射频电容液位变送器

射频电容液位计Radio-frequency capacitive fluid level gauge一、概述：Brief introduction FY2E系列射频电容液位计利用先进的射频电容检测技术 辅以工业级范围测量系统温度漂移补偿技术,单段物(液)相介质介电常数变化自动补偿技术制作而成,它是专为工业环境下气(汽)相介质组成相对稳定,但物(液)相介质介电常数变化较大的溶性介质液位、料位，物位测控场合设计制作。利用物（液）位变化与其对测量探极产生的电容变化之间的关系，将检测的电容变化经测量系统温度漂移补偿，物（液）相介质介电常数变化补偿后通过专用模式系统软件运算处理，输出与物位变化成正比的两线制4-20mADC的标准信号，可与任何4-20mADC输入的指示仪，记录仪，调节仪及DCS系统等仪表配接，实现显示，调节及控制。The radio-frequency capacitive fluid level gauge in FY2E series is made with the advanced radio-frequency capacitive detection technology, supplemented with the industrial-level range measuring system temperature drift compensation technology and single substance (fluid) phase medium dielectric constant change automatic compensation technology, it’s designed specifically for the circumstances where the detection and control on the fluid level, material position and substance place which their substance (fluid) phase medium composition is relative stable but with quite sharp variety with its substance (fluid) phase dielectric constant under the industrial environment. By utilizing the relationship between the changes of substance (fluid) level and the corresponding capacitive changes on the measurement probe caused by it, the product can treat the measured capacitive change with the measurement system temperature drift compensation and the substance (fluid) phase medium dielectric constant change compensation, and process them through the dedicated mode system software operation, to output the 2-line system standard signals in 4~20mA which is proportional with the substance level changes it can be adapted with any instruments such as indicator with 4~20mA input, recorder, accommodometer and DCS system etc, to realize the indication, adjustment and control accordingly. 二、产品特点 Product features 1.实用性强，按键设置，一键校准，任意两点标定,操作极其简单。It has the strong practicability with key configuration and one-key correction, calibration at any two points its operation is remarkably simple 2.采用数字软件滤波技术，不受气量和液位摆动的影响，既能快速跟踪瞬态变化，又能显示液位的平均效应，显示稳定准确。By using the digital software filter technique, it shall not be affected by the gas amount and fluid level fluctuation, can both make the fast tracking on switching transients and displaying the average effect of fluid level with stable and accurate indication 3.智能型液位仪在18-24V的电压均可正常工作，满足任何型号的安全栅。The intelligent fluid level gauge can work under the voltage from 18 -24V generally, accommodate to the guard grating in any models. 4.采用软硬件抗干扰和纠错技术，在非防爆场所亦无需隔离，直接入网，降低了电路复杂性，减少成本。By adopting the anti-interference and error correction technologies with software and hardware, it shall not need to be isolated in the non-explosion-proof site and can be directly connected, reducing the complexity of circuit and cost 5.现场液晶显示 On-screen LED display 6.本安设计：两线制本安设计，单元和探头都是本质安全的 Intrinsically safe design: with the 2-lines system intrinsically safe design, both the unit and detection probe are intrinsically safe at all. 　　免维护：无可动部件，不会造成磨损或损坏，不用定期清洗，无需重复调试 Maintenance-free: because of no movable parts, so there’s no abrasive wear or damage accordingly it do not need to wash regularly, also not need debugging repeatedly. 　　防挂料：Driven-shield电学设计使其可以忽略挂壁或传感元件挂料的影响 Anti-hanging material: The driven-shield electrical design shall enable the product ignoring the influence from wall mounted or hanged materials by sensing components 　　化学兼容性：多种探头设计，满足各种介质要求 Chemical compatibility: multiple probe designs to fulfill the requirements of various mediums. 　　无漂移：不会因为介质的温度或密度变化产生漂移 non-drift: it shall not generate the drift due to the changes in the temperature or density of medium 　　可靠寿命：独特的技术保证了仪表使用寿命长达10年 Reliable service life: the unique technology assures the 10 years longer service life of this product 　　安全防护：内置探头输入保护装置，保护能力强，不易受到静电、冲击和电化学现象的影响或损坏Safety protection: the built-in probe input protection device has the powerful ability, it would not be impacted or damaged by the static electricity, shock and electrochemical phenomena easily. 三、主要性能指标 Main performance index Measuring range: available at any distance within the range from 300 to 5000mm 测量范围：300-5000mm范围内任意选用；Working pressure 工作压力：-0.1MPa~10MPaWorking temperature: lever 工作温度：杆式：-60°C~250°C，Probe diameter ￠6-22mm further special requirements please specify before ordering 探极直径：￠6-22mm，特殊要求请订货前说明Material for probe: 探极材质：PTFEMaterial for fluid receiving: stainless steel 接湿材质：不锈钢Output signal: 4-20mA DC, 4-20mADCoverlapped with HART protocol 输出信号：4-20mA DC、4-20mADC叠加HART协议。Long term stability 长期稳定性：≤0.2%FS/年 yearAccuracy grade: 精度等级：0.5%FSMounting mode: 固定方式：1.螺纹安装 Screw thread mounting 2.法兰安装，Flange mounting 3.特殊要求请在订货前说明 For special requirements, please specify before ordering Explosion-proof symbol: 防爆标志：ExibllBT5 GbApplicable medium: any medium that not corrosive to PTFE 适用介质：对聚四氟乙烯无腐蚀的任意介质 四、产品外形 Product appearance 五、安装示意图 Installation diagram Flange integration mounting side-side mounting L1 ( depth of probe inserted part) (20mA upper limit for measuring range) H (measuring range) (20mA upper limit for measuring range) H (measuring range) (4mA) Zero level lower limit) (4mA) Zero level lower limit) L1 ( depth of probe inserted part) 六、选型表 Selection table FY2B射频电容液位计选型表Selection table for radio-frequency capacitive fluid level gauge 代码Code使用范围Range of application 1标准型≤4.0MPa，温度≤250°C）Standard type ≤4.0MPa, temperature≤250°C) 2 (耐压≤10MPa，温度≤250°C）(Pressure resistance ≤10MPa, temperature≤250°C) 代码Code输出信号Output signal A4-20mA信号输出，液晶显示4~20mA signal output, LED displayB4-20mA+485通讯，液晶显示4~20mA+485 communication, LED display C4-20mA+HART协议，液晶显示4~20mA+HART protocol, LED display 代码Code测量范围/实际量程Measuring range/ actual measurement rangeL()请在括号内填写Please fill in the bracket 代码Code 接液材质Fluid receiving materialJPTEEX不锈钢（304,316可选）Stainless steel (304, 316 selectable)代码Code连接方式Connection modeF法兰安装(需提供公称直径）Flange mounting (nominal diameter shall be provided)M螺纹安装（需提供尺寸）Screw thread mounting (dimension shall be provided)特殊要求请备注Special request please leave remark accordingly. 射频电容液位计Radio-frequency capacitive fluid level gauge 七、订货须知：Ordering instructions: 1、测量范围 Measuring range2、工作压力 Working pressure3、连接方式 Connection mode 4、测量介质 Measuring medium

RPD20系列射频开关RPD20系列射频导纳为通用点位控制仪表，仪表由一个电路单元，一套方便防爆外壳和杆式或缆式传感元件（亦称传感器或探头）组成，传感器可选多种材质，可整体或分体型安装，整体安装指将电路单元和传感器元件配置在一个防爆外壳上，分体型安装指电路单元和传感器元件分别配置在两个独立的防爆外壳上，中间用厂家特制的电缆连接。RPD40系列电容式物位开关与物料密度无关，适合应用于导电、非导电液体，固体颗粒的开关控制，可以使用在高压、真空、高温、低温、强震动及应用于强腐蚀液体等恶劣环境中，体积小巧，结构简单，动态性能好，灵敏度高，分辨率强，工作时无可动部件，工作可靠山东瑞普四方测控技术有限公司是致力于工业生产过程控制仪表和自动化系统开发、设计、销售以及工程成套的综合性 企业；其产品广泛应用于钢铁冶金、能源电力、石油化工、轻工业、机械设备制造，环保等行业。 “以质量求生存，以科技求发展”的原则，以“质量，用户至上，诚信服务，持续改进”的质量方针为导向，积极采用现代化管理模式，以顾客满意为目的。以更上等的产品，更优良的服务，奉献给广大新老客户。愿通过我们的努力得到广大客户朋友的认可。公司凭借优良的产品质量、诚信的合作和专业服务技术，赢得客户的信赖，并成为持久的合作伙伴；凭借良好的工作环境和稳定的发展，为员工的发展创造更广阔的空间。公司所售产品均提供12个月的质保期，终身跟踪服务。同时我公司提供自动化仪表系统工程的设计、成套供应及安装调试指导。承接电气自动化控制系统工程总承包，自控系统升级改造、维修保养服务，电气控制柜成套业务，节能改造及合同能源管理服务，中小型企业信息化管理系统开发及服务等。企业追求：为用户创造大价值！

CRF2系列 电容式料位变送器是两线制4-20mA输出的能够监测液体，粉体和颗粒物料的料位。采用了先进的脉冲射频导纳技术，具有很高的测量精度和稳定性能。CRF2系列测量料位高度的原理是通过测量槽罐壁和变送器探头之间的电容的变化来导出它们之间的料位。对于非金属的槽罐或这槽罐的侧壁和探头不平行的场合，必须要有接地参考点。CRF2系列料位变送器有固定杆式或挠性管缆式两种探头，用于不同的应用场合。零点和量程是直接按键校准。订购时可按需要定制探头的长度。聚全氟乙丙烯(FEP) 覆膜的探头耐腐蚀性能强。这种技术不会受到象手机，对讲机或其它无线发射装置等其它电磁信号的干扰。