一、进口法兰连接涡街流量计概述
涡街流量计是根据卡门(Karman)涡街原理研究生产的,主要用于工业管道介质流体的流量测量,如气体、液体、过热蒸汽、饱和蒸汽等多种介质。其特点是压力损失小,量程范围大,精度高,在测量工况体积流量时几乎不受流体密度、压力、温度、粘度等参数的影响。无可动机械零件,因此可靠性高、维护量小。充分体现了当今机电一体化产品的高科技性及其性价比。该仪表系统数据处理采用Microchip的MCU技术并结合现代微电子工艺研制开发一种高可靠、准确度高的工业流量测控仪表。广泛应用于封闭管道中蒸汽、气体和液体介质流量的计量。
美国威盾VTON进口涡街流量计,产品主要用于测量介质包括:气体、饱和蒸汽、过热蒸汽、导热油、压缩空气、氨气、以及合适测量的液体流量介质,目前广泛用于石化、石油、化工、印染厂、钢铁、市政、电力、建材、造纸、制糖、建材、城市供热、热力公司、蒸汽贸易结算、工业园供热等各行业当中。
Vortex flowmeter is developed and produced based on the Karman vortex principle, mainly used for measuring the flow rate of medium fluids in industrial pipelines, such as gases, liquids, superheated steam, saturated steam, and other media. Its characteristics are small pressure loss, large range of measurement, high accuracy, and almost unaffected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring the volumetric flow rate under working conditions. No movable mechanical parts, therefore high reliability and low maintenance. This fully reflects the high-tech and cost-effectiveness of today's electromechanical integration products. The data processing of this instrument system adopts Microchip's MCU technology and combines it with modern microelectronics technology to develop a highly reliable and accurate industrial flow measurement and control instrument. Widely used for measuring the flow rate of steam, gas, and liquid media in closed pipelines.
二、进口法兰连接涡街流量计特点
1、高强度压电晶体,一体成形,耐冲击、兼容液体、气体、导热油以及蒸汽计量、音速喷嘴标定,重复性高,测量精度高
2、可自由选配温度补偿、压力温度,满足更多现场使用、传感器具有独特的抗振动和抗干扰的封装工艺,现场抗干扰性更强
3、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,性能十分稳定
4、压损小(约为孔板流量计的1/4~1/2),属于节能流量仪表
5、安装方式灵活,根据现场工艺管道不通,可水平,垂直和不同角度倾斜安装
6、采用消扰电路和抗震动传感头,具有一定抗环境振动性能、采用超低功耗单片微机技术,1节3V10AH锂电池可使用5年以上
7、由软件对仪表系数非线性进行修正,提高测量精度
8、具有完善的数据备份与恢复功能,现场免维护。
9、4-20mA输出、脉冲输出可根据现场需要随意切换,应用考虑更周全
10、智能一体化设计,能现场显示瞬时、累积流量以及仪表系数,仪表参数设定,内置温度压力传感器后,可对被测介质进行温压补偿
三、进口法兰连接涡街流量计性能参数
测量介质:气体、蒸汽、液体 | 公称通径:DN15-400mm | |
公称压力:1.6-5.0(其它可协议定货) | 介质温度:-40℃~320℃ | |
产品精度:1.0%、1.5%、 0.5%(协议供货) | 流速范围:液体:0.15-70 | |
输出信号:4-20mA、脉冲输出、RS485通讯 | 工作电源:24VDC±5%、锂电池3.6VDC | |
环境温度:-30℃~65℃ | 防护等级:IP65 |
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