Gas Turbine Flow Meter LWQ Series For Natural Gas/Compressed Air

产品概述
  LWQ系列气体涡轮流量计是吸取了国内外流量仪表先进技术优化设计,综合了气体力学、流体力学、电磁学等理论而自行研制的集温度、压力、流量传感器和智能流量积算仪于一体的新一代高精度、高可靠性的气体精密计量仪表,具有出色的低压和高压计量性能,多种信号输出方式以及对流体扰动低敏感性,广泛适用于天然气、煤制气、液化气、轻烃气体等气体的计量。
  该产品经国家防爆产品质检部门按GB3836.2000《爆炸性气体环境用电气设备第1部:通用要求》,GB38362.2-2000《爆炸性气体环境用电气设备第2部分:隔爆型“d”》和GB3836.4-2000《爆炸性气体环境用电气设备第4部分:本质安全“i”》标准检验合格,防爆标志为ExdⅡBT6(隔爆型)、EiaⅡCT6(本安型)。适用于含有ⅡA、ⅡB、ⅡC类T1~T6温度组别爆炸性气体混合物的0(仅本安型)1、2区危险场所。
产品特点
  • 采用新型传感器,始动流量低、压力损失小、抗振与抗脉动流性能好,不易腐蚀、可靠性好、使用寿命长;
  • 采用新型微处理器与高性能的集成芯片,运算精度高、整机功能强大,性能优越;
  • 采用先进的微功耗高新技术,整机功耗低。既能用内电池长期供电运行,又可由外电源供电运行;
  • 按流量频率信号,可将仪表系数分八段自动进行线性修正,可根据用户需要提高仪表的计算精度;
  • 采用EEPROM数据存贮技术,具备历史数据的存贮与查询功能,三种历史数据记录方式可供用户选择;
  • 流量计表头可180°旋转,安装使用简单方便;
  • 高精确度,一般可达±1.5%R、±1.0%R;
  • 重复性好,短期重复性可达0.05%~0.2%,正是由于具有良好的重复性,在贸易结算中是优先选用的流量计;
  • 可检测被检测气体的温度、压力和流量,能进行流量自动跟踪补偿,并显示标准状态下( Pn=101.325KPa,Tn=293.15K)的气体流量:可实时查询温度、压力、时间、日期等数据。



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