【中文版】電接點雙金屬溫度計WZPK-223U產(chǎn)品介紹
WZPK-223U電接點雙金屬溫度計是一款結(jié)合溫度測量與控制功能于一體的工業(yè)級儀表，適用于液體、氣體及蒸汽介質(zhì)的溫度監(jiān)控場景。產(chǎn)品采用雙金屬片感溫原理，通過機械結(jié)構(gòu)實現(xiàn)溫度指示與接點動作的同步響應(yīng)，可為工業(yè)設(shè)備提供直觀的溫度監(jiān)測與自動化控制支持。
產(chǎn)品結(jié)構(gòu)設(shè)計兼顧實用性與耐用性。表殼選用304不銹鋼材質(zhì)，表面經(jīng)防腐蝕工藝處理，配合密封性良好的殼體結(jié)構(gòu)，可適應(yīng)潮濕、粉塵及輕度腐蝕性環(huán)境。表盤采用高對比度白色底漆與黑色刻度印刷工藝，搭配耐高溫玻璃視窗，確保讀數(shù)清晰穩(wěn)定。內(nèi)部核心組件包含精密加工的雙金屬螺旋片，通過熱脹冷縮效應(yīng)驅(qū)動指針精準(zhǔn)轉(zhuǎn)動，同時帶動可調(diào)式電接點裝置，用戶可通過表盤外部旋鈕靈活設(shè)定溫度控制區(qū)間。
技術(shù)參數(shù)方面，該型號支持-20℃至400℃的寬量程覆蓋，基本誤差控制在量程的±1.5%以內(nèi)。接點裝置標(biāo)配單刀雙擲（SPDT）結(jié)構(gòu)，最大接點容量為220VAC/1A，可直接驅(qū)動小型繼電器或參與PLC控制系統(tǒng)。防護等級達(dá)到IP65，軸向型安裝結(jié)構(gòu)配合可調(diào)角度的表盤設(shè)計，可適配多種工業(yè)設(shè)備的安裝需求。
產(chǎn)品優(yōu)勢體現(xiàn)在三個方面：其一，機械式結(jié)構(gòu)避免了電子元件老化帶來的誤差風(fēng)險，運行穩(wěn)定性顯著提升；其二，雙接點獨立調(diào)節(jié)功能支持上下限溫度分段控制，滿足不同工況需求；其三，全金屬結(jié)構(gòu)配合抗震設(shè)計，在設(shè)備振動頻率≤25Hz、振幅≤0.5mm的工況下仍能保持可靠工作。典型應(yīng)用包括反應(yīng)釜溫度連鎖保護、換熱設(shè)備過熱預(yù)警、鍋爐系統(tǒng)安全監(jiān)控等領(lǐng)域，特別適合需要免維護長期運行的工業(yè)場景。
維護建議方面，建議每12個月進(jìn)行校準(zhǔn)檢查，清潔表殼時應(yīng)避免強腐蝕性溶劑。當(dāng)介質(zhì)溫度波動頻繁時，可通過適當(dāng)擴大接點回差范圍來延長接點使用壽命。產(chǎn)品提供多種過程連接選項，包括M27×2螺紋、法蘭連接等，用戶可根據(jù)實際工況選配。
【English Version】Product Introduction of WZPK-223U Bimetal Thermometer with Electrical Contact
The WZPK-223U bimetal thermometer with electrical contact integrates temperature measurement and control functions, designed for monitoring liquid, gas, and steam media in industrial applications. Utilizing bimetal sensing technology, this mechanical instrument provides simultaneous temperature indication and switching action, delivering reliable process control for automated systems.
Constructed with 304 stainless steel housing featuring corrosion-resistant coating, the thermometer maintains operational integrity in humid, dusty, and mildly corrosive environments. The legible dial combines white background with black graduations under heat-resistant glass, ensuring visibility in various lighting conditions. Its precision-engineered bimetal coil drives both the indicating pointer and adjustable contact mechanism, allowing users to set control thresholds via an external calibration knob through ±270° free rotation.
Technical specifications include a measurement range from -20℃ to 400℃ with ±1.5% full-scale accuracy. The SPDT contact configuration supports 220VAC/1A switching capacity, compatible with relay controls and PLC systems. IP65 protection rating and adjustable dial orientation (axial type) enable flexible installation in confined spaces. Vibration resistance up to 25Hz frequency and 0.5mm amplitude ensures stable performance in dynamic environments.
Key advantages encompass: 1) Mechanical operation ensures long-term reliability without electronic component degradation; 2) Independent dual-contact adjustment allows customized temperature band control; 3) Robust construction with shock-absorbing design suits demanding industrial applications. Typical use cases include reactor temperature interlock protection, heat exchanger overheat prevention, and boiler safety monitoring, particularly where maintenance-free operation is critical.
Maintenance guidelines recommend annual calibration verification and cleaning with non-corrosive solvents. Expanding the contact differential range is advised for applications with frequent temperature fluctuations. Multiple process connection options (M27×2 thread, flange, etc.) are available to match specific installation requirements.
