鉑電阻元件WZPM—301 廠家
WZPM-301型固定式滾筒表面鉑電阻產(chǎn)品介紹
WZPM-301型固定式滾筒表面鉑電阻是一種專為工業(yè)表面溫度測量設(shè)計(jì)的精密傳感器,適用于需要連續(xù)監(jiān)測滾筒或機(jī)械表面溫度的場合。該產(chǎn)品采用薄膜鉑電阻元件,具有高精度、快速熱響應(yīng)和優(yōu)異穩(wěn)定性等特點(diǎn)。測溫范圍為-79℃至+200℃,分度號為Pt100,測量精度符合行業(yè)通用要求。探頭采用不銹鋼材質(zhì),結(jié)構(gòu)設(shè)計(jì)便于直接固定于機(jī)械設(shè)備表面,通過導(dǎo)線連接顯示儀表或控制系統(tǒng),可實(shí)現(xiàn)溫度的實(shí)時(shí)監(jiān)控與調(diào)節(jié)。產(chǎn)品廣泛應(yīng)用于紡織、造紙、橡膠、塑料等行業(yè)的滾筒溫度監(jiān)測場景。1412
Fixed Type Roller Surface Platinum Resistance WZPM-301 Product Description
The WZPM-301 fixed type roller surface platinum resistance is a specialized temperature sensor designed for industrial surface measurement applications. Featuring thin-film platinum resistance elements, this product delivers accurate temperature monitoring with rapid thermal response and reliable performance. With a measurement range of -79℃ to +200℃ and Pt100 resistance characteristic, it provides consistent readings for continuous process control. The stainless steel probe is engineered for direct mounting on mechanical equipment surfaces, connecting via cables to display instruments or control systems for real-time temperature management. Its robust construction makes it particularly suitable for temperature monitoring of rollers in textile, papermaking, rubber and plastic manufacturing processes. The product s compact design ensures easy installation while maintaining measurement stability under industrial operating conditions. 5719
產(chǎn)品結(jié)構(gòu)與功能特點(diǎn)
WZPM-301型產(chǎn)品屬于WZPM系列表面熱電阻的固定式型號,采用特殊設(shè)計(jì)的測溫頭結(jié)構(gòu),能緊密貼合被測表面。探頭內(nèi)置的薄膜鉑電阻元件通過激光精密加工制成,確保了溫度測量的靈敏度和重復(fù)性。產(chǎn)品絕緣性能優(yōu)異,外殼與探頭間絕緣電阻不低于100MΩ。熱響應(yīng)時(shí)間快,達(dá)到T0.515s的標(biāo)準(zhǔn),能及時(shí)反映溫度變化。安裝方式靈活,用戶可根據(jù)現(xiàn)場需求選擇適合的固定方案,適用于不同直徑的滾筒表面溫度長期監(jiān)測。配套使用的XMX型便攜式數(shù)字顯示儀操作簡便,便于現(xiàn)場技術(shù)人員使用。61016
Structural Features and Functional Advantages
As part of the WZPM series surface thermometers, the WZPM-301 model features a fixed installation design with optimized contact structure for consistent surface temperature detection. The built-in thin-film platinum sensing element is manufactured using advanced deposition technology, ensuring measurement responsiveness and repeatability. The product demonstrates excellent electrical insulation performance with minimum 100MΩ resistance between housing and probe. Its fast thermal response time of T0.515 seconds enables prompt detection of temperature variations. The flexible mounting options accommodate different roller diameters and operating environments, making it ideal for long-term surface temperature monitoring. When paired with the compact XMX digital display, the system provides convenient on-site temperature reading and process control capabilities for maintenance personnel. 131520
鉑電阻元件
WZPK2-165SA,WZPK2-166SA,WZPK-263S,WZPK-264S,WZPK-265S,WZPK-266S,WZPK2-265SA,WZPK2-266SA,WZPK-363S,WZPK-364S,WZPK-365S,WZPK-366S,WZPK2-365SA,WZPK2366SA,WZPK-463S,WZPK-464S,WZPK-465S,WZPK-466S,WZPK2-465SA,WZPK2466SA,WZPK-563S,WZPK-564S,WZPK-565S,WZPK-566S,WZPK2-565SA,WZPK2566SA,WZPK-173S,WZPK-174S,WZPK-175S,WZPK-176S,WZPK2-175SA,WZPK2-176SA,WZPK-273S,WZPK-274S,WZPK-275S,WZPK-276S,WZPK2-275SA,WZPK2-276SA,WZPK-373S,WZPK-374S,WZPK-375S,WZPK-376S,WZPK2-375SA,WZPK2376SA,WZPK-473S,WZPK-474S,WZPK-475S,WZPK-476S,WZPK2-475SA,WZPK2476SA,WZPK-573S,WZPK-574S,WZPK-575S,WZPK-576S,WZPK2-575SA,WZPK2576SA,WZPM-101U,WZPM-201U,WZPM—002U,WZPM-102U,WZPM-202U,WZPM—001,WZPM-101S,WZPM-201S,WZPM-002,WZPM-102,WZPM-202,WZPM—301,WZP-011S,WZP-012S,WZP-013S,WZP-014S,WZP-015S,WZP-203S,WZP-205S,WZP-018,WZP-0110,WZP-2012,
熱電阻是利用鉑絲的電阻值隨著溫度的變化而變化這一基本原理設(shè)計(jì)和制作的,按0℃時(shí)的電阻值R(℃)的大小分為10歐姆(分度號為Pt10)和100歐姆(分度號為Pt100)等,測溫范圍均為-200~850℃.10歐姆鉑熱電阻的感溫原件是用較粗的鉑絲繞制而成,耐溫性能明顯優(yōu)于100歐姆的鉑熱電阻,主要用于650℃以上的溫區(qū):100歐姆鉑熱電阻主要用于650℃以下的溫區(qū),雖也可用于650℃以上溫區(qū),但在650℃以上溫區(qū)不允許有A級誤差。100歐姆鉑熱電阻的的分辨率比10歐姆鉑熱電阻的分辨率大10倍,對二次儀表的要求相應(yīng)地一個(gè)數(shù)量級,因此在650℃以下溫區(qū)測溫應(yīng)盡量選用100歐姆鉑熱電阻。
感溫元件骨架的材質(zhì)也是決定鉑熱電阻使用溫區(qū)的主要因素,見的感溫元件有陶瓷元件,玻璃元件,云母元件,它們是由鉑絲分別繞在陶瓷骨架,玻璃骨架,云母骨架上再經(jīng)過復(fù)雜的工藝加工而成。由于骨架材料本身的性能不同,陶瓷元件適用于850℃以下溫區(qū),玻璃元件適用于550℃以下溫區(qū)。近年來市場上出現(xiàn)了大量的厚膜和薄膜鉑熱電阻感溫元件,厚膜鉑熱電阻元件是用鉑漿料印刷在玻璃或陶瓷底板上,薄膜鉑熱電阻元件是用鉑漿料濺射在玻璃或陶瓷底板上,再經(jīng)光刻加工而成,這種感溫元件僅適用于-70~500℃溫區(qū),但這種感溫元件用料省,可機(jī)械化大批量生產(chǎn),效率高,價(jià)格便宜。
就結(jié)構(gòu)而言,鉑熱電阻還可以分為工業(yè)鉑熱電阻和鎧裝鉑熱電阻。工業(yè)鉑熱電阻也叫裝配鉑熱電阻,即是將鉑熱電阻感溫元件焊上引線組裝在一端封閉的金屬管或陶瓷管內(nèi),再安裝上接線盒而成;鎧裝鉑熱電阻是將鉑熱電阻元件,過渡引線,絕緣粉組裝在不銹鋼管內(nèi)再經(jīng)模具拉實(shí)的整體,具有堅(jiān)實(shí),抗震,可繞,線徑小,使用安裝方便等優(yōu)點(diǎn)。
系統(tǒng)組成
(1)熱電阻測溫系統(tǒng)一般由熱電阻、連接導(dǎo)線和顯示儀表等組成。必須注意以下兩點(diǎn):
①熱電阻和顯示儀表的分度號必須一致
②為了消除連接導(dǎo)線電阻變化的影響,必須采用三線制接法。具體內(nèi)容參見本篇第三章。
(2)鎧裝熱電阻 鎧裝熱電阻是由感溫元件(電阻體)、引線、絕緣材料、不銹鋼套管組合而成的堅(jiān)實(shí)體,它的外徑一般為φ1~φ8mm,小可達(dá)φmm。 與普通型熱電阻相比,它有下列優(yōu)點(diǎn):
①體積小,內(nèi)部無空氣隙,熱慣性上,測量滯后;
②機(jī)械性能好、耐振,抗沖擊;
③能彎曲,便于安裝
④使用壽命長。
(3)端面熱電阻 端面熱電阻感溫元件由特殊處理的電阻絲材繞制,緊貼在溫度計(jì)端面。它與一般軸向熱電阻相比,能更正確和快速地反映被測端面的實(shí)際溫度,適用于測量軸瓦和其他機(jī)件的端面溫度。
(4)隔爆型熱電阻 隔爆型熱電阻通過特殊結(jié)構(gòu)的接線盒,把其外殼內(nèi)部爆炸性混合氣體因受到火花或電弧等影 電阻體的斷路修理必然要改變電阻絲的長短而影響電阻值,為此更換新的電阻體為好,若采用焊接修理,焊后要校驗(yàn)合格后才能使用。
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