产品介绍
ST80 is a high performance, rugged thermal dispersion technology air\/gas flow meter that combines ultra-reliable, feature-rich electronics with the industry's most extensive selection of application-matched flow sensors, including FCI's new \"wet gas\" flow element, to provide a truly superior solution for industrial processes and plant applications. The ST80 further combines these features with a robust, rugged transmitter enclosure and industry’s broadest selection of process connections to provide longest service life and ease-of-installation in your installation’s pipe or duct.","Moist or wet gases present a measurement challenge for all gas flow meter technologies. In many applications it is condensation droplets which impact the flow meter's accuracy and repeatability, rather than entrained moisture. While best engineering practice would recommend removing the moisture from the gas using gas dryers, knock-out pots, or heat wrapping the pipe, those are not always feasible or only partially effective. Moisture, and condensation droplets, can be in the flow steam moving with the gas flow or can also be experienced in the form of rain coming down in an open, vertical stack, in which case the rain is traveling in the opposite direction of the gas flow. Common moist gas applications, and often condensation droplets are found in biogas recovery (WWTP digesters, landfill gas, biogas production systems) and reactors, while rain droplets found in open vertical stacks and flues are common in power plants, oil and gas operations, chemical plants and refineries. For many years, FCI's constant power technology has been the proven and preferred thermal mass flow meter solution for gas flow measurement in moist gases. Now, FCI's new, innovative \"wet gas\" sensor delivers accurate, repeatable gas flow measurement in the presence of even more moisture and condensation droplets. Available with the Model ST80, this new \"WG\" sensor can be applied for use in entrained moisture and rain-shielding applications. The ST80 Series transmitter’s outputs are a match to your DCS, PLC, SCADA, recorder, or alarm system. Whether your output needs are traditional 4-20 mA analog or advanced digital bus communications such as HART, Foundation Fieldbus, PROFIBUS PA, PROFIBUS DP, or Modbus, ST80 has you covered. Then for local display, the ST80’s graphical, backlit LCD is unmatched in showing what’s happening in the pipe. Flow rate, totalized flow, and temperature are continuously displayed in both a digital and bar graph presentation, while alarms and\/or diagnostic messages will display as needed to alert operators. Features
特性
- 直接质量流量测量
- 流量、总流量、温度
- 无运动部件,几乎无需维护
- Process temperatures up to 850°F [454°C]
- 模拟输出和总线通信
- 危险防爆装置的全球机构批准
- 银1兼容
- 图形多变量液晶显示读出
- 三点现场校准漂移检查
- 专用湿气/防雨罩传感器选件
- 整体式或远程安装
- 铝或不锈钢外壳
- 全球机构批准的危险ex装置
- 整体或远程安装
ST80L 质量流量计和控制器技术参数
规格项 | 参数值 | 勾选搜索替代 |
特 性 | ||
工作压力 | 0.0 to 1000 psi (0.0 to 704 m H2O) | |
介质温度 | ? to 850 F (? to 454 C) | |
介质类型 | Gas | |
特征 | Built-in Alarm Indicator; Programmable; Recorder / Totalizer Functions | |
电 气 | ||
电气输出 | Analog Current | |
环 境 | ||
工作温度 | -40 to 150 F (-40 to 66 C) | |
物 理 | ||
管道直径 | 1.00 to 2.00 inch (25.4 to 50.8 mm) | |
安装 | In-line | |
更多技术信息 | ||
仪表形式 | Mass Flow Meter | |
更多规格 | ||
测量技术 | Thermal | |
显示 | Digital | |
前面板接口 | Digital Front Panel | |
测量的附加变量 | Temperature | |
产品类别 | Mass Flow Meters and Controllers | |
审核认证 | ATEX; FM, FMc, IEC, ATEX |
产品替代
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