美國(guó)UE防爆溫度開關(guān)E121-3BS 美國(guó)UE溫度開關(guān)E121-4BS
美國(guó)UE防爆溫度開關(guān)E121-5BS 美國(guó)UE溫度開關(guān)E121-8BS
美國(guó)UE防爆溫度開關(guān)E121-13273 美國(guó)UE溫度開關(guān)E121-8BS-6S-6S
E121 型:溫包及毛細(xì)管式;一個(gè)單刀雙擲(SPDT)輸出;環(huán)氧涂層外殼;外部可調(diào),有參考刻度,單導(dǎo)線管
E121系列防爆溫度開關(guān)參數(shù)
Type E121, E121-13273 (HTFP), single switch, bulb and capillary***, external adjustment via reference dial.Type E122, E122-13321 (HTFP), dual
switch, bulb and capillary***, external adjustment via reference dial
2BSA -120 to 100 -84.4 to 37.8 150 65.5 5 5 3/8 x 2 5⁄ 8"
2BSB 30 to 250 -1.1 to 121.1 300 148.9 5 5 3/8 x 2 5⁄ 8"
3BS 100 to 400 37.8 to 204.4 450 232.2 5 5 3/8 x 2 1⁄ 8"
4BS 25 to 100 -3.9 to 37.8 150 65.5 2 1 3/8 x 6 3⁄ 4"
5BS -20 to 80 -28.9 to 26.7 130 54.4 2 2 3/8 x 5"
8BS 350 to 640 176.7 to 337.8 690 365.6 5 5 3/8 x 3 1⁄ 4"
13273 25 to 325 -3.9 to 162.8 360 182.2 5 5 1/4" x 10 1⁄ 4"(Heat Tracing)
帶毛細(xì)管溫度開關(guān)型號(hào)
C120-120 C120-121 B121-120 B121-121 E121-4BS E121-5BS E121-8BS E121-13273
B122-120 B122-121 E121-3BS E122-8BS B122-13322 E121-2BSA E121-2BSB
F120-1BS F120-2BS F120-3BS F120-4BS E122-5BS E122-13321 B121-13272
F120-5BS F120-6BS F120-7BS F120-8BS E122-2BSA E122-2BSB E122-3BS E122-4BS
UE帶溫包和毛細(xì)管溫度開關(guān)簡(jiǎn)介
帶毛細(xì)管的溫度開關(guān)。毛細(xì)管的一端連著一個(gè)溫包,即儀表的感溫部分,毛細(xì)管的另一端連著儀表的顯示部分(對(duì)于遙測(cè)溫度表),或執(zhí)行部分(對(duì)于溫度開關(guān))。
就以遙測(cè)溫度表為例來(lái)說(shuō)明其工作原理:溫包里充滿了介質(zhì)(液體或氣體),利用介質(zhì)受熱膨脹的原理,通過(guò)毛細(xì)管將介質(zhì)膨脹產(chǎn)生的壓力傳遞給儀表的顯示部分,儀表的顯示部分實(shí)質(zhì)上是一個(gè)壓力表的表芯,根據(jù)介質(zhì)在不同的溫度下產(chǎn)生的壓力,讓開關(guān)產(chǎn)生動(dòng)作。

E121系列防爆溫度開關(guān)尺寸




































