射频液位变送器

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

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一、产品简介 激光与原子分子相互作用中，射频（微波）被广泛的使用于超精细能级激发、激光移频、激光锁定、AOM驱动等。这类实验除对微波位相噪声和振幅噪声有极高要求外，还要求微波有程控或触发控制通断、程控或外加信号控制调制以及PID反馈控制等功能。MOGLabs为科学家提供量身定做的敏捷型射频合成器ARF/XRF、四通道射频合成器QRF、AOM驱动器AAD，集成上述功能于一体，并集成功率输出可直接驱动AOM，满足多方面的射频源需求。二、型号参考型号ARF/XRFQRFAAD通道数目241（AADPCB）2（AAD420）最高输出功率+36dBm（421）+16dBm（021）+36dBm（241）+10dBm（041）+36dBm射频源DDS（AD9910）DDS（AD9959）内置可变振荡器或外置震荡源频率范围20 - 400MHz10 - 200MHz70 - 210MHz（内）70 - 350MHz（外）内置参考源20MHz TCXO25MHz TCXONo计算机可控制Ethernet，USBEthernet，USBNo频率控制32-bit（0.23Hz步距）32-bit（0.12Hz步距）10圈电位器振幅控制12-bit10-bit单圈电位器位相控制16-bit14-bit无TTL开关时间40ns40ns 主调制AM/FM/PM，10MHzAM/FM/PM，100kHzAM/FM，500kHz次调制AM/FM/PM，1MHzN/AAM/FM，500kHz内置PIDYesYesNo表格指令间距16ns（XRF）1μs（ARF）10μsN/A数字I/O16路高速I/O无无三、各型号特点及应用1、敏捷型射频合成器ARF/XRF特性l两路独立或同步输出l卓越的模拟调制（AM/FM/PM）带宽：10MHzl用于强度稳定或频率锁定的PID控制l高功率输出：2×4W/ 通道（421型）l宽频谱范围：20 ~ 400MHzl自动执行表格指令，用于复杂序列l16路独立数字信号输出，表格控制l射频输出功率监控及保护l可靠的开路/ 短路保护l数字信号输入控制快速（50ns）射频开/关，以及触发l极低位相噪声l外置时钟输入l三路模拟输出选件l16路数字输入输出（XSMA）l用于噪声抑制及锁频的信号调整（B3121）应用lAOM驱动l噪声抑制及激光频率锁定l金刚石NV量子操控l激光冷却，原子陷俘，光谱lBECl量子光学：压缩场l场致透明与慢光速l时频基准2、四通道射频合成器QRF特性l高功率：通过选件可达2W/ 通道l10 ~ 200MHz宽范围精密调节l每通道独立模拟调制（AM/FM/PM/PID）l表格指令运行模式：顺序产生复杂频率/功率/位相/波形lPID控制，用于强度稳定及漂移补偿l通过网口和USB的简便控制lTTL快速通断控制，40ns延时l牢靠的开路/短路保护应用lAOM驱动l噪声抑制及激光频率锁定l金刚石NV量子操控l激光冷却，原子陷俘，光谱lBECl量子光学：压缩场l场致透明与慢光速l时频基准3、AOM驱动器AAD特性l高功率：可达+36dBm / 通道l70 ~ 200MHz 频率范围l高调制带宽：500kHz（FM、AM）lRF功率输出及监控输出（-22 dBc）lTTL外触发快速通/断控制l十圈频率调节，单圈功率调节l低位相噪声高稳定性VCO如有其它需求，请联系我们。