UJ33D/1數(shù)字電位差計
產(chǎn)品概述
UJ33D/1數(shù)字電位差計是一款采用數(shù)字化和智能化技術(shù)的精密測量儀器，適用于直流電壓、電流、電阻及溫度等多種物理量的測量。該產(chǎn)品結(jié)合傳統(tǒng)工藝與現(xiàn)代技術(shù)，具有便攜式設(shè)計、高精度測量和多功能應(yīng)用等特點，可廣泛應(yīng)用于工礦企業(yè)、實驗室及野外作業(yè)等場景。13
核心功能
該設(shè)備支持數(shù)字直讀輸出和測量電壓值，輸出標準電壓信號可帶負載，可直接校驗各種低阻抗儀表。采用四端鈕輸出方式，有效消除小信號輸出時測量導(dǎo)線產(chǎn)生的壓降誤差。內(nèi)置精密基準源，無需外接標準電池，既避免環(huán)境污染，又簡化了用戶操作流程。此外，設(shè)備配備RS-232標準接口，便于與計算機通信，實現(xiàn)數(shù)據(jù)交互。24
技術(shù)參數(shù)
測量范圍覆蓋0-1999.9mV，最小分辨率達1μV，準確度等級為0.05%。工作電源采用8節(jié)1.5V干電池或外接9V直流電源，功耗低至0.6W。整機尺寸為310×240×170mm，重量約4kg，采用通用便攜式機箱設(shè)計，內(nèi)置電池盒便于攜帶。57
應(yīng)用場景
特別適用于熱電偶、傳感器及變送器等一次儀表輸出信號的精密檢測，也可作為標準毫伏信號源直接校驗各類工業(yè)儀表。通過轉(zhuǎn)換功能，還可擴展用于直流電阻、電流、電功率及溫度等參數(shù)的測量。915
Product Overview
The UJ33D/1 Digital Potentiometer is a precision measuring instrument that utilizes digital and intelligent technologies for DC voltage, current, resistance, and temperature measurements. Combining traditional craftsmanship with modern techniques, this portable device features high-accuracy measurement and multi-functional applications, making it suitable for industrial plants, laboratories, and field operations.13
Key Features
It supports direct digital reading of output and measured voltage values, with standard voltage signal output capable of driving loads to calibrate various low-impedance instruments. The four-terminal output design effectively eliminates lead resistance errors in small-signal measurements. The built-in precision reference source eliminates the need for external standard batteries, simplifying operation while being environmentally friendly. An RS-232 interface enables seamless computer communication for data exchange.24
Technical Specifications
The measurement range covers 0-1999.9mV with 1μV resolution and 0.05% accuracy. Powered by eight 1.5V dry cells or an external 9V DC supply, it consumes only 0.6W power. The compact design (310×240×170mm, 4kg) incorporates a built-in battery compartment for easy portability.57
Applications
Ideal for precision testing of signals from primary instruments like thermocouples, sensors, and transmitters. It can also serve as a standard millivolt signal source to calibrate industrial meters. Conversion functions extend its use to measure DC resistance, current, power, and temperature parameters.915
UJ33D/1數(shù)字電位差計
的詳細介紹
直流信號負極性輸出及溫度測量的負溫度顯示僅限UJ33D-2，其余從零開始..
詳細信息
量程 測量范圍 準確度 小分辨率 負載能力
2V 0-1999.9mV ±（0.05%Ux+200μV） 100μV 2mA
200mV 0-199.99mV ±（0.05%Ux+20μV） 10μV 2mA
20mV 0-19.999mV ±（0.05%Ux+2μV） 1μV 2mA
75mV 0-74.999mV ±（0.05%Ux+6μV） 1μV 2mA
(k) -200-1300℃ ±（0.05%Tx+0.2℃） 0.1℃
(E) -200-900℃ ±（0.05%Tx+0.2℃） 0.1℃
(J) -200-1048℃ ±（0.05%Tx+0.2℃） 0.1℃
(S) -50-1768℃ ±（0.05%Tx+1℃） 0.5℃
(T) -200-385℃ ±（0.05%Tx+0.2℃） 0.1℃
直流信號輸入輸出量程 -10-1999.9mV
消耗功率 ＜0.6W
電源 1.5V 1號干電池8節(jié)或外接9V直流電源
外型尺寸 310mm×240mm×170mm
重量 ≤4kg
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