電站測(cè)溫用熱電阻WZP-621B 供應(yīng)
電站測(cè)溫用熱電阻 WZP-621B
中文介紹
WZP-621B 熱電阻是專為電站測(cè)溫場景精心設(shè)計(jì)的高精度溫度測(cè)量元件。它采用優(yōu)質(zhì)鉑絲作為感溫元件，鉑絲具有良好的化學(xué)穩(wěn)定性、抗氧化性和抗腐蝕性，能夠在電站復(fù)雜的運(yùn)行環(huán)境和較高溫度區(qū)間內(nèi)長期穩(wěn)定工作，確保測(cè)量結(jié)果的準(zhǔn)確性和可靠性。其測(cè)量范圍廣泛，能夠精準(zhǔn)覆蓋電站設(shè)備運(yùn)行過程中常見的溫度區(qū)間，無論是發(fā)電機(jī)繞組、變壓器油溫還是汽輪機(jī)軸承等關(guān)鍵部位的溫度監(jiān)測(cè)，都能輕松應(yīng)對(duì)，為電站的安全運(yùn)行提供精準(zhǔn)的溫度數(shù)據(jù)支持。在結(jié)構(gòu)設(shè)計(jì)上，WZP-621B 采用堅(jiān)固耐用的外殼，有效防護(hù)內(nèi)部元件免受外界機(jī)械沖擊、灰塵侵入以及電磁干擾，同時(shí)，其引線連接部分經(jīng)過特殊處理，具備良好的電氣絕緣性能和抗干擾能力，確保信號(hào)傳輸穩(wěn)定、準(zhǔn)確，避免因信號(hào)干擾導(dǎo)致的測(cè)量誤差。此外，該熱電阻的安裝方式靈活多樣，可根據(jù)電站設(shè)備的具體結(jié)構(gòu)和安裝空間，選擇合適的安裝位置和方式，方便快捷地進(jìn)行安裝與維護(hù)，大大降低了電站設(shè)備測(cè)溫系統(tǒng)的建設(shè)與運(yùn)維成本，是電站溫度測(cè)量領(lǐng)域不可或缺的優(yōu)質(zhì)產(chǎn)品。
English Introduction
The WZP-621B thermoresistance is a high-precision temperature measuring element specifically designed for temperature measurement in power stations. It features a high-quality platinum wire as the temperature-sensing element. Platinum wire is known for its excellent chemical stability, oxidation resistance, and corrosion resistance, enabling the thermoresistance to work reliably in the complex operating environment and higher temperature range of power stations. This ensures the accuracy and reliability of the measurement results. The WZP-621B has a wide measurement range, capable of accurately covering the common temperature range of power station equipment operation. Whether it is the temperature monitoring of generator windings, transformer oil, or steam turbine bearings, this thermoresistance can handle it with ease. It provides precise temperature data support for the safe operation of power stations. In terms of structural design, the WZP-621B is equipped with a robust casing that effectively protects the internal components from external mechanical shocks, dust ingress, and electromagnetic interference. Additionally, the lead connection part of the thermoresistance has been specially treated to ensure good electrical insulation and anti-interference capabilities, ensuring stable and accurate signal transmission and avoiding measurement errors caused by signal interference. Moreover, the WZP-621B offers flexible installation options. Depending on the specific structure and installation space of the power station equipment, it can be installed in a suitable location and manner, making installation and maintenance convenient and fast, and significantly reducing the construction and maintenance costs of the power station temperature measurement system. It is an essential high-quality product in the field of power station temperature measurement.
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)于長度超過1米的熱電偶，它的常溫絕緣電阻值與其長度的乘積應(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－熱電偶的長度，m。
對(duì)于長度等于或不足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。
□熱電阻允許通過電流
通過鉑電阻的測(cè)量電流大不超過5mＡ。
|
