電站測(cè)溫用熱電阻WZP-220B 廠家
產(chǎn)品介紹
WZP-220B 裝配式熱電阻是一種廣泛應(yīng)用于工業(yè)領(lǐng)域的溫度測(cè)量傳感器,特別適用于電站、化工、冶金等行業(yè)的溫度監(jiān)測(cè)。該產(chǎn)品由專業(yè)制造商生產(chǎn),采用先進(jìn)的制造工藝和優(yōu)質(zhì)的材料,確保了其高性能和可靠性。
產(chǎn)品特點(diǎn)
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高精度測(cè)量:WZP-220B 裝配式熱電阻能夠提供高精度的溫度測(cè)量,其測(cè)量范圍為 -200℃ 至 420℃。在不同的溫度區(qū)間,其允許偏差分別為 ±(0.30 + 0.005|t|)(B 級(jí))。
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快速響應(yīng):該熱電阻具有快速的熱響應(yīng)時(shí)間,能夠在溫度發(fā)生階躍變化時(shí)迅速輸出變化信號(hào)。
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耐腐蝕和高壓:采用不銹鋼保護(hù)管,具有良好的耐腐蝕性和高壓承受能力,適用于多種惡劣環(huán)境。
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安裝靈活:提供多種安裝方式,包括固定螺紋、法蘭安裝等,能夠滿足不同應(yīng)用場(chǎng)景的需求。
工作原理
WZP-220B 裝配式熱電阻是利用鉑電阻的電阻值隨溫度變化的特性來(lái)測(cè)量溫度的。當(dāng)被測(cè)介質(zhì)中有溫度梯度存在時(shí),所測(cè)得的溫度是感溫元件所在范圍內(nèi)介質(zhì)層的平均溫度。
應(yīng)用場(chǎng)景
該產(chǎn)品適用于多種工業(yè)場(chǎng)合,包括但不限于:
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電站:用于監(jiān)測(cè)發(fā)電設(shè)備的溫度,確保設(shè)備運(yùn)行在安全溫度范圍內(nèi)。
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化工行業(yè):測(cè)量化學(xué)反應(yīng)過(guò)程中的液體、蒸汽和氣體介質(zhì)的溫度。
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冶金行業(yè):監(jiān)測(cè)高溫環(huán)境下的金屬加工過(guò)程。
技術(shù)參數(shù)
結(jié)構(gòu)組成
WZP-220B 裝配式熱電阻主要由接線盒、保護(hù)管、接線端子、絕緣套管和感溫元件組成。其中,感溫元件是鉑絲繞組,具有高穩(wěn)定性和可靠性。
Product Introduction
WZP-220B Assembled Thermoresistor is a widely used temperature measurement sensor in industrial fields, especially suitable for temperature monitoring in power stations, chemical industry, and metallurgy. This product is manufactured by professional manufacturers, using advanced manufacturing processes and high-quality materials to ensure its high performance and reliability.
Product Features
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High Precision Measurement: The WZP-220B assembled thermoresistor provides high-precision temperature measurement with a range of -200°C to 420°C. The allowable deviation is ±(0.30 + 0.005|t|) for Grade B.
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Fast Response: This thermoresistor has a fast thermal response time and can quickly output the change signal when the temperature changes stepwise.
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Corrosion and High-Pressure Resistance: With a stainless steel protection tube, it has good corrosion resistance and high-pressure bearing capacity, suitable for various harsh environments.
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Flexible Installation: It offers various installation methods, including fixed threads and flange installation, to meet the needs of different application scenarios.
Working Principle
The WZP-220B assembled thermoresistor measures temperature by utilizing the characteristic of platinum resistance changing with temperature. When there is a temperature gradient in the measured medium, the measured temperature is the average temperature of the medium layer where the temperature-sensing element is located.
Application Scenarios
This product is applicable to various industrial scenarios, including but not limited to:
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Power Stations: Monitoring the temperature of power generation equipment to ensure it operates within a safe temperature range.
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Chemical Industry: Measuring the temperature of liquids, steam, and gas media in chemical reaction processes.
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Metallurgical Industry: Monitoring the high-temperature metal processing processes.
Technical Parameters
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Scale Number: Pt100.
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Resistance Value: At 0°C, the resistance value is 100Ω.
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Nominal Pressure: Depending on the material and structure of the protection tube, it can withstand different pressures.
Structural Composition
The WZP-220B assembled thermoresistor mainly consists of a junction box, protection tube, terminal, insulating tube, and temperature-sensing element. The temperature-sensing element is a platinum wire winding, which has high stability and reliability.
電站測(cè)溫用熱電阻
WZC-130B,WZP-220B,WZP-221B,WZP-230B,WZP-231B,WZP2-220B,WZP2-221B,WZP2-230B,WZP2-231B,WZP-220AB,WZP2-220AB。WZC-220B,WZC-230B,WZC-220AB,WZP-320B,WZP-321B,WZP-330B,WZP-331B,WZP2-320B,WZP2-321B,WZP2-330B,WZP2-330B,WZC-320B,WZC-320B,WZP-420B,WZP-421B,WZP-430B,WZP-431B,WZP2-420B,WZP2-421B,WZP2-430B,WZP2-431B,WZP-42AB,WZP2-42AB,WZC-420B,WZC-430B,WZP-420B,WZP-421B,WZP-430B,WZP-430B,WZP-431B,WZP2-420B,WZP2-421B,WZP2-430B,WZP2-431B,WZP-42AB,WZP2-42AB,WZP-420B,WZC-430B,WZP-621B,WZP-621AB,WZP-631B,WZP2 -621B,WZP2 -621B,WZP2 -631B,WZP-621B,WZP-631B,WZP-621B,WZP2 -631B,WZP-621AB,WZP2-621AB,WZP-002,WZP-003,WZP-003A,WZCM-201,WZPM-201,WZPM-201,WZP-270S,WZP-26S,WZP-236SB,
量程規(guī)格
名 稱 分度號(hào) 測(cè)溫范圍 ℃ 精度等級(jí) 允 差Δt
鎳鉻-鎳硅熱電偶 K 0~800 2 ±2.5℃或 ±0.75%t
鎳鉻-銅鎳熱電偶 E 0~600 2 ±2.5℃或 ±0.75%t
鉑熱電阻 Pt100 -200~500 B ±(0.3+0.005|t|)
注:t為感溫元件實(shí)測(cè)溫度或?qū)崪y(cè)溫度的值。
□公稱壓力
一般是指在常溫下,保護(hù)管所能承受的靜態(tài)外壓而不破裂,試驗(yàn)壓力一般采用公稱壓力的1.5倍。實(shí)際上,允許工作壓力不僅與保護(hù)管材料、直徑、壁厚有關(guān),而且還與其結(jié)構(gòu)形式、安裝方法、置入深度以及被測(cè)介質(zhì)的流速、種類有關(guān)。
□熱電偶絕緣電阻
常溫絕緣電阻的試驗(yàn)電壓為直流500V。測(cè)量常溫絕緣電阻的大氣條件為:溫度15~35℃,相對(duì)濕度45%RH,大氣壓力86~106kPa。
對(duì)于長(zhǎng)度超過(guò)1米的熱電偶,它的常溫絕緣電阻值與其長(zhǎng)度的乘積應(yīng)不小于100MΩ•m,
即:Rr•L>100MΩ•mL>1m
式中:Rr-熱電偶的常溫絕緣電阻值,MΩ;
L-熱電偶的長(zhǎng)度,m。
對(duì)于長(zhǎng)度等于或不足1米的熱電偶,它的常溫絕緣電阻值應(yīng)不小于100MΩ。
□熱電阻絕緣電阻
常溫絕緣電阻的試驗(yàn)電壓可取直流10~100V任意值,環(huán)境溫度應(yīng)在15~35℃范圍內(nèi),相對(duì)濕度應(yīng)不大于80%RH,常溫絕緣電阻值應(yīng)不小于100MΩ。
□熱電阻允許通過(guò)電流
通過(guò)鉑電阻的測(cè)量電流大不超過(guò)5mA。
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