3851LT型法蘭式液位變送器用途nHd壓力變(bian)(bian)送器_差(cha)壓變(bian)(bian)送器_液位變(bian)(bian)送器_溫度變(bian)(bian)送器
　　3851LT型法蘭式液位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4～20mA.DC信號輸出。LT型液位變送器采用標準的法蘭進行安裝聯接。nHd壓力變送(song)器_差壓變送(song)器_液位(wei)變送(song)器_溫度變送(song)器

3851LT型法蘭式液位變送器技術性能nHd壓(ya)力變(bian)(bian)送器(qi)_差(cha)壓(ya)變(bian)(bian)送器(qi)_液位變(bian)(bian)送器(qi)_溫度變(bian)(bian)送器(qi)
1、輸出信號：4～20mA.DC二線制（模擬）nHd壓力(li)變(bian)送(song)器(qi)_差壓變(bian)送(song)器(qi)_液位變(bian)送(song)器(qi)_溫度變(bian)送(song)器(qi)
二線制4～20mA直流信號上疊加數字信號，由用戶選擇線性或開方輸出。（智能）nHd壓(ya)力變送(song)器(qi)_差(cha)壓(ya)變送(song)器(qi)_液位(wei)變送(song)器(qi)_溫度變送(song)器(qi)
2、供電電源：12～45V.DC（詳見負載特性圖）nHd壓(ya)力變送(song)器(qi)(qi)(qi)_差(cha)壓(ya)變送(song)器(qi)(qi)(qi)_液位變送(song)器(qi)(qi)(qi)_溫度變送(song)器(qi)(qi)(qi)
3、負載特性：nHd壓(ya)力變送器_差壓(ya)變送器_液位變送器_溫度變送器
　　電源影響：<0.005%/VnHd壓力變(bian)(bian)送(song)(song)器_差壓變(bian)(bian)送(song)(song)器_液(ye)位變(bian)(bian)送(song)(song)器_溫度變(bian)(bian)送(song)(song)器
　　負載影響：電源穩定時，無負載影響。nHd壓力變(bian)送(song)器(qi)(qi)_差壓變(bian)送(song)器(qi)(qi)_液位變(bian)送(song)器(qi)(qi)_溫度(du)變(bian)送(song)器(qi)(qi)
　　測量精度：調校量程的±0.2%，±0.25%，±0.5%nHd壓力變送(song)器(qi)_差壓變送(song)器(qi)_液(ye)位變送(song)器(qi)_溫(wen)度變送(song)器(qi)
（標配精度為±0.5%，若選擇其他精度請在訂貨選型時注明。）nHd壓力(li)變(bian)(bian)送器_差(cha)壓變(bian)(bian)送器_液位變(bian)(bian)送器_溫度變(bian)(bian)送器
　　遷移特性：#大正遷移量500%nHd壓力變送(song)器_差壓變送(song)器_液位變送(song)器_溫度變送(song)器
#大負遷移量600%nHd壓力變送(song)(song)器_差壓變送(song)(song)器_液位(wei)變送(song)(song)器_溫度變送(song)(song)器
注：① 負遷移量的覺對值，不大于一個工程大氣壓。nHd壓(ya)力變送(song)器(qi)_差壓(ya)變送(song)器(qi)_液位變送(song)器(qi)_溫度變送(song)器(qi)
　　② 遷移后的上限或下限覺對值，均不應超過#大測量范圍的上限值。nHd壓力(li)變(bian)送器_差(cha)壓變(bian)送器_液位變(bian)送器_溫度變(bian)送器
　　③ 差壓流量變送器遷移會破壞開方特性，故不能進行遷移。nHd壓力變送(song)(song)(song)器_差(cha)壓變送(song)(song)(song)器_液(ye)位變送(song)(song)(song)器_溫度變送(song)(song)(song)器
　　④覺對壓力變送器不能進行負遷移。nHd壓(ya)力變(bian)送(song)(song)器(qi)_差壓(ya)變(bian)送(song)(song)器(qi)_液位變(bian)送(song)(song)器(qi)_溫度變(bian)送(song)(song)器(qi)

4、阻尼：通常可在0.2～1.67秒之間可調，當灌充惰性液或帶遠傳裝置時，時間常數會增大。nHd壓力變送器(qi)_差壓變送器(qi)_液位變送器(qi)_溫度(du)變送器(qi)
5、啟動時間：<2秒，不需預熱nHd壓力變送(song)器(qi)_差壓變送(song)器(qi)_液位變送(song)器(qi)_溫度變送(song)器(qi)
6、工作環境：環境溫度 -29～93℃（模擬放大器）；-29～75℃（數字/智能放大器）；-29～65℃（帶顯示表頭）nHd壓力變送(song)器(qi)_差(cha)壓變送(song)器(qi)_液(ye)位變送(song)器(qi)_溫(wen)度(du)變送(song)器(qi)
　　環境濕度 0～95%nHd壓(ya)力變(bian)送(song)(song)(song)器(qi)_差壓(ya)變(bian)送(song)(song)(song)器(qi)_液位變(bian)送(song)(song)(song)器(qi)_溫(wen)度變(bian)送(song)(song)(song)器(qi)
7、防護特性：防護能力 IP65nHd壓力變(bian)送(song)(song)器_差壓變(bian)送(song)(song)器_液位變(bian)送(song)(song)器_溫(wen)度變(bian)送(song)(song)器
8、防爆類型：隔爆型 Exd II BT4-6、本安型 Exia II CT5nHd壓力變送器(qi)(qi)(qi)_差壓變送器(qi)(qi)(qi)_液位變送器(qi)(qi)(qi)_溫度變送器(qi)(qi)(qi)
9、靜壓影響：DP類零位誤差：對于14MPa，±0.1%#大量程限值或±0.25%#大量程限值（量程代號為3），在管道壓力下通過調零給予校正。nHd壓力變(bian)(bian)送(song)(song)(song)器(qi)_差壓變(bian)(bian)送(song)(song)(song)器(qi)_液位(wei)變(bian)(bian)送(song)(song)(song)器(qi)_溫(wen)度變(bian)(bian)送(song)(song)(song)器(qi)
10、HP類零位誤差：±0.5%#大量程限值，對于32MPa在管道壓力下通過調零給予校正。nHd壓力變(bian)送器(qi)_差壓變(bian)送器(qi)_液位變(bian)送器(qi)_溫(wen)度變(bian)送器(qi)
11、電磁輻射影響：0.05%#大量程值，接受輻射頻率27～500MHz，試驗場強3V/m。nHd壓力變(bian)送器_差壓變(bian)送器_液(ye)位變(bian)送器_溫度變(bian)送器
12、指示表（%）：電流表 標尺長44.5mm 精度±2%；液晶數顯精度±0.2%nHd壓力(li)變送(song)器_差壓變送(song)器_液位(wei)變送(song)器_溫度(du)變送(song)器
13、振動影響：任何方向200Hz振動時，±0.05%/g。nHd壓力變送(song)器_差壓變送(song)器_液位變送(song)器_溫度變送(song)器
14、安裝位置：膜片未垂直安裝，可能產生小于0.24KPa的零點誤差，但可通過調零來消除。nHd壓力變(bian)(bian)(bian)送(song)(song)器_差(cha)壓變(bian)(bian)(bian)送(song)(song)器_液位變(bian)(bian)(bian)送(song)(song)器_溫度變(bian)(bian)(bian)送(song)(song)器
15、重量：5.4Kg（不包括附件）nHd壓力(li)變(bian)送(song)器(qi)(qi)(qi)_差壓變(bian)送(song)器(qi)(qi)(qi)_液位變(bian)送(song)器(qi)(qi)(qi)_溫度變(bian)送(song)器(qi)(qi)(qi)

1151LT型法蘭式液位變送器選型表nHd壓力變送(song)器(qi)_差壓變送(song)器(qi)_液位變送(song)器(qi)_溫度變送(song)器(qi)