中文介紹：
WRE-440A雙支鉑熱電阻是一款專為室內(nèi)溫度測量設(shè)計(jì)的精密傳感設(shè)備，采用鉑金屬材料作為核心感應(yīng)元件，憑借其優(yōu)質(zhì)的物理特性和穩(wěn)定的電氣性能，成為工業(yè)自動(dòng)化、環(huán)境監(jiān)測、智能建筑等領(lǐng)域的理想選擇。產(chǎn)品采用雙層獨(dú)立感溫結(jié)構(gòu)設(shè)計(jì)，通過雙支鉑電阻體的創(chuàng)新布局，有效提升測量數(shù)據(jù)的冗余性和系統(tǒng)可靠性，特別適用于需要數(shù)據(jù)備份或雙通道溫度監(jiān)控的應(yīng)用場景。
本產(chǎn)品采用全密封式不銹鋼殼體設(shè)計(jì)，表面經(jīng)過特殊防腐蝕處理，確保在潮濕、粉塵等復(fù)雜室內(nèi)環(huán)境中長期穩(wěn)定工作。感溫元件與保護(hù)管之間填充高純度氧化鎂粉末，通過高溫?zé)Y(jié)工藝實(shí)現(xiàn)優(yōu)異的導(dǎo)熱性能和機(jī)械保護(hù)。響應(yīng)時(shí)間短至<3秒（視介質(zhì)流速而定），可在動(dòng)態(tài)溫度變化中快速捕捉真實(shí)溫度值。工作溫度范圍覆蓋-50℃至+300℃，線性精度達(dá)到±0.15%FS，滿足大多數(shù)室內(nèi)場景的精準(zhǔn)測量需求。
在智能化應(yīng)用方面，WRE-440A支持多種信號(hào)輸出形式，可與PLC、DCS等控制系統(tǒng)無縫對接。人性化的接線盒設(shè)計(jì)采用防呆接口和雙通道獨(dú)立標(biāo)識(shí)，支持現(xiàn)場快速安裝維護(hù)。產(chǎn)品經(jīng)過嚴(yán)格的老化測試和溫度循環(huán)試驗(yàn)，在長期連續(xù)工作中仍能保持±0.1℃/年的穩(wěn)定性指標(biāo)。針對不同安裝需求，提供螺紋固定、法蘭連接、壁掛嵌入等多種安裝方式，適配各類管道、容器及設(shè)備表面測溫。
典型應(yīng)用包括暖通空調(diào)系統(tǒng)溫度監(jiān)測、實(shí)驗(yàn)室恒溫控制、食品加工設(shè)備溫度保護(hù)、倉儲(chǔ)環(huán)境溫度記錄等場景。通過優(yōu)化元件封裝工藝，產(chǎn)品有效抑制電磁干擾對測量信號(hào)的影響，在變頻設(shè)備密集的工業(yè)現(xiàn)場仍能保持信號(hào)純凈度。維護(hù)周期建議為2年/次，日常僅需進(jìn)行表面清潔和接線檢查即可保持最佳工作狀態(tài)。
英文介紹：
The WRE-440A Dual-element Platinum RTD is a precision temperature sensing device specifically engineered for indoor measurement applications. Utilizing platinum as the core sensing material, this product delivers exceptional measurement stability and repeatability, making it an optimal solution for industrial automation, environmental monitoring, and smart building management systems.
Featuring a dual-element independent sensing structure, the device provides redundant temperature measurement channels through innovative platinum resistor configuration. This design significantly enhances system reliability, particularly suitable for applications requiring data redundancy or dual-channel temperature monitoring. The hermetically sealed stainless steel housing with anti-corrosion surface treatment ensures long-term stability in challenging indoor environments exposed to humidity or particulate matter.
The sensing assembly employs high-purity magnesium oxide insulation combined with advanced sintering technology, achieving fast thermal response (<3s subject to medium flow) and robust mechanical protection. With an operational range of -50℃ to +300℃ and linear accuracy of ±0.15%FS, it meets rigorous measurement requirements for most indoor applications. The optimized signal transmission system maintains measurement integrity even in electromagnetically noisy environments typical of industrial settings.
Installation flexibility is ensured through multiple mounting options including threaded connection, flange mounting, and surface embedding. The user-friendly junction box features foolproof connectors and clearly labeled dual-channel terminals, enabling quick field installation and maintenance. Comprehensive aging tests and thermal cycling evaluations guarantee long-term stability within ±0.1℃/year drift specification.
This device finds typical applications in HVAC system monitoring, laboratory temperature control, food processing equipment protection, and warehouse environment logging. Compatible with major PLC and DCS systems through configurable output signals, it supports seamless integration into automated control networks. Recommended maintenance involves biennial inspection with routine surface cleaning and connection checks to ensure optimal performance throughout its service life.
