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當(dāng)前位置:江蘇明通儀表有限公司>>技術(shù)文章>>工業(yè)熱電偶
工業(yè)熱電偶
WR系列與顯示儀表配套,在-200~1600℃范圍內(nèi)對(duì)氣體、液體以及固體表面溫度進(jìn)行檢測(cè),廣泛應(yīng)用于航空、原子能、石油、化工、治金、機(jī)械等工業(yè)部門和科技領(lǐng)域。
通常由按線盒、保護(hù)管、絕緣瓷管、熱電極和安裝固定裝置組成,其結(jié)構(gòu)見(jiàn)圖。
● 主要特點(diǎn):測(cè)量范圍大、使用壽命長(zhǎng)、安裝使用方便。
● 主要技術(shù)指標(biāo):
種類及允差等級(jí)(參比端為0℃)
| 品種 | 型號(hào) | 分度號(hào) | Ⅰ級(jí) | Ⅱ級(jí) | Ⅲ級(jí) | 執(zhí)行標(biāo)準(zhǔn) | |||
| 測(cè)溫范圍℃ | 允差℃ | 測(cè)溫范圍℃ | 允差℃ | 測(cè)溫范圍℃ | 允差℃ | ||||
| 鎳鉻-鎳硅 | WRK | K | -40~1100 | ±1.5或 | -40~1200 | ±2.5或 | -200~40 | ±2.5或±1.5%t | JB/T9238-1999 |
| 鎳絡(luò)硅-鎳硅 | WRN | N | -40~1100 | -40~1300 | -200~40 | ||||
| 鎳絡(luò)-康銅 | WRE | E | -40~800 | -40~900 | / | ||||
| 鐵-康銅 | WRJ | J | -40~750 | -40~750 | -200~40 | ||||
| 銅-康銅 | WRT | T | -40~350 | ±1.5或 | -40~350 | ±1.0或 | / | / | |
| 鉑銠10-鉑 | WRS | S | 0~1100 | ±1.0或 | 0~1600 | ±1.5或 | / | ||
| 鉑銠13-鉑 | WRR | R | 0~1100 | 0~1600 | / | ||||
| 鉑銠30-鉑銠6 | WRB | B | / | / | 600~1700 | 600-1700 | ±4.0或 | ||
保護(hù)管直徑、長(zhǎng)度及插入深度 mm
| Φ16(單層管) | Φ20 | Φ25(雙層管) | 錐形管 | ||||
| 總長(zhǎng) | 插入深度 | 總長(zhǎng) | 插入深度 | 總長(zhǎng) | 插入深度 | 總長(zhǎng) | 插入深度 |
| 225 | 75 | 225 | 75 | / | / | 225 | 75 |
| 250 | 100 | 250 | 100 | / | / | 250 | 100 |
| 300 | 150 | 300 | 150 | / | / | 300 | 150 |
| 350 | 200 | 350 | 200 | / | / | 350 | 200 |
| 400 | 250 | 400 | 250 | 400 | 250 | 400 | 250 |
| 450 | 300 | 450 | 300 | 450 | 300 | 450 | 300 |
| 500 | 350 | 500 | 350 | 500 | 350 | 500 | 350 |
| 550 | 400 | 550 | 400 | 550 | 400 | 550 | 400 |
| 650 | 500 | 650 | 500 | 650 | 500 | / | / |
| 900 | 750 | 900 | 750 | 900 | 750 | / | / |
| 1150 | 1000 | 1150 | 1000 | 1150 | 1000 | / | / |
| 1650 | 1500 | 1650 | 1500 | 1650 | 1500 | / | / |
| 2150 | 2000 | 2150 | 2000 | 2150 | 2000 | / | / |
| 2650 | 2500 | 2650 | 2500 | / | / | / | / |
說(shuō)明:·插入深度I=L-L0,L-總長(zhǎng),L0―保護(hù)管外露長(zhǎng)度,可取100、150、200、250mm,通常取150mm;
插座式接線盒L0可取30、50、100mm,通常取100mm。
Φ16金屬保護(hù)管總長(zhǎng)無(wú)2650mm這一長(zhǎng)度,其它規(guī)格協(xié)商供貨。
常溫絕緣電阻
| 長(zhǎng)度 | 常溫絕緣電阻 | 試驗(yàn)電壓 |
| L≤1m | 100MΩ | 500±50V |
| L>1m | 100 MΩ·m |
上限溫度絕緣電阻
| 上限溫度 | 試驗(yàn)溫度 | 絕緣電阻 |
| 100≤tm<300 | t=tm | 10 |
| 300≤tm<500 | t=tm | 2 |
| 500≤tm<850 | t=tm | 0.5 |
| 850≤tm<1000 | t=tm | 0.08 |
| 1000≤tm<1300 | t=tm | 0.02 |
| tm≥1300 | t=1300 | 0.02 |
的熱響應(yīng)時(shí)間
| 保護(hù)管 | 熱響應(yīng)時(shí)間s | ||
| 代號(hào) | 外徑mm | 金屬管 | 非金屬管 |
| 0 | Φ16 | ≤180 | / |
| 1 | Φ20 | ≤240 | / |
| 2 | Φ16 | / | ≤240 |
| 3 | Φ25 | / | ≤300(雙層) |
|
| 錐形管 | ≤300 | / |
保護(hù)管種類
| 代號(hào) | 通 用 型 | 特 殊 型 | ||||||||
| A | B | C | Q | R | F | G | H | I | ||
| 材質(zhì) | 20#碳鋼 | 1Cr18Ni9Ti | Cr25Ti | 高鋁質(zhì) | 剛玉質(zhì) | MoSi2 | 鉬管 | 耐熱合金 | 耐蝕合金 | |
| 適用溫度℃ | -100~500 | -200~900 | -40~1000 | 0~1300 | 0~1600 | 0~1600 | 0~2300 | ≤1300 | ≤900 | |
| 配用偶絲 | K,N,E,J,T | K,N,S,R | B,WRe3/25 | S,R,B,WRe3/25 | K,N,S,R | K,N,E,J,T | ||||
| 備注 | 通常用1Cr18Ni9Ti | 協(xié)議供貨 | ||||||||
安裝固定型式
| 代 | 名稱 | 結(jié)構(gòu)圖 | 尺 寸 mm | 保護(hù)管 | 壓力 | ||||||
| M | H | S | DO | 直徑mm | 材質(zhì) | Mpa | |||||
| 2 | 固定螺紋 |
| M27×2 | 32 | 32 | Φ40 | Φ16 | 1Cr18Ni9Ti | ≤10.0 | ||
| M33×2 | 35 | 36 | Φ48 | Φ20 | 20#碳鋼 | ≤1.0 | |||||
| 6 | 錐形固定螺紋 |
| M33×2 | 33 | 36 | Φ48 | 錐形 | 1Cr18Ni9Ti | ≤15.0 | ||
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| D1 | D2 | D0 | d0 | H | h |
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| 3 | 活動(dòng)法蘭 |
| Φ70 | Φ54 |
| Φ6 |
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| Φ16 |
| 常壓 |
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| Φ20 |
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| 4 | 固定法蘭 |
| Φ65 | Φ95 | Φ45 | Φ14 | 19 | 3 | Φ16 | 1Cr18Ni9Ti | ≤6.0 |
| Φ40 | Φ40 | Φ40 | Φ20 | 20#碳鋼 | ≤1.0 | ||||||
型號(hào)規(guī)格
鉑銠10-鉑熱電偶,分度號(hào):S,測(cè)溫范圍0~1600℃;
鉑銠13-鉑熱電偶,分度號(hào):R,測(cè)溫范圍0~1600℃;
鉑銠30-鉑6熱電偶,分度號(hào):B,測(cè)溫范圍0~1800℃。
工業(yè)鉑銠10-鉑、鉑銠13-鉑、鉑銠30-鉑6熱電偶
| 熱電偶型號(hào) | 熱電偶絲 | 固定裝置 | 接線盒 | 保護(hù)管 | 響應(yīng)時(shí)間s | 壓力Mpa | |||||
| 直徑 | 材質(zhì) | 無(wú)固定裝置 | 活動(dòng)法蘭 | 防濺型 | 防水型 | Φ16 | Φ25 | 材質(zhì) | |||
| WRS-121 | Φ0.5 | PtRh10-Pt | ○ |
| ○ |
| ○ |
| 高鋁質(zhì) | <150 | 常壓 |
| WRS-123 | ○ |
| ○ |
|
| ○ | <360 | ||||
| WRS2-131 | ○ |
|
| ○ | ○ |
| <150 | ||||
| WRS2-133 | ○ |
|
| ○ |
| ○ | <360 | ||||
| WRR-121 | Φ0.5 | PtRh13-Pt | ○ |
| ○ |
| ○ |
| 剛玉管 | <150 | 常壓 |
| WRR-123 | ○ |
| ○ |
|
| ○ | <360 | ||||
| WRR2-131 | ○ |
|
| ○ | ○ |
| <150 | ||||
| WRR2-133 | ○ |
|
| ○ |
| ○ | <360 | ||||
| WRB-121 | Φ0.5 | PtRh30-Pt | ○ |
| ○ |
| ○ |
| 剛玉管 | <150 | 常壓 |
| WRB-123 | ○ |
| ○ |
|
| ○ | <360 | ||||
| WRB2-131 | ○ |
|
| ○ | ○ |
| <150 | ||||
| WRB2-133 | ○ |
|
| ○ |
| ○ | <360 | ||||
鎳鉻-鎳硅熱電偶 分度號(hào):K 測(cè)溫范圍:-40~1000℃
工業(yè)鎳鉻-鎳鉻熱電偶
熱電偶 型 號(hào) WRK WRK2 | 固 定 裝 置 | 接 線 盒 | 保 護(hù) 管 | 熱響應(yīng)時(shí)間s | 耐壓 | ||||||||||||
| 無(wú)固定裝置 | 固定螺紋 | 活動(dòng)法蘭 | 固定 | 900角固定法蘭 | 錐形固定螺紋 | 防濺型 | 防水型 | 隔爆型 | Φ16 | Φ20 | Φ16 | Φ25 | 錐形 | 材 質(zhì) | <90 | 常壓 | |
| 1 | 2 | 3 | 4 | 5 | 6 | 2 | 3 | 4 | 0 | 1 | 2 | 3 | |||||
| -120 | ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -121 | ○ |
|
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|
| ○ |
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|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -122 | ○ |
|
|
|
|
| ○ |
|
|
|
| ○ |
|
| 高鋁管 | <150 | 常壓 |
| -123 | ○ |
|
|
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| ○ |
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| ○ |
| 高鋁管 | <360 | 常壓 |
| -130 | ○ |
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -131 | ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -132 | ○ |
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| ○ |
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| ○ |
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| 高鋁管 | <150 | 常壓 |
| -133 | ○ |
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| ○ |
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| ○ |
| 高鋁管 | <360 | 常壓 |
| -220 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -221 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -230 |
| ○ |
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -231 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -320 |
|
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -321 |
|
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -330 |
|
| ○ |
|
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -331 |
|
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -420 |
|
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -421 |
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -430 |
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| ○ |
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -431 |
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -520 |
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| ○ |
| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -521 |
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| ○ |
| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -530 |
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| ○ |
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -531 |
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -620 |
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| ○ | ○ |
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| ○ | 1Cr18Mi9Ti | <90 | <30 |
| -630 |
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| ○ |
| ○ |
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| ○ | 1Cr18Mi9Ti | <90 | <30 |
說(shuō)明:·熱電偶絲直徑為Φ2.5mm和Φ3.2mm兩種規(guī)格;
熱電偶絲材質(zhì)為NiCr-NiSi。
鎳鉻-康銅熱電偶 分度號(hào):E 測(cè)溫范圍:-40~900℃
工業(yè)鎳鉻-康銅熱電偶
| 熱電偶 | 固定裝置 | 接線盒 | 保護(hù)管 | 熱響應(yīng)時(shí)間s | 耐壓 MPa | ||||||||||||
| 無(wú)固定裝置 | 固定螺紋 | 活動(dòng)法蘭 | 固定 | 900角固定法蘭 | 錐形固定螺紋 | 防濺型 | 防水型 | 隔爆型 | Φ16 | Φ20 | Φ16 | Φ25 | 錐形 | 材 質(zhì) | |||
| 1 | 2 | 3 | 4 | 5 | 6 | 2 | 3 | 4 | 0 | 1 | 2 | 3 | |||||
| -120 | ○ |
|
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -121 | ○ |
|
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -130 | ○ |
|
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -131 | ○ |
|
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -220 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -221 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -230 |
| ○ |
|
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| ○ |
| ○ |
|
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| 1Cr18Mi9Ti | <90 | <10 |
| -231 |
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <10 |
| -320 |
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -321 |
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -330 |
|
| ○ |
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -331 |
|
| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -420 |
|
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -421 |
|
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| ○ |
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| ○ |
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| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -430 |
|
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| ○ |
|
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| ○ |
| ○ |
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -431 |
|
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| ○ |
|
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| ○ |
|
| ○ |
|
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| 1Cr18Mi9Ti | <90 | <6.4 |
| -520 |
|
|
|
| ○ |
| ○ |
|
| ○ |
|
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -521 |
|
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| ○ |
| ○ |
|
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| ○ |
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -530 |
|
|
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| ○ |
|
| ○ |
| ○ |
|
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -531 |
|
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|
| ○ |
|
| ○ |
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| ○ |
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -620 |
|
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| ○ | ○ |
|
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| ○ | 1Cr18Mi9Ti | <90 | <30 |
| -630 |
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| ○ |
| ○ |
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| ○ | 1Cr18Mi9Ti | <90 | <30 |
說(shuō)明:·熱電偶絲直徑為Φ2.5mm和Φ3.2mm兩種規(guī)格;
·熱電偶絲材質(zhì)為NiCr-CuNi。
鎳鉻硅-鎳硅熱電偶 分度號(hào):N 測(cè)溫度:-40~1300℃
工業(yè)鎳鉻硅-鎳硅熱電偶
| 熱電偶 | 固定裝置 | 接線盒 | 保護(hù)管 | 熱響應(yīng)時(shí)間s | 耐壓 | ||||||||||||
| 無(wú)固定裝置 | 固定螺紋 | 活動(dòng)法蘭 | 固定 | 900角固定法蘭 | 錐形固定螺紋 | 防濺型 | 防水型 | 隔爆型 | Φ16 | Φ20 | Φ16 | Φ25 | 錐形 | 材 質(zhì) | |||
| 1 | 2 | 3 | 4 | 5 | 6 | 2 | 3 | 4 | 0 | 1 | 2 | 3 | |||||
| -120 | ○ |
|
|
|
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| ○ |
|
| ○ |
|
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -121 | ○ |
|
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| ○ |
|
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| ○ |
|
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| 1Cr18Mi9Ti | <90 | 常壓 |
| -122 | ○ |
|
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| ○ |
|
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| ○ |
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| 高鋁管 | <150 | 常壓 |
| -123 | ○ |
|
|
|
|
| ○ |
|
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|
| ○ |
| 高鋁管 | <360 | 常壓 |
| -130 | ○ |
|
|
|
|
|
| ○ |
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -131 | ○ |
|
|
|
|
|
| ○ |
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -132 | ○ |
|
|
|
|
|
| ○ |
|
|
| ○ |
|
| 高鋁管 | <150 | 常壓 |
| -133 | ○ |
|
|
|
|
|
| ○ |
|
|
|
| ○ |
| 高鋁管 | <360 | 常壓 |
| -220 |
| ○ |
|
|
|
| ○ |
|
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | <10 |
| -221 |
| ○ |
|
|
|
| ○ |
|
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | <10 |
| -230 |
| ○ |
|
|
|
|
| ○ |
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | <10 |
| -231 |
| ○ |
|
|
|
|
| ○ |
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | <10 |
| -320 |
|
| ○ |
|
|
| ○ |
|
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -321 |
|
| ○ |
|
|
| ○ |
|
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -330 |
|
| ○ |
|
|
|
| ○ |
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -331 |
|
| ○ |
|
|
|
| ○ |
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -420 |
|
|
| ○ |
|
| ○ |
|
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | <6.4 |
| -421 |
|
|
| ○ |
|
| ○ |
|
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | <6.4 |
| -430 |
|
|
| ○ |
|
|
| ○ |
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | <6.4 |
| -431 |
|
|
| ○ |
|
|
| ○ |
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | <6.4 |
| -520 |
|
|
|
| ○ |
| ○ |
|
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -521 |
|
|
|
| ○ |
| ○ |
|
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -530 |
|
|
|
| ○ |
|
| ○ |
| ○ |
|
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -531 |
|
|
|
| ○ |
|
| ○ |
|
| ○ |
|
|
| 1Cr18Mi9Ti | <90 | 常壓 |
| -620 |
|
|
|
|
| ○ | ○ |
|
|
|
|
|
| ○ | 1Cr18Mi9Ti | <90 | <30 |
| -630 |
|
|
|
|
| ○ |
| ○ |
|
|
|
|
| ○ | 1Cr18Mi9Ti | <90 | <30 |
說(shuō)明:·熱電偶絲直徑為Φ2.5mm和Φ3.2mm兩種規(guī)格;
·熱電偶絲材質(zhì)為NiCrSi-NiSiMg。
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請(qǐng)輸入密碼
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