn)了更緊湊的結(jié)構(gòu)設(shè)計(jì)。1611
產(chǎn)品優(yōu)勢(shì)
與同類產(chǎn)品相比，YJ49a在操作便捷性和維護(hù)成本方面表現(xiàn)突出。其面板配置了電源開(kāi)關(guān)和三檔電壓切換開(kāi)關(guān)，用戶可根據(jù)電位差計(jì)需求快速調(diào)整輸出電壓。產(chǎn)品采用220V市電供電，背部插孔設(shè)計(jì)簡(jiǎn)化了連接流程。特殊設(shè)計(jì)的溫控系統(tǒng)使得設(shè)備在長(zhǎng)時(shí)間工作時(shí)仍能保持穩(wěn)定性，適合需要連續(xù)測(cè)量的實(shí)驗(yàn)場(chǎng)景。對(duì)于教學(xué)用途的十一線板式電位差計(jì)，該電源也能提供理想的配套支持。3415
Product Overview
The YJ49a high-precision DC regulated power supply is specifically designed for DC potentiometers and single/double-arm bridges, providing three output voltages (2V, 4V, 6V) with a current range of several milliamperes. This equipment is widely used in industrial plants and university laboratories, compatible with most DC potentiometers including UJ9, UJ24, UJ25 series, though not suitable for UJ32 and UJ42 models. Its optimized thermal design achieves operational readiness within 15 minutes of warm-up time. 19
Technical Features
Featuring an advanced circuit architecture without standard battery components, the YJ49a eliminates risks of electrolyte leakage and board corrosion. It maintains exceptional stability with voltage drift limited to 3-10×10⁻⁶ per 10 minutes and ripple voltage below 1μV. The built-in short-circuit protection with auto-recovery function ensures device safety. Compact dimensions (220×105×175mm) and 2kg weight make it ideal for space-constrained lab environments, operating under humidity <80% conditions. 61013
Operational Benefits
This power supply offers remarkable user convenience through front-panel voltage selection switches and standard 220V AC input. The thermal management system guarantees consistent performance during prolonged measurements, particularly beneficial for educational applications like 11-wire plate-type potentiometers. Compared to conventional models, its maintenance-free design and fast stabilization significantly improve workflow efficiency in precision measurement scenarios. 4514
YJ49a電位差計(jì)、單雙臂電橋?qū)Ｓ秒娫?
的詳細(xì)介紹
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電位差計(jì)、單雙臂電橋?qū)Ｓ秒娫?/font>
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序號(hào)
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型號(hào)
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輸出電流
mA
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輸出電壓
V
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飄移
/10 hour
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預(yù)熱時(shí)間
min
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備 注
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出廠價(jià)￥
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2-38
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YJ24-1
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0～25
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1.5～6
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2×10-5
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15
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適用于各種電位差計(jì)
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600
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2-39
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YJ49
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0～40
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2,4,6
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1×10-5
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15
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1880
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2-40
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YJ49a
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0～1000
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0～6
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1×10-5
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15
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適用于各種單雙臂電橋、電位差計(jì)包括11線板式電位差計(jì)
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2200
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