FMQJ-1 兩用非平衡電橋
FMQJ-1兩用非平衡電橋產品介紹（中文）
FMQJ-1兩用非平衡電橋是一款多功能電橋設備，集平衡電橋與非平衡電橋功能于一體，適用于教學實驗、科研測量等領域。該設備采用模塊化設計，操作簡便，能夠滿足不同場景下的電阻測量需求。在平衡電橋模式下，測量范圍為1Ω至11.11MΩ，調節(jié)細度為1Ω，適合高精度電阻測量。非平衡電橋模式下，設備可輸出外接測試信號，支持Rx向上或向下變化，適用于動態(tài)電阻變化的測量場景。設備內置數字表功能，可實時顯示測量數據，便于用戶觀察和分析。此外，F(xiàn)MQJ-1還具備恒壓源和恒流源輸出功能，電壓范圍為0-20V，電流范圍為0.3-10mA，能夠為實驗提供穩(wěn)定的電源支持。設備結構緊湊，尺寸為262×205×125mm，便于攜帶和安裝。159
Introduction to FMQJ-1 Dual-purpose Unbalanced Bridge (English)
The FMQJ-1 dual-purpose unbalanced bridge is a versatile electrical instrument that combines the functions of both balanced and unbalanced bridges. It is designed for educational experiments and scientific research applications. In balanced bridge mode, it offers a measurement range from 1Ω to 11.11MΩ with a fine adjustment of 1Ω, making it suitable for precise resistance measurements. The unbalanced bridge mode allows for external test signal output and supports both upward and downward resistance changes, ideal for dynamic measurement scenarios. The device features a built-in digital display for real-time data monitoring and analysis. Additionally, it provides stable power supply with adjustable voltage (0-20V) and current (0.3-10mA) outputs. With its compact design (262×205×125mm), the FMQJ-1 is portable and easy to set up in various working environments. The instrument s modular design ensures user-friendly operation for different experimental requirements. 2615
產品特點與優(yōu)勢（中文）
FMQJ-1兩用非平衡電橋在設計上注重實用性與功能性。設備采用優(yōu)質材料制造，確保長期使用的穩(wěn)定性和可靠性。其獨特的非線性矯正電路設計，使得在Rx變化范圍內輸出線性度表現(xiàn)良好，提高了測量數據的準確性。設備支持三端法和多種敏感臂電路連接方式，能夠有效排除引線電阻對測量結果的影響。數字表功能涵蓋電壓、電流測量及檢流計替代等多種用途，量程覆蓋20mV至20V，滿足不同實驗需求。環(huán)境適應性方面，設備可在5°C至35°C溫度范圍內正常工作，適合大多數實驗室環(huán)境。人性化的面板布局和清晰的物理模型圖示，使操作更加直觀便捷。31416
Features and Advantages (English)
The FMQJ-1 stands out with its practical design and comprehensive functionality. Manufactured with high-quality materials, it ensures long-term stability and reliability. The innovative nonlinear correction circuit maintains excellent output linearity across Rx variations, enhancing measurement accuracy. It supports three-terminal connection and multiple sensitive arm circuits, effectively eliminating the influence of lead resistance. The multi-functional digital meter can measure voltage, current, and serve as a galvanometer substitute, with ranges from 20mV to 20V to accommodate various experimental requirements. With an operating temperature range of 5°C to 35°C, it adapts well to most laboratory environments. The user-friendly panel layout and clear physical model diagram provide intuitive operation for users. 41018
應用場景說明（中文）
FMQJ-1兩用非平衡電橋廣泛應用于高等院校物理實驗教學，特別適用于電阻測量、傳感器特性研究等相關課程實驗。在科研領域，該設備可用于材料電阻率測試、溫度傳感器標定等工作。工業(yè)現(xiàn)場中，它能夠協(xié)助技術人員進行電路調試和元件檢測。設備兼容多種測量方法，包括二端法、三端法和四端法，可根據實際需求靈活選擇。教學方面，其開放式設計便于學生理解電橋工作原理，培養(yǎng)實踐能力。設備還可與熱敏電阻等傳感器配合使用，開展溫度測量等拓展實驗，豐富教學內容。51317
Application Scenarios (English)
The FMQJ-1 finds wide applications in university physics laboratory courses, particularly for experiments involving resistance measurement and sensor characteristic studies. In scientific research, it serves well for material resistivity testing and temperature sensor calibration. Industrial technicians can utilize it for circuit debugging and component testing. The instrument supports multiple measurement methods including two-terminal, three-terminal and four-terminal approaches, offering flexibility for various requirements. Its open design facilitates students understanding of bridge working principles and enhances practical skills development. When combined with sensors like thermistors, it enables extended experiments such as temperature measurement, thereby enriching teaching content. 61219
FMQJ-1 兩用非平衡電橋
的詳細介紹
傳感器是現(xiàn)代信息采集技術的核心，它由敏感元件和變送電路組成，非平衡電橋就是常見的重要變送電路之一。FMQJ-3型非平衡電橋可與敏感元件組成單臂橋、半橋、全橋，各橋臂均有0～100K歐姆可調旋鈕用來調定隨心所欲地設定線性區(qū)間和橋臂電流，另有一只平衡微調旋鈕用來調定數字檢流計的零點；非平衡信號由檢流計讀出或由開關一接線柱輸出機外。本品還可接成惠氏單橋或開氏雙橋進行相關的研究和測量，一橋多用，作為高教儀器物超所值；面板電路圖給出了清晰直觀的物理模型。
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| 聯(lián)接方式 |
測量范圍 |
準確度 |
尺度cm2 |
| 單橋 |
1歐姆～1111Ω |
±0.2% |
45*31*14 |
| 雙橋 |
10-6～1111Ω |
1% |
重量kg |
| 非平衡橋 |
1歐姆～11KΩ |
1% |
7 |
|
