產品詳情
簡單介紹：
航空插件式熱電偶可直接測量0-400度范圍內的溫度，適用于各類塑料擠出機輕工紡織和食品等工業，本類產品具有外型尺寸較小熱響應快，結構簡單，使用方便等特點。
詳情介紹：
航空插件式熱電偶
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主要技術指標Major technical indexes
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鎧裝熱電偶種類、溫度范圍及允差 Temperature measuring range and accurancy
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類別Category
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代號
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分度號
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套管外徑（mm）
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測量范圍 ℃
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*高使用溫度（℃）
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允許偏差△tTolerance
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1
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2
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鎳鉻－銅鎳 Nickel-chromium--cupronickel
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WREK
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E
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≥φ3
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-40～700
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700
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±1.5℃或±0.4％t±1.5℃ or±0.4％t
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±2.5℃或±0.75％t±2.5℃ or ±0.75％t
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WRNK
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K
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-40～900
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950
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WRJK
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J
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-40～500
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600
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WRCK
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T
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-40～350
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400
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鉑銠-鉑 Rhodium Platinum-Platinum
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WRPK
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S
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φ5～φ8
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0～1100
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1300
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±1.5℃ or±0.25％t
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常溫絕緣電阻Insulation resistance at normal temperature
絕緣型鎧裝熱電偶在環境溫度為20±15℃，相對濕度不大于80％時，熱電極與外套管之間的絕緣電阻應符合下表的規定：
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Of the insulated sheathed thermocouple, the insulation resistance between thermode and outer tube shall, under the ambient termperature of 20±15℃ and relative humidity not more than 80％, comply with the stipulation as below:
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鎧裝熱電偶直徑d(mm) Diameter of sheathed thermocouple
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試驗電壓（V·DC） Ecperimental voltage
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絕緣電阻（MΩ·m） Insulation resistance
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0.5～1.5
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50±5
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≥1000
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＞1.5
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500±50
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≥1000
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注：絕緣電阻用（MΩ·m）表示。即1m長的試樣的絕緣電阻為1000MΩ；10m長的試樣的絕緣電阻為100MΩ。Note: The insulation resistance shall be denoted as（ MΩ·m） , namly, the insulation resisance of 1m-long specimen is 1000（ MΩ·m） and that of the 10m-long is 100MΩ.
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鎧裝熱電偶可繞半徑Windable radius of sheathed thermocouple
鎧裝熱電偶的可繞半徑不應小于其直徑的5倍，并沒有明顯的損傷。
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The windable radius of sheathed thermocouple shall not less than 5 times of its
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