50P80-EAOA1AAOAAAA德國正品Endress+Hause電磁流量計50P80-EAOA1AAOAAAA的詳細資料：

 德國正品Endress+Hause電磁流量計50P80-EAOA1AAOAAAA

E+H電磁流量計是根據(jù)法拉第電磁感應定律進行流量測量的流量計。電磁流量計的優(yōu)點是壓損極小，可測流量范圍大。zui大流量與zui小流量的比值一般為20：1以上，適用的工業(yè)管徑范圍寬，zui大可達3m，輸出信號和被測流量成線性，精確度較高，可測量電導率≥1μs/cm的酸、堿、鹽溶液、水、污水、腐蝕性液體以及泥漿、礦漿的流體流量。但它不能測量氣體、蒸汽以及純凈水的流量。

當導體在磁場中作切割磁力線運動時，在導體中會產(chǎn)生感應電勢，感應電勢的大小與導體在磁場中的有效長度及導體在磁場中作垂直于磁場方向運動的速度成正比。同理，導電流體在磁場中作垂直方向流動而切割磁感應力線時，也會在管道兩邊的電極上產(chǎn)生感應電勢。感應電勢的方向由右手定則判定，感應電勢的大小由下式確定：

Ex=BDv-----------------式（1）

式中Ex—感應電勢，V；

B—磁感應強度，T

D—管道內(nèi)徑，m

v—液體的平均流速，m/s

然而體積流量qv等于流體的流速v與管道截面積（πD?）/4的乘積，將式（1）代入該式得：

Qv=（πD/4B）* Ex ---------式（2）

由上式可知，在管道直徑D己定且保持磁感應強度B不變時，被測體積流量與感應電勢呈線性關(guān)系。若在管道兩側(cè)各插入一根電極，就可引入感應電勢Ex，測量此電勢的大小，就可求得體積流量。

德國正品Endress+Hause電磁流量計50P系列測量原理：根據(jù)法拉第電磁感應定律，在磁感應強度為B的均勻磁場中，垂直于磁場方向放一個內(nèi)徑為D的不導磁管道，當導電液體在管道中以流速v流動時，導電流體就切割磁力線.如果在管道截面上垂直于磁場的直徑兩端安裝一對電極則可以證明，只要管道內(nèi)流速分布為軸對稱分布，兩電極之間產(chǎn)生感生電動勢：

e=KBDv （3-36）

式中，v為管道截面上的平均流速，k為儀表常數(shù)。由此可得管道的體積流量為：

qv= πeD/4KB （3-37）

由上式可見，體積流量qv與感應電動勢e和測量管內(nèi)徑D成線性關(guān)系，與磁場的磁感應強度B成反比，與其它物理參數(shù)無關(guān)。這就是電磁流量計的測量原理。

需要說明的是，要使式（3—37）嚴格成立，必須使電磁流量計測量條件滿足下列假定：

①磁場是均勻分布的恒定磁場;

②被測流體的流速軸對稱分布;

③被測液體是非磁性的;

④被測液體的電導率均勻且各向同性。

德國正品Endress+Hause電磁流量計50P80-EAOA1AAOAAAA

10W2H-UC0A1AA0A4AA  72F1H-SE0AAPAA4AA  50W1Z-UC0B1AA0AAAH  50W2H-UD0B1AA0AAAH

50W2H-UD0B1AK2AAAH  50W65-UA0B1AA0AAAH  50P25-AA1B1AA0AAAH   50W32-UA0B1AA0AAAH

50W1H-UC0B1AA0AAAH  50W80-HC0A1AA0AAAH   53W1F-UC0B1AK6AAAJ 電纜L=1500

50WT8-HE0B1AK6AAAH L=1500  50WT2-HE0B1AK6AAAH L=1500  50W2H-UD0B1AK6AAAH L=1500

50W2H-UC0B1AA0AAAH  50W65-HC0A1AA0AAAH  72F1H-SB0AA1GAA6AH  50P2H-AD0B1AA0AAAH

80M50-AS2AAAAAAAAA  80I40-AD2WABAAAAAA  DTI200-A12D1A  DTI200-A14B1A

72F2F-SE0AA1AAA4AA  50P80-EC0A1AA0AAAA  50P2H-EC0A1AA0AAAA  50P1Z-EC0A1AA0AAAA

65I-20AA0AD1A3AAAA  72F2H-SB0BA1AEA4AA  50W65-HC0A1AA0AAAW   50W65-UC0A1AA0AAAW

53H04-KA0B1AC1AAAA  50P80-EC3A1AA0AAAA  50P2h-EC3A1AA0AAAA  50P1Z-EC3A1AA0AAAA

65I-20AA0AD1A3AABA  72F2H-SB0B10AEA4AA   72F2F-SE0AA1AAA4AW  50P50-EA0A1AA0AAAA

50P80-EC0A1AA0AAAA  72F1H-SB0AA1AAA4AW  53H04-KA0B1AC1AHAA  72W50-SD0AA1AAA6AH

53H08-DB0B1AA0ABAJ  72W25-SD0AA1AAA6AH  80A04-ASVWAAAAAAAA  91WA1-AA3A00ACA4AA

10W1H-UC1A1AA0A4AA  72F1F-SE0AA1AAA4AW   91WA1-AA3B12AKA4AA 電纜長度10M

50W80-UC0D1AA0AAAW  83F50-BD2CAABABHAA   83I41-AD2WAAABAGAA  72F1H-SE0AA1AAA4AW

50W65-HCOA1AA0AAAD  50W80-HCOA1AA0AAAD   50W2h-HCOA1AA0AAAD   FAU40-2N

53H65-1F0B1AC2B2AA  53W50-UAOB1AA0AAAA   53W2F-HCOB1AA0AAAA  50P25-EA3A1AA0AAAA

53w2H-HCOB1AA0AAAA  53W1F-HCOB1AA 0AAAA  53W1H-HC0B1AA0AAAA  53W80-HC0B1AA0AAAA

53w50-UAOB1AA0AAAA  53W2F-HCOB1AA0AAAA  53W2H-HCOB1AA0AAAA  53W1F-HCOB1AA0AAAA

50W4H-UD0A1HK2CAAA  72F80-SK0AA1NAB4AW  50P40-ER2A1RA0BEAW  53H08-LBOB1AA0ABAA

50P25-EA1A1AA0ABAA  50W1F-UC0A1AA0ABAA  50W2H-UD0A1AA0ABAA   65F40-BE2AG1AAAAAA

50P50-EA1A1AA0BAAA  50P80-EA1A1AA0BAAA  80M50-AS2AABAAAAA8  73F2H-SD4AA1AAA4AA

10W50-UA0A1AA0A4AA  50w50-UA0A1AA0AAAW  53P15-EL2B1BG1BGAK  50P2H-EC0A1AA0AAA3

50P50-EA0A1AA0AAAA  83M25-ASBAAABEBHAA  83M25-ASAAAABEBHAA  90WA0-AB3A10ACAAAA

72F25-SE0AA1AAA4AW  50W4F-HC0A1AK4ACAW  72W1H-SE1AA1AAA4AW  72F1H-SE1AA1AAA4AW

10H65-UF0A1AA0A4AA   91WA1-BA1A10ACA4AA  53W80-HC0B1AA0AAAA  72F80-SE0AA1AAA4AA

50W2H-HD0A1AK2AAAA  50W8H-HD0A1AK2AAAA  50W3H-HD0A1AK2AAAA  72F80-SE1AA1AAA4AW

10P32-EA0A1AA0A4AA  10P80-EC1A1AA0B4AA  10P50-EA1A1AA0A4AA  50P1H-EA0A1AA0AAAA

72F25-SE1AA1CAB4AW  50P32-EF1A1AA0AAAW  50P15-EF1A1AA0AAAW  50P50-EA1A1AA0BAAA

50P80-EA1A1AA0BAAA  80M50-AS2AABAAAAA8  50W1H-HC0A1AA0AAAW  50P15-EA0A1AA0AAAW

10P32-EA0A1AA0A4AA  50W50-UA0A1AA0AAAW  91WA1-AA2A10ACA4AA  53P2H-EC0B1AA0AAAA

93WA2-AB3B10ACAAAA  5BH08-VF0A1AB041A1  53H40-1F0B1AA0ADAA  72F50-SE0AA1AAA4AA

72F1F-SE0AA1AAA4AA  72F2H-SE0AA1AAA4AA  10W40-UA0A1AA0A4AA  10W1Z-UC0A1AA0A4AA

50P25-AS0A1BA0AAAW  50P1F-EM0A1BA0AAAW  53W2H-HC2B1AK6AGCA L=100m   FMU40-ANB1A2

53W2F-HC2B1AK6AGCA L=100m    80A02-ASVWAAAACAAA    65F25-AE2AG1AAAACA

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