智能電磁流量計

一,結構與用途Structure and use
LDG系列電磁流量計是一種電磁感應式流量儀表,是集信號檢測及微電子智能化技術于一體的高新家電產品。可根據安裝方式分為管道式和式兩大類,也可以根據現實方式分為現場顯示器(一體型)和分體型及遠傳顯示器4-20ma輸出型(現場不顯示)三種結構,它能測量導電液體介質,包括酸、堿鹽等強腐蝕性液體和紙漿,泥漿
、廢污水及固液兩相懸浮液的體積流量。產品廣泛應用于石油、化工、冶金、紡織、食品、制藥、造紙行業及、市政管理、水利建設、河流灌溉等領域。
LDG series electric-magnet flow meter is a kind of elactric-magnetmeter. has companicd the signal check a dl mirnrcloctric intclligcntizc. Can be departs two kind by the pipe style and cut in style. And according the display way to scparuc the seen nwnitcw shower and two body kmg distance monitor, 4-2OmA export throe styles It can dclcd the now quantity of clctlric cronducuon liquid. including acid, alkali. salt and othcr strong caustic liquid and pepper pulp, mud mplp. and age two-phasc liquid volume flux.Products widely use in petrol. chemical, metallurgy. spin, food, medicine,paper making and other engineer. And protect the environment. town planning manage. imgaIiun nuiluing. nvcr imga*c and oxncr wmain.
二,工作原理Work Principal
電磁流量計所依據的基本理論是法拉第電磁感應定律,可測量管內流動的導電流體的體積,如圖1所示,導電流體流動方向與電磁場的方向垂直,在導管垂直方向施加一個交變的磁場并在有緣襯里的導管內壁兩側安裝一對電,兩電的連線即與導管軸線垂直,又與磁場方向垂直,當導電液體流經導管時,因切割磁力線,兩個電上就產生感應電動勢UE。
The basic theory is Faraday ekctromagneti, when the conductor cut
the magnet, when the conduct get the moving eloctnomtxis a (twee. According
this principal, can be test the volume of the liquid, such a picture 1. the
direction of current is vertical with the magnet direction, the sensor pole
vertical with the magnet way and current way, when the conduct liquid flow
the pipe, because cut the magnet line, the two head of the pole will produce
the electromotive force UE.
三,技術參數Technique parameter
1,流量測量范圍及量程比:流量測量范圍見表3
量程比為:1:10~120
2,流速范圍:0.3-10m/s
3,介質導電率:》5us/cm
4,測量:0.5%FS1.0%(0.2%FS系V>0.5m/s的指定段)
5,顯示方式:LCD顯示瞬時流量4位,累計流量8位
6,壓力:1.6Mpa;2.5Mpa;6.4Mpa;16Mpa;25Mpa;32Mpa;40Mpa;
使用環境:溫度-20~ +50攝氏度 濕度小于等于85%
7,輸出信號:頻率輸出0-5KHz HART協議 電流輸入4-20mA RS-485通訊接口
8,斷點數據保存時間:10年
9,電源:220VGA正負15% 24VDC正負5%(可選)
10,功耗:小于等于15VA
11,機械震動頻率:小于等于55Hz 振幅:小于等于0.15mm
12,平均無故障工作時間:MTBF=30000h
13,護等級:IP67、IP68(只適用于分體型)
14,襯里材料:聚氨酯橡膠、氯丁橡膠、聚四氟乙烯、F46
15,316L哈氏合金HB:哈氏合金HC:材料(如:鈦,鉑等金屬材料)
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