一、概述
羅斯蒙特音叉液位開關(guān)提供易于安裝以及可靠的液位檢測和控制。其通過第 3方 IEC61508(SIL2)的安全和衛(wèi)生認(rèn)證,并可選擇輸出,具有廣泛的用途。 其沒有移動零件,不需要校準(zhǔn),幾乎不受工藝條件的影響。 可調(diào)切換延遲功能能夠防止紊流應(yīng)用中的誤合閘。 了解流程中正在發(fā)生的情況——可見的心跳式 LED 提供設(shè)備狀態(tài)和健康狀態(tài),磁力測試點提供易于使用的功能測試。
三、規(guī)格
Communication Protocol Direct Load, PLC/PNP, Relay, 8/16 mA, NAMUR
Process Media Density Minimum 37.5 lb/ft3 (600 kg/m3)
Viscosity 0.2 to 10000 cP (centiPoise)
Operating Pressure Full vacuum to 1450 psi (Full vacuum to 100 bar)
Operating Temperature -40 to 302 °F (-40 to 150 °C)
Safety SIL2 IEC 61508 certified
TüV tested and WHG approved for overfill prevention
Diagnostics Electronic self-checking and condition monitoring
三、功能
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Magnetic test point makes testing of the Rosemount 2120 easy
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Can be operated using the sun or battery as a power source with the 12Vdc option
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Fast drip fork design gives a quicker response time, especially with viscous liquids
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Adjustable switching delay enables easy handling of turbulent and splashing applications
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3-A and EHEDG certificates for hygienic applications. Compliance with FDA and ASME-BPE standards
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