FMUJ36a直流(低)電位差計(jì)
產(chǎn)品概述
FMUJ36a直流(低)電位差計(jì)是一款便攜式高精度測(cè)量?jī)x器，采用補(bǔ)償法原理設(shè)計(jì)，適用于實(shí)驗(yàn)室、車間及野外環(huán)境下的直流電壓（或電動(dòng)勢(shì)）測(cè)量。該設(shè)備無需外接附件即可直接測(cè)量熱電偶熱電勢(shì)，通過換算還可用于直流電阻、電流等參數(shù)的測(cè)量。儀器內(nèi)置集成放大器和基準(zhǔn)電源，采用干電池供電，有效避免工業(yè)干擾，確保測(cè)量穩(wěn)定性。312
技術(shù)特點(diǎn)
FMUJ36a具備0.1%的測(cè)量精度，提供×0.2檔（0~46mV）和×1檔（0~230mV）兩檔量程，最小分度值分別為10μV和50μV。儀器采用錳銅合金雙線無感繞制電阻，經(jīng)人工老化處理確保長(zhǎng)期穩(wěn)定性。工作電流為6mA，由4節(jié)1.5V干電池供電，可持續(xù)工作約200小時(shí)。整機(jī)重量約4kg，尺寸為270×230×140mm，配備防震外殼，適合移動(dòng)使用。3615
功能應(yīng)用
該電位差計(jì)可校驗(yàn)各類毫伏表、電子電位計(jì)等工業(yè)儀表，配合熱電偶能快速檢測(cè)溫度并校準(zhǔn)二次溫度儀表。通過標(biāo)準(zhǔn)電阻擴(kuò)展功能，可實(shí)現(xiàn)直流電阻、電流的間接測(cè)量。儀器特別設(shè)計(jì)測(cè)量-輸出切換開關(guān)，可輸出標(biāo)準(zhǔn)電壓信號(hào)用于設(shè)備調(diào)試。內(nèi)置晶體管放大檢流計(jì)靈敏度達(dá)1μV/格，支持快速零點(diǎn)校準(zhǔn)。21223
使用優(yōu)勢(shì)
FMUJ36a操作簡(jiǎn)便，開機(jī)預(yù)熱3分鐘后即可通過步進(jìn)盤和滑線盤完成測(cè)量，讀數(shù)直觀。采用獨(dú)立電池供電方案，不受場(chǎng)地限制，在5℃~35℃環(huán)境溫度下均能保持性能。儀器配備防短路保護(hù)電路，耐500V交流電壓沖擊，核心部件絕緣電阻大于100MΩ。維護(hù)時(shí)僅需定期更換干電池，長(zhǎng)期存放建議取出電池。111520
Product Overview
The FMUJ36a DC (Low) Potentiometer is a portable precision instrument based on compensation principle, designed for measuring DC voltage (or EMF) in laboratories, workshops, and field environments. With built-in integrated amplifier and reference power supply, it directly measures thermocouple signals without external accessories. Battery-powered design effectively eliminates industrial interference, ensuring stable operation. 326
Key Features
This potentiometer delivers 0.1% accuracy with dual ranges: ×0.2 (0~46mV) and ×1 (0~230mV), featuring minimum resolutions of 10μV and 50μV respectively. Manganin alloy resistors with bifilar winding guarantee long-term stability. Operating at 6mA current, it runs on four 1.5V dry batteries for approximately 200 hours. The compact unit (270×230×140mm, 4kg) features shock-resistant casing for mobile applications. 61723
Functional Applications
The instrument calibrates millivolt meters and industrial potentiometers, while enabling temperature measurement via thermocouples. With standard resistors, it extends functionality to measure DC resistance and current. The built-in transistorized galvanometer offers 1μV/division sensitivity, and the measurement-output switch allows standard voltage signal generation for device debugging. 21225
Operational Benefits
FMUJ36a simplifies measurement through intuitive step and slide dials after 3-minute warm-up. Battery operation ensures mobility, maintaining performance within 5℃~35℃. Protection circuits withstand 500V AC surges, with core component insulation exceeding 100MΩ. Maintenance only requires periodic battery replacement (recommended removal during long storage). 111520
FMUJ36a直流(低)電位差計(jì)
的詳細(xì)介紹
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2-17
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UJ36a
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直流(低)電位差計(jì)
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×0.2檔: 0～46mV
×1檔: 0～230mV
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10μV
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0.1
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池
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1050
1250
|
|
2-18
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FMUJ36a
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環(huán)
|
|
2-19
|
UJ36
|
直流(低)電位差計(jì)
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×0.2: 0～24.0mV
×1: 0～120mV
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5μV
|
0.1
|
池
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950
1150
|
|
2-20
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FMUJ36
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環(huán)
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|
2-21
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FMUJ60
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直流(高)電位差計(jì)
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0～11.9999V
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0.1μV
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0.01
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環(huán)
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6000
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2-22
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87-1
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教學(xué)用(高)電位差計(jì)
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0～1.700V
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1mV
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0.2
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池
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830
1080
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2-25
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FM87-1
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環(huán)
|
|
2-26
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FMA
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學(xué)生型(高)電位差計(jì)學(xué)生型(高)電位差計(jì)
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×0.1檔: 0～21.10mV
×1檔: 0～211.0mV
×10檔: 0～2.110V
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1mV
100μV
10μV
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0.2
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池
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1180
1930
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2-27
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FMFA
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環(huán)
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2-28
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FMC
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組合式直流(高)電位差計(jì)
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0～2.311110V
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1μV
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0.01
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環(huán)
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4680
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