进口夹持式涡街流量计 美国RETZ瑞茨
2024-06-14 15:32  点击:116
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品牌:RETZ瑞茨/我们一直致力于流体控制和测控领域的持续创新,始于2005……

夹持式涡街流量计有管道式、插入式流量传感器形式,无可动部件,稳定可靠,安装方式灵活方便,根据现场工艺管道不通,可水平,垂直和不同角度倾斜安装

Clamping vortex flow meters come in the form of pipeline and plug-in flow sensors, without movable components, stable and reliable, with flexible and convenient installation methods. According to the on-site process pipeline, they can be installed horizontally, vertically, and at different angles with inclination

进口夹持式涡街流量计原理及用途Principle and purpose

涡街流量计是根据卡门(Karman)涡街原理研究生产的测量气体、蒸汽或液体的体积流量、标况的体积流量或质量流量的体积流量计。主要用于工业管道介质流体的流量测量,如气体、液体、蒸汽等多种介质,也可测量含有微小颗粒、杂质的浑浊液体,广泛应用于石油、化工、制药、造纸、冶金、电力、环保、食品等行业。

Vortex flow meter is a volume flow meter that measures the volume flow rate, standard volume flow rate, or mass flow rate of gas, steam, or liquid based on the Karman vortex flow principle. Mainly used for flow measurement of industrial pipeline medium fluids, such as gases, liquids, steam, and other media. It can also measure turbid liquids containing small particles and impurities, and is widely used in industries such as petroleum, chemical, pharmaceutical, papermaking, metallurgy, power, environmental protection, and food.

传感器输出为脉冲频率,其频率与被测流体的实际流量呈线性,零点无漂移,性能稳定,结构形式多样 The output of the sensor is a pulse frequency, which is linear with the actual flow rate of the measured fluid, with zero drift, stable performance, and diverse structural forms

技术参数 Technical parameter

测量介质   液体、气体、蒸汽(饱和蒸汽、过热蒸汽)

公称通径   DN15-DN300

精度等级   气体无补偿型:DN15-DN25-1.5级,DN32-DN200--1.0级,

DN250-DN300--1.5级;

液体无补偿型:DN15-DN300--1.0(0.5)级;

温压补偿型:DN25-DN300--1.5级;                  

流速范围

        液体:(0~0.38)m/s

气体:(3~65)m/s

蒸汽: (3~70) m/s"

量程比       气体密度1.2kg/m³时,量程比8:1;

液体密度1000kg/m³时,量程比8:1;

(介质密度不同时,量程比会有变化)

管道压力   低压:≤1.6Mpa、≤2.5Mpa

中压:≤4.0Mpa、≤6.3Mpa

高压:≤10Mpa、≤16Mpa、≤25Mpa、≤42Mpa

仪表现场显示(LCD)         瞬时流量、累积流量、温压补偿

介质温度   防爆介质:-40℃~100℃低温介质:-40℃~100℃中温介质:-40℃~280℃高温介质:-40℃~350℃。

工作电源   24VDC±5%、锂电池3.6VDC(电池使用寿命大于2年)

输出信号   瞬时流量对应电压频率脉冲(低电平≤1V,高电平≥6V)

瞬时流量对应4-20mA输出(负载电阻≤300Q)

通讯接口   RS485、HART可选

表体材质   不锈钢(可特殊定制)

电气接口   M20*1.5内螺纹
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