FMUJ36直流(低)電位差計
產品概述
FMUJ36直流(低)電位差計是一種基于補償法原理設計的高精度便攜式測量儀器,適用于實驗室、工業(yè)現場及野外環(huán)境下的直流低電勢測量。該儀器采用錳銅合金電阻元件和集成放大技術,能夠快速準確地完成微小電壓信號檢測,同時具備溫度穩(wěn)定性強、操作簡便等特點。儀器內置標準電池和晶體管放大指零儀,無需外接附件即可獨立工作,有效避免市電干擾對測量結果的影響。1411
技術特點
該電位差計提供×0.2檔(0~46mV)和×1檔(0~230mV)兩檔量程切換,最小分辨率為10μV,基本準確度為0.1%。采用雙電源供電設計,工作電源為4節(jié)1.5V一號干電池并聯,檢流計放大器使用2節(jié)9V層疊電池。儀器采用270×230×140mm緊湊型箱體結構,重量約4kg,配備步進讀數盤和滑線讀數盤雙重調節(jié)系統(tǒng),確保測量過程的穩(wěn)定性和重復性。41214
應用領域
FMUJ36直流電位差計廣泛應用于熱電偶溫度檢測、工業(yè)儀表校驗及科研實驗。通過配合標準電阻可擴展測量直流電流、電阻等參數,特別適合熱工測量領域對二次溫度儀表的現場校準。其補償法測量原理確保在不消耗被測電路功率的情況下獲取精確數據,是冶金、石化、電力等行業(yè)常用的基礎測量工具。1617
Product Introduction
The FMUJ36 DC (Low) Potentiometer is a precision portable instrument based on compensation principle, designed for measuring low-level DC potentials in laboratories, industrial sites and field environments. With built-in standard cell and transistorized null detector, it operates independently without external accessories. The manganese-copper alloy resistors and integrated amplifier ensure high stability against temperature variations and minimal measurement interference.41120
Technical Specifications
This potentiometer features dual-range selection (×0.2 range: 0-46mV; ×1 range: 0-230mV) with 10μV resolution and 0.1% basic accuracy. The compact 270×230×140mm enclosure houses a dual power supply system using four parallel 1.5V AA batteries for main circuit and two 9V batteries for amplifier. The step-type dial combined with slide-wire resistor provides stable adjustment capability, while 4kg lightweight design enhances portability.121429
Application Scenarios
Ideal for thermocouple temperature measurement and industrial instrument calibration, the FMUJ36 can be extended to measure DC current/resistance when paired with standard resistors. Its non-consumptive measurement method makes it particularly suitable for on-site verification of temperature transmitters in metallurgical, petrochemical and power industries, providing reliable data without loading the measured circuit.61722
二、電位差計
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① 箱 式 直 流 電 位 差 計
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序號
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型 號
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名 稱
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測量或調整范圍
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小步進
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準確度%
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儀器特點
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出廠價¥
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2-1
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UJ5a
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直流(低)電位差計
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0~20.1110mV
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0.1μV
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0.5
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普
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①普:
普通型,需外接檢流計、工作電源、標準電池;
②池:
電池型,內附檢流計、電池盒、基準電動勢;
③環(huán):
環(huán)保型,直接用市電。內附檢流計、工作電源、基準電動勢。無化學污染。
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2354
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2-2
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TJ6
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教學用(高)電位差計
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0~2.311V
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0.5mV
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0.1
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池
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980
1870
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2-3
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FMTJ6
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環(huán)
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2-4
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UJ9
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直流(高)電位差計
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0~1.31110V
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10μV
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0.02
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普
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2450
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2-5
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UJ24
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直流(高)電位差計
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0~1.61110V
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10μV
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0.02
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普
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2580
2880
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2-6
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FMUJ24
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10μV
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0.02
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環(huán)
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2-7
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UJ25
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直流(高)電位差計
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0~1.911110V
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1μV
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0.01
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普
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3680
4380
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2-8
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FMUJ25
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1μV
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0.01
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環(huán)
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2-9
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UJ27C
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直流(高)電位差計
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0~2.110V
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5μV
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0.1
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池
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980
1180
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2-10
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FMUJ27C
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環(huán)
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2-11
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UJ31
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直流(低)電位差計
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×1檔: 0~17.1mV
×10: 0~171mV
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1μV
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0.05
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普
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1320
1580
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2-12
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FMUJ31
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環(huán)
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2-13
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UJ33a
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直流(高)電位差計
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×0.1檔: 0~21.11mV
×1檔: 0~211.1mV
×5檔: 0~1.0550V
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1μV
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0.05
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池
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1320
1620
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2-14
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FMUJ33a
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環(huán)
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2-15
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UJ33b
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直流(高)電位差計
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×0.1檔: 0~21mV
×1檔: 0~210mV
×10檔: 0~2.1V
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1μV
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0.05
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池
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1680
1980
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2-16
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FMUJ33b
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環(huán)
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2-17
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UJ36a
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直流(低)電位差計
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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
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2-18
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FMUJ36a
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環(huán)
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2-19
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UJ36
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直流(低)電位差計
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×0.2: 0~24.0mV
×1: 0~120mV
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5μV
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0.1
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池
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950
1150
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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
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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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教學用(高)電位差計
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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)
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2-26
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FMA
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學生型(高)電位差計學生型(高)電位差計
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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
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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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