【PROVA-801/803 雙通道數(shù)字萬(wàn)用表 產(chǎn)品介紹】

PROVA-801/803系列是臺(tái)灣泰仕電子推出的創(chuàng)新型雙通道數(shù)字萬(wàn)用表，專為工程師、技術(shù)人員和電子愛好者設(shè)計(jì)，滿足多參數(shù)同步測(cè)量的需求。該系列產(chǎn)品通過(guò)獨(dú)特的雙通道架構(gòu)，實(shí)現(xiàn)了高效便捷的測(cè)試體驗(yàn)，適用于電子設(shè)備調(diào)試、電力系統(tǒng)監(jiān)測(cè)、工業(yè)控制維護(hù)等多種場(chǎng)景。

產(chǎn)品特點(diǎn)：

1. 雙通道獨(dú)立測(cè)量
   配備兩組獨(dú)立輸入端口，可同時(shí)測(cè)量?jī)山M電壓、電流、電阻、溫度（僅803支持）等參數(shù)，支持主從通道數(shù)據(jù)對(duì)比分析，幫助用戶快速捕捉信號(hào)差異。測(cè)量值通過(guò)雙4位LCD顯示屏同步呈現(xiàn)，視角清晰直觀。

2. 智能化功能設(shè)計(jì)
   內(nèi)置數(shù)據(jù)保持/相對(duì)值模式，搭配模擬條顯示功能，可實(shí)時(shí)觀測(cè)信號(hào)波動(dòng)趨勢(shì)。803型號(hào)額外配置溫度測(cè)量模塊，支持K型熱電偶測(cè)溫（-40℃~1000℃）。兩通道間采用光電隔離技術(shù)，確保測(cè)量安全性。

3. 高精度性能表現(xiàn)
   基礎(chǔ)電壓測(cè)量精度達(dá)±0.5%，電流量程覆蓋10mA~10A（需配合分流器），電阻測(cè)量范圍20Ω~20MΩ。采用數(shù)字濾波技術(shù)，有效抑制環(huán)境干擾，在復(fù)雜工況下仍能保持穩(wěn)定讀數(shù)。

4. 人性化操作體驗(yàn)
   旋轉(zhuǎn)式功能切換旋鈕搭配防誤觸按鍵布局，單手即可完成主要操作。背光顯示屏支持多級(jí)亮度調(diào)節(jié)，適應(yīng)昏暗環(huán)境作業(yè)。標(biāo)配便攜防震保護(hù)套，整機(jī)符合人體工學(xué)握持設(shè)計(jì)。

應(yīng)用領(lǐng)域：
• 電力系統(tǒng)：同步監(jiān)測(cè)線路電壓與負(fù)載電流
• 電子研發(fā)：對(duì)比分析電路節(jié)點(diǎn)參數(shù)變化
• 設(shè)備維護(hù)：溫度與電壓雙重監(jiān)控預(yù)警
• 教育培訓(xùn)：多物理量同步觀測(cè)教學(xué)演示

【PROVA-801/803 Dual-channel Digital Multimeter Introduction】

The PROVA-801/803 series is an innovative dual-channel digital multimeter developed by TES Electrical Electronic Corp., Taiwan. Engineered for professionals and electronics enthusiasts, this series delivers efficient multi-parameter measurement capabilities through its unique dual-channel architecture, making it ideal for electronic device debugging, power system monitoring, and industrial maintenance applications.

Key Features:

1. Dual Independent Channels
   Equipped with two isolated input groups for simultaneous measurement of voltage, current, resistance, and temperature (803 model only). The side-by-side 4-digit LCD displays enable instant parameter comparison, facilitating quick signal differential analysis.

2. Intelligent Functionality
   Features data hold/relative mode and analog bar graph display for real-time signal trending. The 803 variant includes built-in K-type thermocouple interface (-40℃~1000℃). Optically isolated channels ensure operational safety during parallel measurements.

3. Precision Performance
   Delivers ±0.5% basic DC voltage accuracy with current measurement up to 10A (using external shunt). Resistance ranges span 20Ω to 20MΩ. Advanced digital filtering technology minimizes environmental interference for stable readings.

4. Ergonomic Operation
   Rotary switch and tactile buttons allow single-handed operation. Adjustable backlit display ensures visibility in low-light conditions. Shock-resistant protective casing and contoured grip enhance field usability.

Typical Applications:
• Power systems: Simultaneous line voltage & load current monitoring
• Circuit development: Comparative analysis of nodal parameters
• Predictive maintenance: Dual monitoring of temperature & electrical values
• Technical education: Interactive demonstration of multi-physical quantities

（中英文合計(jì)約520字）