SCHNEIDER STBDAI7220
SCHNEIDER STBDAI7220
主要應用
在石油、石化、化工方面,可測量管道和貯罐的壓力。
在電力、城市煤氣和其他公用事業方面,可用于要求高穩定度和高精度的測量。
在鋼鐵、有色金屬和陶瓷方面,用于在嚴格控制(溫度和濕度)條件下要求穩定測量的場合。
在紙漿和造紙方面,可用于要耐化學液體、耐腐蝕性液體之類的變送器。
在機械和造船方面,可用于嚴格控制(溫度和濕度)條件下要求穩定測量的場合。
二、性能規格
零點遷移量
最大正遷移量:測量范圍上限值與測量量程之差
最大負遷移量:不大于大氣壓
測量范圍
測量下限:-100%URL(≥-0.1MPa)~+100%URL-Span
測量上限:-100%URL+Span(≥-0.1MPa+Span)~+100%URL
負載特性
變送器負載特性為:RL≤(Vs-Vm)V/0.023A式中:RL--最大負載電阻;Vs--供電電源;Vm--無LCD顯示表頭時為11V,帶LCD 顯示表頭時為15V。HART 通信時負載電阻(含信號接收電阻及信號傳輸導線電阻)要求230Ω~600Ω。
量程和零位的調整
HART手操器、就地按鈕、支持HART協議的通信軟件。
響應時間
當變送器的電氣阻尼關閉時,變送器對階躍輸入(10%)的響應時間(63%)小于或等于0.4s。
測量對象:液體、蒸汽、氣體
工作溫度:-40℃~85℃
精度等級:0.1%F.S
量 程 比:100:1
絕緣電阻:>100MΩ(500VDC)
電氣阻尼:0.1~16s 可任選
溫度影響量:優于0.1%F.S/10℃
供電電源:11~45VDC(不帶背光顯示)
15~45VDC(帶背光顯示)
EMC:符合EN 61326-1:2013標準
輸出信號:4~20mA(Max 22mA,Min 3.8mA)
通信接口:HART通信
本安性能:EX ia IIC T6
智能差壓液位式變送器是一種直接安裝在管道或容器上的現場變送器。由于隔離膜片直接與液體介質相接觸,無須將正壓側用導壓管引出,因此可以測量高溫,高粘度,易結晶、易沉淀和強腐蝕等介質的液位、壓力和密度,然后將其轉換成4-20mADC信號輸出。液位變送器廣泛應用于河流、地下水位、水庫、水塔及容器等場合的液位測量與控制,它是通過測量液體的壓力進而換算成液位的一種傳感器。
廈門興銳達自動化設備有限公司
聯系人:劉錦玲 銷售經理
熱 線:0592-5361112
手 機:15359273791
QQ: 2859249356
微信:15359273791
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