dn300电磁流量计要多少钱

本文章主要介绍了：dn300电磁流量计要多少钱,孔板流量计 电磁流量计的,电磁流量计无累计流量,dn300电磁流量计要多少钱等信息

3）电磁流量计是一种体积流量测量仪表，在测量过程中，它不受被测介质的温度、粘度、密度以电导率（在一定范围）的影响。因此，电磁流量计只需经水标定后，就可心用来测量其它导电性液体的流量。
4）电磁流量计的输出只与被测介质的平均流速成正比，而与对称分布下的流动状态（层流或湍流）无关。所以电磁流量计的量程范围极宽，其测量范围度可达100：1，有的甚至达1000：1的可运行流量范围。
5）电磁流量计无机械惯性，反应灵敏，可以测量瞬时脉动流量，也可测量正反两个方向的流量。
6）工业用电磁流量计的口径范围极宽，从几个毫米一直到几米，而且国内已有口径达3m的实流校验设备，为电磁流量计的应用和发展奠定了基础。
(dn300电磁流量计要多少钱)

DN200～DN350≤1.0MPa
DN400～DN1000≤0.6MPa
DN1200～DN2200≤0.6MPa
电导率范围
被测流体电导率≥5μs/cm
4～20mA（负载电阻0～750ω），脉冲/频率，控制电平
RS485，MODBUS协议，HART协议，Profibus-DP协议
220VAC,24VDC
要求直管段长度
上游≥5DN，下游≥2DN
流量计与配管之间均采用法兰连接，法兰符合国际：GB/T9113.1-2000
Exd[ia]iaqIICT5
IP65，特殊订制可达IP68
-30～+60℃
消耗总功率
(dn300电磁流量计要多少钱)

刮刀式电磁流量计电极介绍
电磁流量计在测量容易发生污垢和产生附着物的流体,如浆液,污水等介质时,电极表面往往有污垢附盖,使电磁流量计输出发生摆动和漂移,严重时无法测量,此时,便要对电极进行清洗,刮刀式电磁流量计采用机械清除法,用不锈钢制成一把带有细轴的刮刀,通过空心电极把刮刀引出,细轴和空心电极之间采用机械密封以防止介质外流(见下图),于是组成了机械刮除器,当打开表体电极外盖,转动细轴时,刮刀紧贴电极端平面转动,刮除污垢,这种刮刀器可以手动,也可以用马达驱动细轴自动刮除,刮刀式电磁流量计采用手动法,带刮刀电极的电磁口径从DN80开始,电极采用316L不锈钢。
(dn300电磁流量计要多少钱)

随着集成电路技术的迅速发展，具有锁相环路技术的超声波流量计也得到了普遍应用。随着微型计算机的广泛应用，进一步提高了流量测量的能力，如激光多普流速计应用微型计算机后，可处理较为复杂的信号。近30年来，先后研制出并投入使用的流量计有速度式流量计、容积流量计、动量式流量计、电磁流量计、超声波流量计等几十种新型流量计。目前国外投入使用的流量计有100多种，国内定型投产的也有近50种。随着工业生产的自动化、管道化的发展，流量仪表在整个仪表生产中所占比重越来越大。
目前，我公司主要有流量计，电磁流量计，涡街流量计，涡轮流量计，气体流量计，液体流量计，污水流量计，天然气流量计，腰轮流量计，罗茨流量计，蒸汽预付费系统，IC卡蒸汽预付费等；与华南理工大学合作开发了集散型流量控制系统；与中科院合作，开发了微机油料灌装系统，以上产品采用新材料、新技术，提高了产品的可靠性、稳定性.
(dn300电磁流量计要多少钱)

(dn300电磁流量计要多少钱)

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