FMQJ-2兩用非平衡電橋產(chǎn)品介紹（中英文）
【中文版】
FMQJ-2兩用非平衡電橋是一款創(chuàng)新型精密測(cè)量?jī)x器，專為科研實(shí)驗(yàn)、教學(xué)演示及工業(yè)檢測(cè)場(chǎng)景設(shè)計(jì)。該設(shè)備通過獨(dú)特的電路架構(gòu)實(shí)現(xiàn)了電阻測(cè)量與微弱信號(hào)檢測(cè)的雙重功能，適用于半導(dǎo)體材料研究、傳感器標(biāo)定、熱敏元件分析等多元化場(chǎng)景，為實(shí)驗(yàn)室和工程現(xiàn)場(chǎng)提供靈活高效的解決方案。
在功能實(shí)現(xiàn)方面，本產(chǎn)品采用智能化量程管理技術(shù)，可在0.1Ω至10MΩ范圍內(nèi)自動(dòng)匹配最佳測(cè)量模式，有效兼顧微小電阻變化檢測(cè)與大范圍阻值測(cè)量需求。三端四線制接線方式顯著降低接觸電阻干擾，配合溫漂抑制電路設(shè)計(jì)，確保在-10℃至50℃環(huán)境條件下保持±0.05%的基礎(chǔ)精度。人性化操作界面配備雙顯示屏，可同步顯示實(shí)時(shí)測(cè)量值與相對(duì)變化曲線，便于用戶快速捕捉動(dòng)態(tài)參數(shù)特征。
該電橋系統(tǒng)特別強(qiáng)化了抗干擾性能，內(nèi)置多級(jí)濾波模塊能有效抑制80dB以上的環(huán)境噪聲。針對(duì)工業(yè)現(xiàn)場(chǎng)需求，設(shè)備提供RS-485與USB雙通訊接口，支持測(cè)量數(shù)據(jù)實(shí)時(shí)導(dǎo)出及遠(yuǎn)程監(jiān)控功能。模塊化結(jié)構(gòu)設(shè)計(jì)使維護(hù)保養(yǎng)更為便捷，核心電路單元采用插拔式封裝，顯著提升設(shè)備可維護(hù)性。
在教育教學(xué)領(lǐng)域，F(xiàn)MQJ-2通過可調(diào)節(jié)的模擬信號(hào)發(fā)生功能，能夠生動(dòng)演示非平衡電橋的工作原理，配套實(shí)驗(yàn)教學(xué)軟件包含十余種預(yù)設(shè)實(shí)驗(yàn)方案，幫助學(xué)生直觀理解惠斯通電橋的進(jìn)階應(yīng)用。工業(yè)用戶則可利用其連續(xù)監(jiān)測(cè)模式進(jìn)行長(zhǎng)達(dá)72小時(shí)的穩(wěn)定性測(cè)試，配套數(shù)據(jù)分析軟件支持自定義報(bào)警閾值設(shè)置。
【English Version】
The FMQJ-2 Dual-purpose Non-balanced Bridge is a precision measurement instrument designed for scientific research, educational demonstration, and industrial testing scenarios. Integrating resistance measurement with weak signal detection capabilities through innovative circuit design, this device serves diverse applications including semiconductor material analysis, sensor calibration, and thermistor characterization, delivering flexible solutions for both laboratory and field engineering requirements.
Featuring intelligent range management technology, the instrument automatically selects optimal measurement modes within 0.1Ω to 10MΩ range, effectively balancing requirements for detecting minute resistance variations and broad-range value measurement. The four-terminal Kelvin connection design minimizes contact resistance interference, while temperature drift compensation circuitry ensures ±0.05% basic accuracy across -10℃ to 50℃ operating conditions. The user-friendly interface incorporates dual displays for simultaneous visualization of real-time measurements and relative change curves, enabling rapid identification of dynamic parameter characteristics.
Enhanced with multi-stage noise filtration modules, the system demonstrates over 80dB environmental noise rejection capability. For industrial applications, dual RS-485 and USB communication interfaces support real-time data export and remote monitoring functions. The modular architecture simplifies maintenance through plug-and-play circuit modules, significantly improving serviceability.
In educational settings, the adjustable analog signal generation function vividly demonstrates non-balanced bridge principles. Preloaded teaching software includes 10+ experimental templates to help students visualize advanced Wheatstone bridge applications. Industrial users benefit from continuous monitoring mode supporting 72-hour stability tests, complemented by analysis software with customizable alarm thresholds.
The ergonomic chassis design incorporates vibration-damping feet and IP41 protection rating, making it adaptable to various working environments. Optional battery pack enables 8-hour cordless operation, particularly useful for field measurements requiring mobility. Three-year recommended calibration cycle and global voltage compatibility (100-240V AC) further enhance operational convenience for international users.
